Merge pull request #1 from discord-net/dev

01

azure-pipelines.yml

@@ -14,25 +14,20 @@ trigger:
 jobs:
 - job: Linux
   pool:
-    vmImage: 'ubuntu-16.04'
+    vmImage: 'ubuntu-latest'
   steps:
-  - task: UseDotNet@2
-    displayName: 'Use .NET Core sdk'
-    inputs:
-      packageType: 'sdk'
-      version: '3.x'
   - template: azure/build.yml
 
 - job: Windows_build
   pool:
-    vmImage: 'windows-2019'
+    vmImage: 'windows-latest'
   condition: ne(variables['Build.SourceBranch'], 'refs/heads/dev')
   steps:
   - template: azure/build.yml
 
 - job: Windows_deploy
   pool:
-    vmImage: 'windows-2019'
+    vmImage: 'windows-latest'
   condition: |
       and (
         succeeded(),

azure/build.yml

@@ -1,5 +1,10 @@
 steps:
-- script: dotnet restore -v minimal Discord.Net.sln
+- task: DotNetCoreCLI@2
+  inputs:
+     command: 'restore'
+     projects: 'Discord.Net.sln'
+     feedsToUse: 'select'
+     verbosityRestore: 'Minimal'
   displayName: Restore packages
 
 - script: dotnet build "Discord.Net.sln" --no-restore -v minimal -c $(buildConfiguration) /p:BuildNumber=$(buildNumber) /p:IsTagBuild=$(buildTag)

samples/01_basic_ping_bot/01_basic_ping_bot.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>

samples/02_commands_framework/02_commands_framework.csproj

@@ -2,11 +2,11 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="3.0.0" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="3.1.0" />
   </ItemGroup>
 
   <ItemGroup>

samples/03_sharded_client/03_sharded_client.csproj

@@ -2,12 +2,12 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
     <RootNamespace>_03_sharded_client</RootNamespace>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="3.0.0" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="3.1.0" />
   </ItemGroup>
 
   <ItemGroup>

src/Discord.Net.Commands/Builders/ModuleClassBuilder.cs

@@ -135,7 +135,8 @@ namespace Discord.Commands
             if (builder.Name == null)
                 builder.Name = typeInfo.Name;
 
-            var validCommands = typeInfo.DeclaredMethods.Where(IsValidCommandDefinition);
+            // Get all methods (including from inherited members), that are valid commands
+            var validCommands = typeInfo.GetMethods().Where(IsValidCommandDefinition);
 
             foreach (var method in validCommands)
             {

src/Discord.Net.Core/Entities/Channels/IMessageChannel.cs

@@ -59,11 +59,15 @@ namespace Discord
         /// <param name="embed">The <see cref="Discord.EmbedType.Rich" /> <see cref="Embed" /> to be sent.</param>
         /// <param name="options">The options to be used when sending the request.</param>
         /// <param name="isSpoiler">Whether the message attachment should be hidden as a spoiler.</param>
+        /// <param name="allowedMentions">
+        ///     Specifies if notifications are sent for mentioned users and roles in the message <paramref name="text"/>.
+        ///     If <c>null</c>, all mentioned roles and users will be notified.
+        /// </param>
         /// <returns>
         ///     A task that represents an asynchronous send operation for delivering the message. The task result
         ///     contains the sent message.
         /// </returns>
-        Task<IUserMessage> SendFileAsync(string filePath, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false);
+        Task<IUserMessage> SendFileAsync(string filePath, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null);
         /// <summary>
         ///     Sends a file to this message channel with an optional caption.
         /// </summary>
@@ -88,11 +92,15 @@ namespace Discord
         /// <param name="embed">The <see cref="Discord.EmbedType.Rich"/> <see cref="Embed"/> to be sent.</param>
         /// <param name="options">The options to be used when sending the request.</param>
         /// <param name="isSpoiler">Whether the message attachment should be hidden as a spoiler.</param>
+        /// <param name="allowedMentions">
+        ///     Specifies if notifications are sent for mentioned users and roles in the message <paramref name="text"/>.
+        ///     If <c>null</c>, all mentioned roles and users will be notified.
+        /// </param>
         /// <returns>
         ///     A task that represents an asynchronous send operation for delivering the message. The task result
         ///     contains the sent message.
         /// </returns>
-        Task<IUserMessage> SendFileAsync(Stream stream, string filename, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false);
+        Task<IUserMessage> SendFileAsync(Stream stream, string filename, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null);
 
         /// <summary>
         ///     Gets a message from this message channel.

src/Discord.Net.Core/Entities/Guilds/IGuild.cs

@@ -683,6 +683,9 @@ namespace Discord
         /// <summary>
         ///     Downloads all users for this guild if the current list is incomplete.
         /// </summary>
+        /// <remarks>
+        ///     This method downloads all users found within this guild throught the Gateway and caches them.
+        /// </remarks>
         /// <returns>
         ///     A task that represents the asynchronous download operation.
         /// </returns>
@@ -707,6 +710,22 @@ namespace Discord
         ///     be or has been removed from this guild.
         /// </returns>
         Task<int> PruneUsersAsync(int days = 30, bool simulate = false, RequestOptions options = null);
+        /// <summary>
+        ///     Gets a collection of users in this guild that the name or nickname starts with the
+        ///     provided <see cref="string"/> at <paramref name="query"/>.
+        /// </summary>
+        /// <remarks>
+        ///     The <paramref name="limit"/> can not be higher than <see cref="DiscordConfig.MaxUsersPerBatch"/>.
+        /// </remarks>
+        /// <param name="query">The partial name or nickname to search.</param>
+        /// <param name="limit">The maximum number of users to be gotten.</param>
+        /// <param name="mode">The <see cref="CacheMode" /> that determines whether the object should be fetched from cache.</param>
+        /// <param name="options">The options to be used when sending the request.</param>
+        /// <returns>
+        ///     A task that represents the asynchronous get operation. The task result contains a collection of guild
+        ///     users that the name or nickname starts with the provided <see cref="string"/> at <paramref name="query"/>.
+        /// </returns>
+        Task<IReadOnlyCollection<IGuildUser>> SearchUsersAsync(string query, int limit = DiscordConfig.MaxUsersPerBatch, CacheMode mode = CacheMode.AllowDownload, RequestOptions options = null);
 
         /// <summary>
         ///     Gets the specified number of audit log entries for this guild.

src/Discord.Net.Core/Entities/Messages/AllowedMentionTypes.cs

@@ -8,17 +8,27 @@ namespace Discord
     [Flags]
     public enum AllowedMentionTypes
     {
+        /// <summary>
+        ///     No flag is set.
+        /// </summary>
+        /// <remarks>
+        ///     This flag is not used to control mentions.
+        ///     <note type="warning">
+        ///         It will always be present and does not mean mentions will not be allowed.
+        ///     </note>
+        /// </remarks>
+        None        = 0,
         /// <summary>
         ///     Controls role mentions.
         /// </summary>
-        Roles,
+        Roles       = 1,
         /// <summary>
         ///     Controls user mentions.
         /// </summary>
-        Users,
+        Users       = 2,
         /// <summary>
         ///     Controls <code>@everyone</code> and <code>@here</code> mentions.
         /// </summary>
-        Everyone,
+        Everyone    = 4,
     }
 }

src/Discord.Net.Core/Entities/Messages/AllowedMentions.cs

@@ -39,7 +39,7 @@ namespace Discord
         ///     flag of the <see cref="AllowedTypes"/> property. If the flag is set, the value of this property
         ///     must be <c>null</c> or empty.
         /// </summary>
-        public List<ulong> RoleIds { get; set; }
+        public List<ulong> RoleIds { get; set; } = new List<ulong>();
 
         /// <summary>
         ///     Gets or sets the list of all user ids that will be mentioned.
@@ -47,7 +47,7 @@ namespace Discord
         ///     flag of the <see cref="AllowedTypes"/> property. If the flag is set, the value of this property
         ///     must be <c>null</c> or empty.
         /// </summary>
-        public List<ulong> UserIds { get; set; }
+        public List<ulong> UserIds { get; set; } = new List<ulong>();
 
         /// <summary>
         ///     Initializes a new instance of the <see cref="AllowedMentions"/> class.

src/Discord.Net.Core/Entities/Messages/IMessage.cs

@@ -215,6 +215,15 @@ namespace Discord
         ///     A task that represents the asynchronous removal operation.
         /// </returns>
         Task RemoveAllReactionsAsync(RequestOptions options = null);
+        /// <summary>
+        ///     Removes all reactions with a specific emoji from this message.
+        /// </summary>
+        /// <param name="emote">The emoji used to react to this message.</param>
+        /// <param name="options">The options to be used when sending the request.</param>
+        /// <returns>
+        ///     A task that represents the asynchronous removal operation.
+        /// </returns>
+        Task RemoveAllReactionsForEmoteAsync(IEmote emote, RequestOptions options = null);
 
         /// <summary>
         ///     Gets all users that reacted to a message with a given emote.

src/Discord.Net.Core/Entities/Messages/IUserMessage.cs

@@ -57,6 +57,21 @@ namespace Discord
         /// </returns>
         Task UnpinAsync(RequestOptions options = null);
 
+        /// <summary>
+        ///     Publishes (crossposts) this message.
+        /// </summary>
+        /// <param name="options">The options to be used when sending the request.</param>
+        /// <returns>
+        ///     A task that represents the asynchronous operation for publishing this message.
+        /// </returns>
+        /// <remarks>
+        ///     <note type="warning">
+        ///         This call will throw an <see cref="InvalidOperationException"/> if attempted in a non-news channel.
+        ///     </note>
+        ///     This method will publish (crosspost) the message. Please note, publishing (crossposting), is only available in news channels.
+        /// </remarks>
+        Task CrosspostAsync(RequestOptions options = null);
+
         /// <summary>
         ///     Transforms this message's text into a human-readable form by resolving its tags.
         /// </summary>

src/Discord.Net.Core/Entities/Users/IGuildUser.cs

@@ -73,7 +73,7 @@ namespace Discord
         /// </summary>
         /// <example>
         ///     <para>The following example checks if the current user has the ability to send a message with attachment in
-        ///     this channel; if so, uploads a file via <see cref="IMessageChannel.SendFileAsync(string, string, bool, Embed, RequestOptions, bool)"/>.</para>
+        ///     this channel; if so, uploads a file via <see cref="IMessageChannel.SendFileAsync(string, string, bool, Embed, RequestOptions, bool, AllowedMentions)"/>.</para>
         ///     <code language="cs">
         ///     if (currentUser?.GetPermissions(targetChannel)?.AttachFiles)
         ///         await targetChannel.SendFileAsync("fortnite.png");

src/Discord.Net.Core/GatewayIntents.cs

@@ -0,0 +1,43 @@
+using System;
+
+namespace Discord
+{
+    [Flags]
+    public enum GatewayIntents
+    {
+        /// <summary> This intent includes no events </summary>
+        None = 0,
+        /// <summary> This intent includes GUILD_CREATE, GUILD_UPDATE, GUILD_DELETE, GUILD_ROLE_CREATE, GUILD_ROLE_UPDATE, GUILD_ROLE_DELETE, CHANNEL_CREATE, CHANNEL_UPDATE, CHANNEL_DELETE, CHANNEL_PINS_UPDATE </summary>
+        Guilds = 1 << 0,
+        /// <summary> This intent includes GUILD_MEMBER_ADD, GUILD_MEMBER_UPDATE, GUILD_MEMBER_REMOVE </summary>
+        /// <remarks> This is a privileged intent and must be enabled in the Developer Portal. </remarks>
+        GuildMembers = 1 << 1,
+        /// <summary> This intent includes GUILD_BAN_ADD, GUILD_BAN_REMOVE </summary>
+        GuildBans = 1 << 2,
+        /// <summary> This intent includes GUILD_EMOJIS_UPDATE </summary>
+        GuildEmojis = 1 << 3,
+        /// <summary> This intent includes GUILD_INTEGRATIONS_UPDATE </summary>
+        GuildIntegrations = 1 << 4,
+        /// <summary> This intent includes WEBHOOKS_UPDATE </summary>
+        GuildWebhooks = 1 << 5,
+        /// <summary> This intent includes INVITE_CREATE, INVITE_DELETE </summary>
+        GuildInvites = 1 << 6,
+        /// <summary> This intent includes VOICE_STATE_UPDATE </summary>
+        GuildVoiceStates = 1 << 7,
+        /// <summary> This intent includes PRESENCE_UPDATE </summary>
+        /// <remarks> This is a privileged intent and must be enabled in the Developer Portal. </remarks>
+        GuildPresences = 1 << 8,
+        /// <summary> This intent includes MESSAGE_CREATE, MESSAGE_UPDATE, MESSAGE_DELETE, MESSAGE_DELETE_BULK </summary>
+        GuildMessages = 1 << 9,
+        /// <summary> This intent includes MESSAGE_REACTION_ADD, MESSAGE_REACTION_REMOVE, MESSAGE_REACTION_REMOVE_ALL, MESSAGE_REACTION_REMOVE_EMOJI </summary>
+        GuildMessageReactions = 1 << 10,
+        /// <summary> This intent includes TYPING_START </summary>
+        GuildMessageTyping = 1 << 11,
+        /// <summary> This intent includes CHANNEL_CREATE, MESSAGE_CREATE, MESSAGE_UPDATE, MESSAGE_DELETE, CHANNEL_PINS_UPDATE </summary>
+        DirectMessages = 1 << 12,
+        /// <summary> This intent includes MESSAGE_REACTION_ADD, MESSAGE_REACTION_REMOVE, MESSAGE_REACTION_REMOVE_ALL, MESSAGE_REACTION_REMOVE_EMOJI </summary>
+        DirectMessageReactions = 1 << 13,
+        /// <summary> This intent includes TYPING_START </summary>
+        DirectMessageTyping = 1 << 14,
+    }
+}

src/Discord.Net.Core/Utils/Comparers.cs

@@ -41,16 +41,13 @@ namespace Discord
         {
             public override bool Equals(TEntity x, TEntity y)
             {
-                bool xNull = x == null;
-                bool yNull = y == null;
-
-                if (xNull && yNull)
-                    return true;
-
-                if (xNull ^ yNull)
-                    return false;
-
-                return x.Id.Equals(y.Id);
+                return (x, y) switch
+                {
+                    (null, null) => true,
+                    (null, _)    => false,
+                    (_, null)    => false,
+                    var (l, r)   => l.Id.Equals(r.Id)
+                };
             }
 
             public override int GetHashCode(TEntity obj)

src/Discord.Net.Rest/API/Rest/SearchGuildMembersParams.cs

@@ -0,0 +1,9 @@
+#pragma warning disable CS1591
+namespace Discord.API.Rest
+{
+    internal class SearchGuildMembersParams
+    {
+        public string Query { get; set; }
+        public Optional<int> Limit { get; set; }
+    }
+}

src/Discord.Net.Rest/API/Rest/UploadFileParams.cs

@@ -19,6 +19,7 @@ namespace Discord.API.Rest
         public Optional<string> Nonce { get; set; }
         public Optional<bool> IsTTS { get; set; }
         public Optional<Embed> Embed { get; set; }
+        public Optional<AllowedMentions> AllowedMentions { get; set; }
         public bool IsSpoiler { get; set; } = false;
 
         public UploadFileParams(Stream file)
@@ -43,6 +44,8 @@ namespace Discord.API.Rest
                 payload["nonce"] = Nonce.Value;
             if (Embed.IsSpecified)
                 payload["embed"] = Embed.Value;
+            if (AllowedMentions.IsSpecified)
+                payload["allowed_mentions"] = AllowedMentions.Value;
             if (IsSpoiler)
                 payload["hasSpoiler"] = IsSpoiler.ToString();
 

src/Discord.Net.Rest/DiscordRestApiClient.cs

@@ -660,6 +660,18 @@ namespace Discord.API
 
             await SendAsync("DELETE", () => $"channels/{channelId}/messages/{messageId}/reactions", ids, options: options).ConfigureAwait(false);
         }
+        public async Task RemoveAllReactionsForEmoteAsync(ulong channelId, ulong messageId, string emoji, RequestOptions options = null)
+        {
+            Preconditions.NotEqual(channelId, 0, nameof(channelId));
+            Preconditions.NotEqual(messageId, 0, nameof(messageId));
+            Preconditions.NotNullOrWhitespace(emoji, nameof(emoji));
+
+            options = RequestOptions.CreateOrClone(options);
+
+            var ids = new BucketIds(channelId: channelId);
+
+            await SendAsync("DELETE", () => $"channels/{channelId}/messages/{messageId}/reactions/{emoji}", ids, options: options).ConfigureAwait(false);
+        }
         public async Task<IReadOnlyCollection<User>> GetReactionUsersAsync(ulong channelId, ulong messageId, string emoji, GetReactionUsersParams args, RequestOptions options = null)
         {
             Preconditions.NotEqual(channelId, 0, nameof(channelId));
@@ -695,6 +707,15 @@ namespace Discord.API
             var ids = new BucketIds(channelId: channelId);
             await SendAsync("POST", () => $"channels/{channelId}/typing", ids, options: options).ConfigureAwait(false);
         }
+        public async Task CrosspostAsync(ulong channelId, ulong messageId, RequestOptions options = null)
+        {
+            Preconditions.NotEqual(channelId, 0, nameof(channelId));
+            Preconditions.NotEqual(messageId, 0, nameof(messageId));
+            options = RequestOptions.CreateOrClone(options);
+
+            var ids = new BucketIds(channelId: channelId);
+            await SendAsync("POST", () => $"channels/{channelId}/messages/{messageId}/crosspost", ids, options: options).ConfigureAwait(false);
+        }
 
         //Channel Permissions
         public async Task ModifyChannelPermissionsAsync(ulong channelId, ulong targetId, ModifyChannelPermissionsParams args, RequestOptions options = null)
@@ -1127,6 +1148,22 @@ namespace Discord.API
                 await SendJsonAsync("PATCH", () => $"guilds/{guildId}/members/{userId}", args, ids, options: options).ConfigureAwait(false);
             }
         }
+        public async Task<IReadOnlyCollection<GuildMember>> SearchGuildMembersAsync(ulong guildId, SearchGuildMembersParams args, RequestOptions options = null)
+        {
+            Preconditions.NotEqual(guildId, 0, nameof(guildId));
+            Preconditions.NotNull(args, nameof(args));
+            Preconditions.GreaterThan(args.Limit, 0, nameof(args.Limit));
+            Preconditions.AtMost(args.Limit, DiscordConfig.MaxUsersPerBatch, nameof(args.Limit));
+            Preconditions.NotNullOrEmpty(args.Query, nameof(args.Query));
+            options = RequestOptions.CreateOrClone(options);
+
+            int limit = args.Limit.GetValueOrDefault(DiscordConfig.MaxUsersPerBatch);
+            string query = args.Query;
+
+            var ids = new BucketIds(guildId: guildId);
+            Expression<Func<string>> endpoint = () => $"guilds/{guildId}/members/search?limit={limit}&query={query}";
+            return await SendAsync<IReadOnlyCollection<GuildMember>>("GET", endpoint, ids, options: options).ConfigureAwait(false);
+        }
 
         //Guild Roles
         public async Task<IReadOnlyCollection<Role>> GetGuildRolesAsync(ulong guildId, RequestOptions options = null)
@@ -1137,13 +1174,13 @@ namespace Discord.API
             var ids = new BucketIds(guildId: guildId);
             return await SendAsync<IReadOnlyCollection<Role>>("GET", () => $"guilds/{guildId}/roles", ids, options: options).ConfigureAwait(false);
         }
-        public async Task<Role> CreateGuildRoleAsync(ulong guildId, RequestOptions options = null)
+        public async Task<Role> CreateGuildRoleAsync(ulong guildId, Rest.ModifyGuildRoleParams args, RequestOptions options = null)
         {
             Preconditions.NotEqual(guildId, 0, nameof(guildId));
             options = RequestOptions.CreateOrClone(options);
 
             var ids = new BucketIds(guildId: guildId);
-            return await SendAsync<Role>("POST", () => $"guilds/{guildId}/roles", ids, options: options).ConfigureAwait(false);
+            return await SendJsonAsync<Role>("POST", () => $"guilds/{guildId}/roles", args, ids, options: options).ConfigureAwait(false);
         }
         public async Task DeleteGuildRoleAsync(ulong guildId, ulong roleId, RequestOptions options = null)
         {

src/Discord.Net.Rest/Entities/Channels/ChannelHelper.cs

@@ -109,12 +109,19 @@ namespace Discord.Rest
         public static IAsyncEnumerable<IReadOnlyCollection<RestMessage>> GetMessagesAsync(IMessageChannel channel, BaseDiscordClient client,
             ulong? fromMessageId, Direction dir, int limit, RequestOptions options)
         {
-            if (dir == Direction.Around)
-                throw new NotImplementedException(); //TODO: Impl
-
             var guildId = (channel as IGuildChannel)?.GuildId;
             var guild = guildId != null ? (client as IDiscordClient).GetGuildAsync(guildId.Value, CacheMode.CacheOnly).Result : null;
 
+            if (dir == Direction.Around && limit > DiscordConfig.MaxMessagesPerBatch)
+            {
+                int around = limit / 2;
+                if (fromMessageId.HasValue)
+                    return GetMessagesAsync(channel, client, fromMessageId.Value + 1, Direction.Before, around + 1, options) //Need to include the message itself
+                        .Concat(GetMessagesAsync(channel, client, fromMessageId, Direction.After, around, options));
+                else //Shouldn't happen since there's no public overload for ulong? and Direction
+                    return GetMessagesAsync(channel, client, null, Direction.Before, around + 1, options);
+            }
+
             return new PagedAsyncEnumerable<RestMessage>(
                 DiscordConfig.MaxMessagesPerBatch,
                 async (info, ct) =>
@@ -218,18 +225,37 @@ namespace Discord.Rest
         /// <exception cref="IOException">An I/O error occurred while opening the file.</exception>
         /// <exception cref="ArgumentOutOfRangeException">Message content is too long, length must be less or equal to <see cref="DiscordConfig.MaxMessageSize"/>.</exception>
         public static async Task<RestUserMessage> SendFileAsync(IMessageChannel channel, BaseDiscordClient client,
-            string filePath, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler)
+            string filePath, string text, bool isTTS, Embed embed, AllowedMentions allowedMentions, RequestOptions options, bool isSpoiler)
         {
             string filename = Path.GetFileName(filePath);
             using (var file = File.OpenRead(filePath))
-                return await SendFileAsync(channel, client, file, filename, text, isTTS, embed, options, isSpoiler).ConfigureAwait(false);
+                return await SendFileAsync(channel, client, file, filename, text, isTTS, embed, allowedMentions, options, isSpoiler).ConfigureAwait(false);
         }
 
         /// <exception cref="ArgumentOutOfRangeException">Message content is too long, length must be less or equal to <see cref="DiscordConfig.MaxMessageSize"/>.</exception>
         public static async Task<RestUserMessage> SendFileAsync(IMessageChannel channel, BaseDiscordClient client,
-            Stream stream, string filename, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler)
+            Stream stream, string filename, string text, bool isTTS, Embed embed, AllowedMentions allowedMentions, RequestOptions options, bool isSpoiler)
         {
-            var args = new UploadFileParams(stream) { Filename = filename, Content = text, IsTTS = isTTS, Embed = embed != null ? embed.ToModel() : Optional<API.Embed>.Unspecified, IsSpoiler = isSpoiler };
+            Preconditions.AtMost(allowedMentions?.RoleIds?.Count ?? 0, 100, nameof(allowedMentions.RoleIds), "A max of 100 role Ids are allowed.");
+            Preconditions.AtMost(allowedMentions?.UserIds?.Count ?? 0, 100, nameof(allowedMentions.UserIds), "A max of 100 user Ids are allowed.");
+
+            // check that user flag and user Id list are exclusive, same with role flag and role Id list
+            if (allowedMentions != null && allowedMentions.AllowedTypes.HasValue)
+            {
+                if (allowedMentions.AllowedTypes.Value.HasFlag(AllowedMentionTypes.Users) &&
+                    allowedMentions.UserIds != null && allowedMentions.UserIds.Count > 0)
+                {
+                    throw new ArgumentException("The Users flag is mutually exclusive with the list of User Ids.", nameof(allowedMentions));
+                }
+
+                if (allowedMentions.AllowedTypes.Value.HasFlag(AllowedMentionTypes.Roles) &&
+                    allowedMentions.RoleIds != null && allowedMentions.RoleIds.Count > 0)
+                {
+                    throw new ArgumentException("The Roles flag is mutually exclusive with the list of Role Ids.", nameof(allowedMentions));
+                }
+            }
+
+            var args = new UploadFileParams(stream) { Filename = filename, Content = text, IsTTS = isTTS, Embed = embed?.ToModel() ?? Optional<API.Embed>.Unspecified, AllowedMentions = allowedMentions?.ToModel() ?? Optional<API.AllowedMentions>.Unspecified, IsSpoiler = isSpoiler };
             var model = await client.ApiClient.UploadFileAsync(channel.Id, args, options).ConfigureAwait(false);
             return RestUserMessage.Create(client, channel, client.CurrentUser, model);
         }

src/Discord.Net.Rest/Entities/Channels/IRestMessageChannel.cs

@@ -34,7 +34,7 @@ namespace Discord.Rest
         /// </summary>
         /// <remarks>
         ///     This method follows the same behavior as described in 
-        ///     <see cref="IMessageChannel.SendFileAsync(string, string, bool, Embed, RequestOptions, bool)"/>. Please visit
+        ///     <see cref="IMessageChannel.SendFileAsync(string, string, bool, Embed, RequestOptions, bool, AllowedMentions)"/>. Please visit
         ///     its documentation for more details on this method.
         /// </remarks>
         /// <param name="filePath">The file path of the file.</param>
@@ -42,16 +42,21 @@ namespace Discord.Rest
         /// <param name="isTTS">Whether the message should be read aloud by Discord or not.</param>
         /// <param name="embed">The <see cref="Discord.EmbedType.Rich" /> <see cref="Embed" /> to be sent.</param>
         /// <param name="options">The options to be used when sending the request.</param>
+        /// <param name="isSpoiler">Whether the message attachment should be hidden as a spoiler.</param>
+        /// <param name="allowedMentions">
+        ///     Specifies if notifications are sent for mentioned users and roles in the message <paramref name="text"/>.
+        ///     If <c>null</c>, all mentioned roles and users will be notified.
+        /// </param>
         /// <returns>
         ///     A task that represents an asynchronous send operation for delivering the message. The task result
         ///     contains the sent message.
         /// </returns>
-        new Task<RestUserMessage> SendFileAsync(string filePath, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false);
+        new Task<RestUserMessage> SendFileAsync(string filePath, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null);
         /// <summary>
         ///     Sends a file to this message channel with an optional caption.
         /// </summary>
         /// <remarks>
-        ///     This method follows the same behavior as described in <see cref="IMessageChannel.SendFileAsync(Stream, string, string, bool, Embed, RequestOptions, bool)"/>.
+        ///     This method follows the same behavior as described in <see cref="IMessageChannel.SendFileAsync(Stream, string, string, bool, Embed, RequestOptions, bool, AllowedMentions)"/>.
         ///     Please visit its documentation for more details on this method.
         /// </remarks>
         /// <param name="stream">The <see cref="Stream" /> of the file to be sent.</param>
@@ -60,11 +65,16 @@ namespace Discord.Rest
         /// <param name="isTTS">Whether the message should be read aloud by Discord or not.</param>
         /// <param name="embed">The <see cref="Discord.EmbedType.Rich"/> <see cref="Embed"/> to be sent.</param>
         /// <param name="options">The options to be used when sending the request.</param>
+        /// <param name="isSpoiler">Whether the message attachment should be hidden as a spoiler.</param>
+        /// <param name="allowedMentions">
+        ///     Specifies if notifications are sent for mentioned users and roles in the message <paramref name="text"/>.
+        ///     If <c>null</c>, all mentioned roles and users will be notified.
+        /// </param>
         /// <returns>
         ///     A task that represents an asynchronous send operation for delivering the message. The task result
         ///     contains the sent message.
         /// </returns>
-        new Task<RestUserMessage> SendFileAsync(Stream stream, string filename, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false);
+        new Task<RestUserMessage> SendFileAsync(Stream stream, string filename, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null);
 
         /// <summary>
         ///     Gets a message from this message channel.

src/Discord.Net.Rest/Entities/Channels/RestDMChannel.cs

@@ -121,12 +121,12 @@ namespace Discord.Rest
         /// <exception cref="NotSupportedException"><paramref name="filePath" /> is in an invalid format.</exception>
         /// <exception cref="IOException">An I/O error occurred while opening the file.</exception>
         /// <exception cref="ArgumentOutOfRangeException">Message content is too long, length must be less or equal to <see cref="DiscordConfig.MaxMessageSize"/>.</exception>
-        public Task<RestUserMessage> SendFileAsync(string filePath, string text, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false)
-            => ChannelHelper.SendFileAsync(this, Discord, filePath, text, isTTS, embed, options, isSpoiler);
+        public Task<RestUserMessage> SendFileAsync(string filePath, string text, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null)
+            => ChannelHelper.SendFileAsync(this, Discord, filePath, text, isTTS, embed, allowedMentions, options, isSpoiler);
         /// <inheritdoc />
         /// <exception cref="ArgumentOutOfRangeException">Message content is too long, length must be less or equal to <see cref="DiscordConfig.MaxMessageSize"/>.</exception>
-        public Task<RestUserMessage> SendFileAsync(Stream stream, string filename, string text, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false)
-            => ChannelHelper.SendFileAsync(this, Discord, stream, filename, text, isTTS, embed, options, isSpoiler);
+        public Task<RestUserMessage> SendFileAsync(Stream stream, string filename, string text, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null)
+            => ChannelHelper.SendFileAsync(this, Discord, stream, filename, text, isTTS, embed, allowedMentions, options, isSpoiler);
 
         /// <inheritdoc />
         public Task DeleteMessageAsync(ulong messageId, RequestOptions options = null)
@@ -200,11 +200,11 @@ namespace Discord.Rest
         async Task<IReadOnlyCollection<IMessage>> IMessageChannel.GetPinnedMessagesAsync(RequestOptions options)
             => await GetPinnedMessagesAsync(options).ConfigureAwait(false);
         /// <inheritdoc />
-        async Task<IUserMessage> IMessageChannel.SendFileAsync(string filePath, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler)
-            => await SendFileAsync(filePath, text, isTTS, embed, options, isSpoiler).ConfigureAwait(false);
+        async Task<IUserMessage> IMessageChannel.SendFileAsync(string filePath, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler, AllowedMentions allowedMentions)
+            => await SendFileAsync(filePath, text, isTTS, embed, options, isSpoiler, allowedMentions).ConfigureAwait(false);
         /// <inheritdoc />
-        async Task<IUserMessage> IMessageChannel.SendFileAsync(Stream stream, string filename, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler)
-            => await SendFileAsync(stream, filename, text, isTTS, embed, options, isSpoiler).ConfigureAwait(false);
+        async Task<IUserMessage> IMessageChannel.SendFileAsync(Stream stream, string filename, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler, AllowedMentions allowedMentions)
+            => await SendFileAsync(stream, filename, text, isTTS, embed, options, isSpoiler, allowedMentions).ConfigureAwait(false);
         /// <inheritdoc />
         async Task<IUserMessage> IMessageChannel.SendMessageAsync(string text, bool isTTS, Embed embed, RequestOptions options, AllowedMentions allowedMentions)
             => await SendMessageAsync(text, isTTS, embed, options, allowedMentions).ConfigureAwait(false);

src/Discord.Net.Rest/Entities/Channels/RestGroupChannel.cs

@@ -123,12 +123,12 @@ namespace Discord.Rest
         /// <exception cref="NotSupportedException"><paramref name="filePath" /> is in an invalid format.</exception>
         /// <exception cref="IOException">An I/O error occurred while opening the file.</exception>
         /// <exception cref="ArgumentOutOfRangeException">Message content is too long, length must be less or equal to <see cref="DiscordConfig.MaxMessageSize"/>.</exception>
-        public Task<RestUserMessage> SendFileAsync(string filePath, string text, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false)
-            => ChannelHelper.SendFileAsync(this, Discord, filePath, text, isTTS, embed, options, isSpoiler);
+        public Task<RestUserMessage> SendFileAsync(string filePath, string text, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null)
+            => ChannelHelper.SendFileAsync(this, Discord, filePath, text, isTTS, embed, allowedMentions, options, isSpoiler);
         /// <inheritdoc />
         /// <exception cref="ArgumentOutOfRangeException">Message content is too long, length must be less or equal to <see cref="DiscordConfig.MaxMessageSize"/>.</exception>
-        public Task<RestUserMessage> SendFileAsync(Stream stream, string filename, string text, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false)
-            => ChannelHelper.SendFileAsync(this, Discord, stream, filename, text, isTTS, embed, options, isSpoiler);
+        public Task<RestUserMessage> SendFileAsync(Stream stream, string filename, string text, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null)
+            => ChannelHelper.SendFileAsync(this, Discord, stream, filename, text, isTTS, embed, allowedMentions, options, isSpoiler);
 
         /// <inheritdoc />
         public Task TriggerTypingAsync(RequestOptions options = null)
@@ -178,11 +178,11 @@ namespace Discord.Rest
         async Task<IReadOnlyCollection<IMessage>> IMessageChannel.GetPinnedMessagesAsync(RequestOptions options)
             => await GetPinnedMessagesAsync(options).ConfigureAwait(false);
 
-        async Task<IUserMessage> IMessageChannel.SendFileAsync(string filePath, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler)
-            => await SendFileAsync(filePath, text, isTTS, embed, options, isSpoiler).ConfigureAwait(false);
+        async Task<IUserMessage> IMessageChannel.SendFileAsync(string filePath, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler, AllowedMentions allowedMentions)
+            => await SendFileAsync(filePath, text, isTTS, embed, options, isSpoiler, allowedMentions).ConfigureAwait(false);
 
-        async Task<IUserMessage> IMessageChannel.SendFileAsync(Stream stream, string filename, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler)
-            => await SendFileAsync(stream, filename, text, isTTS, embed, options, isSpoiler).ConfigureAwait(false);
+        async Task<IUserMessage> IMessageChannel.SendFileAsync(Stream stream, string filename, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler, AllowedMentions allowedMentions)
+            => await SendFileAsync(stream, filename, text, isTTS, embed, options, isSpoiler, allowedMentions).ConfigureAwait(false);
 
         async Task<IUserMessage> IMessageChannel.SendMessageAsync(string text, bool isTTS, Embed embed, RequestOptions options, AllowedMentions allowedMentions)
             => await SendMessageAsync(text, isTTS, embed, options, allowedMentions).ConfigureAwait(false);

src/Discord.Net.Rest/Entities/Channels/RestTextChannel.cs

@@ -129,13 +129,13 @@ namespace Discord.Rest
         /// <exception cref="NotSupportedException"><paramref name="filePath" /> is in an invalid format.</exception>
         /// <exception cref="IOException">An I/O error occurred while opening the file.</exception>
         /// <exception cref="ArgumentOutOfRangeException">Message content is too long, length must be less or equal to <see cref="DiscordConfig.MaxMessageSize"/>.</exception>
-        public Task<RestUserMessage> SendFileAsync(string filePath, string text, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false)
-            => ChannelHelper.SendFileAsync(this, Discord, filePath, text, isTTS, embed, options, isSpoiler);
+        public Task<RestUserMessage> SendFileAsync(string filePath, string text, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null)
+            => ChannelHelper.SendFileAsync(this, Discord, filePath, text, isTTS, embed, allowedMentions, options, isSpoiler);
 
         /// <inheritdoc />
         /// <exception cref="ArgumentOutOfRangeException">Message content is too long, length must be less or equal to <see cref="DiscordConfig.MaxMessageSize"/>.</exception>
-        public Task<RestUserMessage> SendFileAsync(Stream stream, string filename, string text, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false)
-            => ChannelHelper.SendFileAsync(this, Discord, stream, filename, text, isTTS, embed, options, isSpoiler);
+        public Task<RestUserMessage> SendFileAsync(Stream stream, string filename, string text, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null)
+            => ChannelHelper.SendFileAsync(this, Discord, stream, filename, text, isTTS, embed, allowedMentions, options, isSpoiler);
 
         /// <inheritdoc />
         public Task DeleteMessageAsync(ulong messageId, RequestOptions options = null)
@@ -266,12 +266,12 @@ namespace Discord.Rest
             => await GetPinnedMessagesAsync(options).ConfigureAwait(false);
 
         /// <inheritdoc />
-        async Task<IUserMessage> IMessageChannel.SendFileAsync(string filePath, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler)
-            => await SendFileAsync(filePath, text, isTTS, embed, options, isSpoiler).ConfigureAwait(false);
+        async Task<IUserMessage> IMessageChannel.SendFileAsync(string filePath, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler, AllowedMentions allowedMentions)
+            => await SendFileAsync(filePath, text, isTTS, embed, options, isSpoiler, allowedMentions).ConfigureAwait(false);
 
         /// <inheritdoc />
-        async Task<IUserMessage> IMessageChannel.SendFileAsync(Stream stream, string filename, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler)
-            => await SendFileAsync(stream, filename, text, isTTS, embed, options, isSpoiler).ConfigureAwait(false);
+        async Task<IUserMessage> IMessageChannel.SendFileAsync(Stream stream, string filename, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler, AllowedMentions allowedMentions)
+            => await SendFileAsync(stream, filename, text, isTTS, embed, options, isSpoiler, allowedMentions).ConfigureAwait(false);
         /// <inheritdoc />
         async Task<IUserMessage> IMessageChannel.SendMessageAsync(string text, bool isTTS, Embed embed, RequestOptions options, AllowedMentions allowedMentions)
             => await SendMessageAsync(text, isTTS, embed, options, allowedMentions).ConfigureAwait(false);

src/Discord.Net.Rest/Entities/Guilds/GuildHelper.cs

@@ -264,19 +264,18 @@ namespace Discord.Rest
         {
             if (name == null) throw new ArgumentNullException(paramName: nameof(name));
 
-            var model = await client.ApiClient.CreateGuildRoleAsync(guild.Id, options).ConfigureAwait(false);
-            var role = RestRole.Create(client, guild, model);
-
-            await role.ModifyAsync(x =>
+            var createGuildRoleParams = new API.Rest.ModifyGuildRoleParams
             {
-                x.Name = name;
-                x.Permissions = (permissions ?? role.Permissions);
-                x.Color = (color ?? Color.Default);
-                x.Hoist = isHoisted;
-                x.Mentionable = isMentionable;
-            }, options).ConfigureAwait(false);
+                Color = color?.RawValue ?? Optional.Create<uint>(),
+                Hoist = isHoisted,
+                Mentionable = isMentionable,
+                Name = name,
+                Permissions = permissions?.RawValue ?? Optional.Create<ulong>()
+            };
+
+            var model = await client.ApiClient.CreateGuildRoleAsync(guild.Id, createGuildRoleParams, options).ConfigureAwait(false);
 
-            return role;
+            return RestRole.Create(client, guild, model);
         }
 
         //Users
@@ -387,6 +386,17 @@ namespace Discord.Rest
                 model = await client.ApiClient.BeginGuildPruneAsync(guild.Id, args, options).ConfigureAwait(false);
             return model.Pruned;
         }
+        public static async Task<IReadOnlyCollection<RestGuildUser>> SearchUsersAsync(IGuild guild, BaseDiscordClient client,
+            string query, int? limit, RequestOptions options)
+        {
+            var apiArgs = new SearchGuildMembersParams
+            {
+                Query = query,
+                Limit = limit ?? Optional.Create<int>()
+            };
+            var models = await client.ApiClient.SearchGuildMembersAsync(guild.Id, apiArgs, options).ConfigureAwait(false);
+            return models.Select(x => RestGuildUser.Create(client, guild, x)).ToImmutableArray();
+        }
 
         // Audit logs
         public static IAsyncEnumerable<IReadOnlyCollection<RestAuditLogEntry>> GetAuditLogsAsync(IGuild guild, BaseDiscordClient client,

src/Discord.Net.Rest/Entities/Guilds/RestGuild.cs

@@ -634,6 +634,23 @@ namespace Discord.Rest
         public Task<int> PruneUsersAsync(int days = 30, bool simulate = false, RequestOptions options = null)
             => GuildHelper.PruneUsersAsync(this, Discord, days, simulate, options);
 
+        /// <summary>
+        ///     Gets a collection of users in this guild that the name or nickname starts with the
+        ///     provided <see cref="string"/> at <paramref name="query"/>.
+        /// </summary>
+        /// <remarks>
+        ///     The <paramref name="limit"/> can not be higher than <see cref="DiscordConfig.MaxUsersPerBatch"/>.
+        /// </remarks>
+        /// <param name="query">The partial name or nickname to search.</param>
+        /// <param name="limit">The maximum number of users to be gotten.</param>
+        /// <param name="options">The options to be used when sending the request.</param>
+        /// <returns>
+        ///     A task that represents the asynchronous get operation. The task result contains a collection of guild
+        ///     users that the name or nickname starts with the provided <see cref="string"/> at <paramref name="query"/>.
+        /// </returns>
+        public Task<IReadOnlyCollection<RestGuildUser>> SearchUsersAsync(string query, int limit = DiscordConfig.MaxUsersPerBatch, RequestOptions options = null)
+            => GuildHelper.SearchUsersAsync(this, Discord, query, limit, options);
+
         //Audit logs
         /// <summary>
         ///     Gets the specified number of audit log entries for this guild.
@@ -884,6 +901,14 @@ namespace Discord.Rest
         /// <exception cref="NotSupportedException">Downloading users is not supported for a REST-based guild.</exception>
         Task IGuild.DownloadUsersAsync() =>
             throw new NotSupportedException();
+        /// <inheritdoc />
+        async Task<IReadOnlyCollection<IGuildUser>> IGuild.SearchUsersAsync(string query, int limit, CacheMode mode, RequestOptions options)
+        {
+            if (mode == CacheMode.AllowDownload)
+                return await SearchUsersAsync(query, limit, options).ConfigureAwait(false);
+            else
+                return ImmutableArray.Create<IGuildUser>();
+        }
 
         async Task<IReadOnlyCollection<IAuditLogEntry>> IGuild.GetAuditLogsAsync(int limit, CacheMode cacheMode, RequestOptions options,
             ulong? beforeId, ulong? userId, ActionType? actionType)

src/Discord.Net.Rest/Entities/Messages/MessageHelper.cs

@@ -44,8 +44,10 @@ namespace Discord.Rest
             };
             return await client.ApiClient.ModifyMessageAsync(msg.Channel.Id, msg.Id, apiArgs, options).ConfigureAwait(false);
         }
+
         public static Task DeleteAsync(IMessage msg, BaseDiscordClient client, RequestOptions options)
             => DeleteAsync(msg.Channel.Id, msg.Id, client, options);
+
         public static async Task DeleteAsync(ulong channelId, ulong msgId, BaseDiscordClient client,
             RequestOptions options)
         {
@@ -76,6 +78,11 @@ namespace Discord.Rest
             await client.ApiClient.RemoveAllReactionsAsync(msg.Channel.Id, msg.Id, options).ConfigureAwait(false);
         }
 
+        public static async Task RemoveAllReactionsForEmoteAsync(IMessage msg, IEmote emote, BaseDiscordClient client, RequestOptions options)
+        {
+            await client.ApiClient.RemoveAllReactionsForEmoteAsync(msg.Channel.Id, msg.Id, emote is Emote e ? $"{e.Name}:{e.Id}" : emote.Name, options).ConfigureAwait(false);
+        }
+
         public static IAsyncEnumerable<IReadOnlyCollection<IUser>> GetReactionUsersAsync(IMessage msg, IEmote emote,
             int? limit, BaseDiscordClient client, RequestOptions options)
         {
@@ -115,6 +122,7 @@ namespace Discord.Rest
         {
             await client.ApiClient.AddPinAsync(msg.Channel.Id, msg.Id, options).ConfigureAwait(false);
         }
+
         public static async Task UnpinAsync(IMessage msg, BaseDiscordClient client,
             RequestOptions options)
         {
@@ -240,6 +248,7 @@ namespace Discord.Rest
 
             return tags.ToImmutable();
         }
+
         private static int? FindIndex(IReadOnlyList<ITag> tags, int index)
         {
             int i = 0;
@@ -253,6 +262,7 @@ namespace Discord.Rest
                 return null; //Overlaps tag before this
             return i;
         }
+
         public static ImmutableArray<ulong> FilterTagsByKey(TagType type, ImmutableArray<ITag> tags)
         {
             return tags
@@ -260,6 +270,7 @@ namespace Discord.Rest
                 .Select(x => x.Key)
                 .ToImmutableArray();
         }
+
         public static ImmutableArray<T> FilterTagsByValue<T>(TagType type, ImmutableArray<ITag> tags)
         {
             return tags
@@ -279,5 +290,14 @@ namespace Discord.Rest
                 return MessageSource.Bot;
             return MessageSource.User;
         }
+
+        public static Task CrosspostAsync(IMessage msg, BaseDiscordClient client, RequestOptions options)
+            => CrosspostAsync(msg.Channel.Id, msg.Id, client, options);
+
+        public static async Task CrosspostAsync(ulong channelId, ulong msgId, BaseDiscordClient client,
+            RequestOptions options)
+        {
+            await client.ApiClient.CrosspostAsync(channelId, msgId, options).ConfigureAwait(false);
+        }
     }
 }

src/Discord.Net.Rest/Entities/Messages/RestMessage.cs

@@ -165,7 +165,7 @@ namespace Discord.Rest
         IReadOnlyCollection<IEmbed> IMessage.Embeds => Embeds;
         /// <inheritdoc />
         IReadOnlyCollection<ulong> IMessage.MentionedUserIds => MentionedUsers.Select(x => x.Id).ToImmutableArray();
-       
+
         /// <inheritdoc />
         public IReadOnlyDictionary<IEmote, ReactionMetadata> Reactions => _reactions.ToDictionary(x => x.Emote, x => new ReactionMetadata { ReactionCount = x.Count, IsMe = x.Me });
 
@@ -182,6 +182,9 @@ namespace Discord.Rest
         public Task RemoveAllReactionsAsync(RequestOptions options = null)
             => MessageHelper.RemoveAllReactionsAsync(this, Discord, options);
         /// <inheritdoc />
+        public Task RemoveAllReactionsForEmoteAsync(IEmote emote, RequestOptions options = null)
+            => MessageHelper.RemoveAllReactionsForEmoteAsync(this, emote, Discord, options);
+        /// <inheritdoc />
         public IAsyncEnumerable<IReadOnlyCollection<IUser>> GetReactionUsersAsync(IEmote emote, int limit, RequestOptions options = null)
             => MessageHelper.GetReactionUsersAsync(this, emote, limit, Discord, options);
     }

src/Discord.Net.Rest/Entities/Messages/RestUserMessage.cs

@@ -148,6 +148,18 @@ namespace Discord.Rest
             TagHandling roleHandling = TagHandling.Name, TagHandling everyoneHandling = TagHandling.Ignore, TagHandling emojiHandling = TagHandling.Name)
             => MentionUtils.Resolve(this, 0, userHandling, channelHandling, roleHandling, everyoneHandling, emojiHandling);
 
+        /// <inheritdoc />
+        /// <exception cref="InvalidOperationException">This operation may only be called on a <see cref="RestNewsChannel"/> channel.</exception>
+        public async Task CrosspostAsync(RequestOptions options = null)
+        {
+            if (!(Channel is RestNewsChannel))
+            {
+                throw new InvalidOperationException("Publishing (crossposting) is only valid in news channels.");
+            }
+
+            await MessageHelper.CrosspostAsync(this, Discord, options);
+        }
+
         private string DebuggerDisplay => $"{Author}: {Content} ({Id}{(Attachments.Count > 0 ? $", {Attachments.Count} Attachments" : "")})";
     }
 }

src/Discord.Net.Rest/Net/Queue/RequestQueueBucket.cs

@@ -13,6 +13,8 @@ namespace Discord.Net.Queue
 {
     internal class RequestBucket
     {
+        private const int MinimumSleepTimeMs = 750;
+
         private readonly object _lock;
         private readonly RequestQueue _queue;
         private int _semaphore;
@@ -37,7 +39,7 @@ namespace Discord.Net.Queue
             _resetTick = null;
             LastAttemptAt = DateTimeOffset.UtcNow;
         }
-        
+
         static int nextId = 0;
         public async Task<Stream> SendAsync(RestRequest request)
         {
@@ -183,10 +185,11 @@ namespace Discord.Net.Queue
 
                     ThrowRetryLimit(request);
 
-                    if (resetAt.HasValue)
+                    if (resetAt.HasValue && resetAt > DateTimeOffset.UtcNow)
                     {
                         if (resetAt > timeoutAt)
                             ThrowRetryLimit(request);
+
                         int millis = (int)Math.Ceiling((resetAt.Value - DateTimeOffset.UtcNow).TotalMilliseconds);
 #if DEBUG_LIMITS
                         Debug.WriteLine($"[{id}] Sleeping {millis} ms (Pre-emptive)");
@@ -196,12 +199,12 @@ namespace Discord.Net.Queue
                     }
                     else
                     {
-                        if ((timeoutAt.Value - DateTimeOffset.UtcNow).TotalMilliseconds < 500.0)
+                        if ((timeoutAt.Value - DateTimeOffset.UtcNow).TotalMilliseconds < MinimumSleepTimeMs)
                             ThrowRetryLimit(request);
 #if DEBUG_LIMITS
-                        Debug.WriteLine($"[{id}] Sleeping 500* ms (Pre-emptive)");
+                        Debug.WriteLine($"[{id}] Sleeping {MinimumSleepTimeMs}* ms (Pre-emptive)");
 #endif
-                        await Task.Delay(500, request.Options.CancelToken).ConfigureAwait(false);
+                        await Task.Delay(MinimumSleepTimeMs, request.Options.CancelToken).ConfigureAwait(false);
                     }
                     continue;
                 }
@@ -249,7 +252,7 @@ namespace Discord.Net.Queue
                 }
 				else if (info.ResetAfter.HasValue && (request.Options.UseSystemClock.HasValue ? !request.Options.UseSystemClock.Value : false))
 				{
-					resetTick = DateTimeOffset.Now.Add(info.ResetAfter.Value);
+					resetTick = DateTimeOffset.UtcNow.Add(info.ResetAfter.Value);
 				}
                 else if (info.Reset.HasValue)
                 {

src/Discord.Net.WebSocket/API/Gateway/IdentifyParams.cs

@@ -1,4 +1,4 @@
-#pragma warning disable CS1591
+#pragma warning disable CS1591
 using Newtonsoft.Json;
 using System.Collections.Generic;
 
@@ -17,5 +17,7 @@ namespace Discord.API.Gateway
         public Optional<int[]> ShardingParams { get; set; }
         [JsonProperty("guild_subscriptions")]
         public Optional<bool> GuildSubscriptions { get; set; }
+        [JsonProperty("intents")]
+        public Optional<int> Intents { get; set; }
     }
 }

src/Discord.Net.WebSocket/API/Gateway/RemoveAllReactionsForEmoteEvent.cs

@@ -0,0 +1,16 @@
+using Newtonsoft.Json;
+
+namespace Discord.API.Gateway
+{
+    internal class RemoveAllReactionsForEmoteEvent
+    {
+        [JsonProperty("channel_id")]
+        public ulong ChannelId { get; set; }
+        [JsonProperty("guild_id")]
+        public Optional<ulong> GuildId { get; set; }
+        [JsonProperty("message_id")]
+        public ulong MessageId { get; set; }
+        [JsonProperty("emoji")]
+        public Emoji Emoji { get; set; }
+    }
+}

src/Discord.Net.WebSocket/BaseSocketClient.Events.cs

@@ -234,6 +234,28 @@ namespace Discord.WebSocket
             remove { _reactionsClearedEvent.Remove(value); }
         }
         internal readonly AsyncEvent<Func<Cacheable<IUserMessage, ulong>, ISocketMessageChannel, Task>> _reactionsClearedEvent = new AsyncEvent<Func<Cacheable<IUserMessage, ulong>, ISocketMessageChannel, Task>>();
+        /// <summary>
+        ///     Fired when all reactions to a message with a specific emote are removed.
+        /// </summary>
+        /// <remarks>
+        ///     <para>
+        ///         This event is fired when all reactions to a message with a specific emote are removed.
+        ///         The event handler must return a <see cref="Task"/> and accept a <see cref="ISocketMessageChannel"/> and
+        ///         a <see cref="IEmote"/> as its parameters.
+        ///     </para>
+        ///     <para>
+        ///         The channel where this message was sent will be passed into the <see cref="ISocketMessageChannel"/> parameter.
+        ///     </para>
+        ///     <para>
+        ///         The emoji that all reactions had and were removed will be passed into the <see cref="IEmote"/> parameter.
+        ///     </para>
+        /// </remarks>
+        public event Func<Cacheable<IUserMessage, ulong>, ISocketMessageChannel, IEmote, Task> ReactionsRemovedForEmote
+        {
+            add { _reactionsRemovedForEmoteEvent.Add(value); }
+            remove { _reactionsRemovedForEmoteEvent.Remove(value); }
+        }
+        internal readonly AsyncEvent<Func<Cacheable<IUserMessage, ulong>, ISocketMessageChannel, IEmote, Task>> _reactionsRemovedForEmoteEvent = new AsyncEvent<Func<Cacheable<IUserMessage, ulong>, ISocketMessageChannel, IEmote, Task>>();
 
         //Roles
         /// <summary> Fired when a role is created. </summary>

src/Discord.Net.WebSocket/DiscordShardedClient.cs

@@ -313,6 +313,7 @@ namespace Discord.WebSocket
             client.ReactionAdded += (cache, channel, reaction) => _reactionAddedEvent.InvokeAsync(cache, channel, reaction);
             client.ReactionRemoved += (cache, channel, reaction) => _reactionRemovedEvent.InvokeAsync(cache, channel, reaction);
             client.ReactionsCleared += (cache, channel) => _reactionsClearedEvent.InvokeAsync(cache, channel);
+            client.ReactionsRemovedForEmote += (cache, channel, emote) => _reactionsRemovedForEmoteEvent.InvokeAsync(cache, channel, emote);
 
             client.RoleCreated += (role) => _roleCreatedEvent.InvokeAsync(role);
             client.RoleDeleted += (role) => _roleDeletedEvent.InvokeAsync(role);

src/Discord.Net.WebSocket/DiscordSocketApiClient.cs

@@ -209,7 +209,7 @@ namespace Discord.API
             await _sentGatewayMessageEvent.InvokeAsync(opCode).ConfigureAwait(false);
         }
 
-        public async Task SendIdentifyAsync(int largeThreshold = 100, int shardID = 0, int totalShards = 1, bool guildSubscriptions = true, RequestOptions options = null)
+        public async Task SendIdentifyAsync(int largeThreshold = 100, int shardID = 0, int totalShards = 1, bool guildSubscriptions = true, GatewayIntents? gatewayIntents = null, RequestOptions options = null)
         {
             options = RequestOptions.CreateOrClone(options);
             var props = new Dictionary<string, string>
@@ -220,12 +220,16 @@ namespace Discord.API
             {
                 Token = AuthToken,
                 Properties = props,
-                LargeThreshold = largeThreshold,
-                GuildSubscriptions = guildSubscriptions
+                LargeThreshold = largeThreshold
             };
             if (totalShards > 1)
                 msg.ShardingParams = new int[] { shardID, totalShards };
 
+            if (gatewayIntents.HasValue)
+                msg.Intents = (int)gatewayIntents.Value;
+            else
+                msg.GuildSubscriptions = guildSubscriptions;
+
             await SendGatewayAsync(GatewayOpCode.Identify, msg, options: options).ConfigureAwait(false);
         }
         public async Task SendResumeAsync(string sessionId, int lastSeq, RequestOptions options = null)

src/Discord.Net.WebSocket/DiscordSocketClient.Events.cs

@@ -21,7 +21,13 @@ namespace Discord.WebSocket
             remove { _disconnectedEvent.Remove(value); }
         }
         private readonly AsyncEvent<Func<Exception, Task>> _disconnectedEvent = new AsyncEvent<Func<Exception, Task>>();
-        /// <summary> Fired when guild data has finished downloading. </summary>
+        /// <summary>
+        ///     Fired when guild data has finished downloading.
+        /// </summary>
+        /// <remarks>
+        ///     It is possible that some guilds might be unsynced if <see cref="DiscordSocketConfig.MaxWaitBetweenGuildAvailablesBeforeReady" />
+        ///     was not long enough to receive all GUILD_AVAILABLEs before READY.
+        /// </remarks>
         public event Func<Task> Ready
         {
             add { _readyEvent.Add(value); }

src/Discord.Net.WebSocket/DiscordSocketClient.cs

@@ -44,6 +44,7 @@ namespace Discord.WebSocket
         private RestApplication _applicationInfo;
         private bool _isDisposed;
         private bool _guildSubscriptions;
+        private GatewayIntents? _gatewayIntents;
 
         /// <summary>
         ///     Provides access to a REST-only client with a shared state from this client.
@@ -137,6 +138,7 @@ namespace Discord.WebSocket
             Rest = new DiscordSocketRestClient(config, ApiClient);
             _heartbeatTimes = new ConcurrentQueue<long>();
             _guildSubscriptions = config.GuildSubscriptions;
+            _gatewayIntents = config.GatewayIntents;
 
             _stateLock = new SemaphoreSlim(1, 1);
             _gatewayLogger = LogManager.CreateLogger(ShardId == 0 && TotalShards == 1 ? "Gateway" : $"Shard #{ShardId}");
@@ -167,7 +169,7 @@ namespace Discord.WebSocket
 
             GuildAvailable += g =>
             {
-                if (ConnectionState == ConnectionState.Connected && AlwaysDownloadUsers && !g.HasAllMembers)
+                if (_guildDownloadTask?.IsCompleted == true && ConnectionState == ConnectionState.Connected && AlwaysDownloadUsers && !g.HasAllMembers)
                 {
                     var _ = g.DownloadUsersAsync();
                 }
@@ -242,7 +244,7 @@ namespace Discord.WebSocket
                 else
                 {
                     await _gatewayLogger.DebugAsync("Identifying").ConfigureAwait(false);
-                    await ApiClient.SendIdentifyAsync(shardID: ShardId, totalShards: TotalShards, guildSubscriptions: _guildSubscriptions).ConfigureAwait(false);
+                    await ApiClient.SendIdentifyAsync(shardID: ShardId, totalShards: TotalShards, guildSubscriptions: _guildSubscriptions, gatewayIntents: _gatewayIntents).ConfigureAwait(false);
                 }
 
                 //Wait for READY
@@ -368,7 +370,7 @@ namespace Discord.WebSocket
         {
             var cachedGuilds = guilds.ToImmutableArray();
 
-            const short batchSize = 50;
+            const short batchSize = 100; //TODO: Gateway Intents will limit to a maximum of 1 guild_id
             ulong[] batchIds = new ulong[Math.Min(batchSize, cachedGuilds.Length)];
             Task[] batchTasks = new Task[batchIds.Length];
             int batchCount = (cachedGuilds.Length + (batchSize - 1)) / batchSize;
@@ -376,7 +378,7 @@ namespace Discord.WebSocket
             for (int i = 0, k = 0; i < batchCount; i++)
             {
                 bool isLast = i == batchCount - 1;
-                int count = isLast ? (batchIds.Length - (batchCount - 1) * batchSize) : batchSize;
+                int count = isLast ? (cachedGuilds.Length - (batchCount - 1) * batchSize) : batchSize;
 
                 for (int j = 0; j < count; j++, k++)
                 {
@@ -517,7 +519,7 @@ namespace Discord.WebSocket
                             _sessionId = null;
                             _lastSeq = 0;
 
-                            await ApiClient.SendIdentifyAsync(shardID: ShardId, totalShards: TotalShards).ConfigureAwait(false);
+                            await ApiClient.SendIdentifyAsync(shardID: ShardId, totalShards: TotalShards, guildSubscriptions: _guildSubscriptions, gatewayIntents: _gatewayIntents).ConfigureAwait(false);
                         }
                         break;
                     case GatewayOpCode.Reconnect:
@@ -576,6 +578,9 @@ namespace Discord.WebSocket
                                             }
                                             else if (_connection.CancelToken.IsCancellationRequested)
                                                 return;
+                                            
+                                            if (BaseConfig.AlwaysDownloadUsers)
+                                                _ = DownloadUsersAsync(Guilds.Where(x => x.IsAvailable && !x.HasAllMembers));
 
                                             await TimedInvokeAsync(_readyEvent, nameof(Ready)).ConfigureAwait(false);
                                             await _gatewayLogger.InfoAsync("Ready").ConfigureAwait(false);
@@ -1391,6 +1396,34 @@ namespace Discord.WebSocket
                                     }
                                 }
                                 break;
+                            case "MESSAGE_REACTION_REMOVE_EMOJI":
+                                {
+                                    await _gatewayLogger.DebugAsync("Received Dispatch (MESSAGE_REACTION_REMOVE_EMOJI)").ConfigureAwait(false);
+
+                                    var data = (payload as JToken).ToObject<API.Gateway.RemoveAllReactionsForEmoteEvent>(_serializer);
+                                    if (State.GetChannel(data.ChannelId) is ISocketMessageChannel channel)
+                                    {
+                                        var cachedMsg = channel.GetCachedMessage(data.MessageId) as SocketUserMessage;
+                                        bool isCached = cachedMsg != null;
+
+                                        var optionalMsg = !isCached
+                                            ? Optional.Create<SocketUserMessage>()
+                                            : Optional.Create(cachedMsg);
+
+                                        var cacheable = new Cacheable<IUserMessage, ulong>(cachedMsg, data.MessageId, isCached, async () => await channel.GetMessageAsync(data.MessageId).ConfigureAwait(false) as IUserMessage);
+                                        var emote = data.Emoji.ToIEmote();
+
+                                        cachedMsg?.RemoveAllReactionsForEmoteAsync(emote);
+
+                                        await TimedInvokeAsync(_reactionsRemovedForEmoteEvent, nameof(ReactionsRemovedForEmote), cacheable, channel, emote).ConfigureAwait(false);
+                                    }
+                                    else
+                                    {
+                                        await UnknownChannelAsync(type, data.ChannelId).ConfigureAwait(false);
+                                        return;
+                                    }
+                                }
+                                break;
                             case "MESSAGE_DELETE_BULK":
                                 {
                                     await _gatewayLogger.DebugAsync("Received Dispatch (MESSAGE_DELETE_BULK)").ConfigureAwait(false);
@@ -1742,7 +1775,7 @@ namespace Discord.WebSocket
             try
             {
                 await logger.DebugAsync("GuildDownloader Started").ConfigureAwait(false);
-                while ((_unavailableGuildCount != 0) && (Environment.TickCount - _lastGuildAvailableTime < 2000))
+                while ((_unavailableGuildCount != 0) && (Environment.TickCount - _lastGuildAvailableTime < BaseConfig.MaxWaitBetweenGuildAvailablesBeforeReady))
                     await Task.Delay(500, cancelToken).ConfigureAwait(false);
                 await logger.DebugAsync("GuildDownloader Stopped").ConfigureAwait(false);
             }
@@ -1771,17 +1804,7 @@ namespace Discord.WebSocket
             return guild;
         }
         internal SocketGuild RemoveGuild(ulong id)
-        {
-            var guild = State.RemoveGuild(id);
-            if (guild != null)
-            {
-                foreach (var _ in guild.Channels)
-                    State.RemoveChannel(id);
-                foreach (var user in guild.Users)
-                    user.GlobalUser.RemoveRef(this);
-            }
-            return guild;
-        }
+            => State.RemoveGuild(id);
 
         /// <exception cref="InvalidOperationException">Unexpected channel type is created.</exception>
         internal ISocketPrivateChannel AddPrivateChannel(API.Channel model, ClientState state)

src/Discord.Net.WebSocket/DiscordSocketConfig.cs

@@ -121,9 +121,45 @@ namespace Discord.WebSocket
 
         /// <summary>
         ///     Gets or sets enabling dispatching of guild subscription events e.g. presence and typing events.
+        ///     This is not used if <see cref="GatewayIntents"/> are provided.
         /// </summary>
         public bool GuildSubscriptions { get; set; } = true;
 
+        /// <summary>
+        ///     Gets or sets the maximum wait time in milliseconds between GUILD_AVAILABLE events before firing READY.
+        ///
+        ///     If zero, READY will fire as soon as it is received and all guilds will be unavailable.
+        /// </summary>
+        /// <remarks>
+        ///     <para>This property is measured in milliseconds, negative values will throw an exception.</para>
+        ///     <para>If a guild is not received before READY, it will be unavailable.</para>
+        /// </remarks>
+        /// <returns>
+        ///     The maximum wait time in milliseconds between GUILD_AVAILABLE events before firing READY.
+        /// </returns>
+        /// <exception cref="System.ArgumentException">Value must be at least 0.</exception>
+        public int MaxWaitBetweenGuildAvailablesBeforeReady {
+            get
+            {
+                return _maxWaitForGuildAvailable;
+            }
+            set
+            {
+                Preconditions.AtLeast(value, 0, nameof(MaxWaitBetweenGuildAvailablesBeforeReady));
+                _maxWaitForGuildAvailable = value;
+            }
+        }
+        private int _maxWaitForGuildAvailable = 10000;
+        
+        ///    Gets or sets gateway intents to limit what events are sent from Discord. Allows for more granular control than the <see cref="GuildSubscriptions"/> property.
+        /// </summary>
+        /// <remarks>
+        ///     For more information, please see
+        ///     <see href="https://discord.com/developers/docs/topics/gateway#gateway-intents">GatewayIntents</see>
+        ///     on the official Discord API documentation.
+        /// </remarks>
+        public GatewayIntents? GatewayIntents { get; set; }
+
         /// <summary>
         ///     Initializes a default configuration.
         /// </summary>

src/Discord.Net.WebSocket/Entities/Channels/ISocketMessageChannel.cs

@@ -42,7 +42,7 @@ namespace Discord.WebSocket
         ///     Sends a file to this message channel with an optional caption.
         /// </summary>
         /// <remarks>
-        ///     This method follows the same behavior as described in <see cref="IMessageChannel.SendFileAsync(string, string, bool, Embed, RequestOptions, bool)"/>.
+        ///     This method follows the same behavior as described in <see cref="IMessageChannel.SendFileAsync(string, string, bool, Embed, RequestOptions, bool, AllowedMentions)"/>.
         ///     Please visit its documentation for more details on this method.
         /// </remarks>
         /// <param name="filePath">The file path of the file.</param>
@@ -51,16 +51,20 @@ namespace Discord.WebSocket
         /// <param name="embed">The <see cref="Discord.EmbedType.Rich" /> <see cref="Embed" /> to be sent.</param>
         /// <param name="options">The options to be used when sending the request.</param>
         /// <param name="isSpoiler">Whether the message attachment should be hidden as a spoiler.</param>
+        /// <param name="allowedMentions">
+        ///     Specifies if notifications are sent for mentioned users and roles in the message <paramref name="text"/>.
+        ///     If <c>null</c>, all mentioned roles and users will be notified.
+        /// </param>
         /// <returns>
         ///     A task that represents an asynchronous send operation for delivering the message. The task result
         ///     contains the sent message.
         /// </returns>
-        new Task<RestUserMessage> SendFileAsync(string filePath, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false);
+        new Task<RestUserMessage> SendFileAsync(string filePath, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null);
         /// <summary>
         ///     Sends a file to this message channel with an optional caption.
         /// </summary>
         /// <remarks>
-        ///     This method follows the same behavior as described in <see cref="IMessageChannel.SendFileAsync(Stream, string, string, bool, Embed, RequestOptions, bool)"/>.
+        ///     This method follows the same behavior as described in <see cref="IMessageChannel.SendFileAsync(Stream, string, string, bool, Embed, RequestOptions, bool, AllowedMentions)"/>.
         ///     Please visit its documentation for more details on this method.
         /// </remarks>
         /// <param name="stream">The <see cref="Stream" /> of the file to be sent.</param>
@@ -70,11 +74,15 @@ namespace Discord.WebSocket
         /// <param name="embed">The <see cref="Discord.EmbedType.Rich"/> <see cref="Embed"/> to be sent.</param>
         /// <param name="options">The options to be used when sending the request.</param>
         /// <param name="isSpoiler">Whether the message attachment should be hidden as a spoiler.</param>
+        /// <param name="allowedMentions">
+        ///     Specifies if notifications are sent for mentioned users and roles in the message <paramref name="text"/>.
+        ///     If <c>null</c>, all mentioned roles and users will be notified.
+        /// </param>
         /// <returns>
         ///     A task that represents an asynchronous send operation for delivering the message. The task result
         ///     contains the sent message.
         /// </returns>
-        new Task<RestUserMessage> SendFileAsync(Stream stream, string filename, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false);
+        new Task<RestUserMessage> SendFileAsync(Stream stream, string filename, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null);
 
         /// <summary>
         ///     Gets a cached message from this channel.

src/Discord.Net.WebSocket/Entities/Channels/SocketChannelHelper.cs

@@ -11,23 +11,11 @@ namespace Discord.WebSocket
         public static IAsyncEnumerable<IReadOnlyCollection<IMessage>> GetMessagesAsync(ISocketMessageChannel channel, DiscordSocketClient discord, MessageCache messages,
             ulong? fromMessageId, Direction dir, int limit, CacheMode mode, RequestOptions options)
         {
-            if (dir == Direction.Around)
-                throw new NotImplementedException(); //TODO: Impl
-
-            IReadOnlyCollection<SocketMessage> cachedMessages = null;
-            IAsyncEnumerable<IReadOnlyCollection<IMessage>> result = null;
-            
             if (dir == Direction.After && fromMessageId == null)
                 return AsyncEnumerable.Empty<IReadOnlyCollection<IMessage>>();
 
-            if (dir == Direction.Before || mode == CacheMode.CacheOnly)
-            {
-                if (messages != null) //Cache enabled
-                    cachedMessages = messages.GetMany(fromMessageId, dir, limit);
-                else
-                    cachedMessages = ImmutableArray.Create<SocketMessage>();
-                result = ImmutableArray.Create(cachedMessages).ToAsyncEnumerable<IReadOnlyCollection<IMessage>>();
-            }
+            var cachedMessages = GetCachedMessages(channel, discord, messages, fromMessageId, dir, limit);
+            var result = ImmutableArray.Create(cachedMessages).ToAsyncEnumerable<IReadOnlyCollection<IMessage>>();
 
             if (dir == Direction.Before)
             {
@@ -38,18 +26,35 @@ namespace Discord.WebSocket
                 //Download remaining messages
                 ulong? minId = cachedMessages.Count > 0 ? cachedMessages.Min(x => x.Id) : fromMessageId;
                 var downloadedMessages = ChannelHelper.GetMessagesAsync(channel, discord, minId, dir, limit, options);
-                return result.Concat(downloadedMessages);
+                if (cachedMessages.Count != 0)
+                    return result.Concat(downloadedMessages);
+                else
+                    return downloadedMessages;
             }
-            else
+            else if (dir == Direction.After)
+            {
+                limit -= cachedMessages.Count;
+                if (mode == CacheMode.CacheOnly || limit <= 0)
+                    return result;
+
+                //Download remaining messages
+                ulong maxId = cachedMessages.Count > 0 ? cachedMessages.Max(x => x.Id) : fromMessageId.Value;
+                var downloadedMessages = ChannelHelper.GetMessagesAsync(channel, discord, maxId, dir, limit, options);
+                if (cachedMessages.Count != 0)
+                    return result.Concat(downloadedMessages);
+                else
+                    return downloadedMessages;
+            }
+            else //Direction.Around
             {
-                if (mode == CacheMode.CacheOnly)
+                if (mode == CacheMode.CacheOnly || limit <= cachedMessages.Count)
                     return result;
 
-                //Dont use cache in this case
+                //Cache isn't useful here since Discord will send them anyways
                 return ChannelHelper.GetMessagesAsync(channel, discord, fromMessageId, dir, limit, options);
             }
         }
-        public static IReadOnlyCollection<SocketMessage> GetCachedMessages(SocketChannel channel, DiscordSocketClient discord, MessageCache messages,
+        public static IReadOnlyCollection<SocketMessage> GetCachedMessages(ISocketMessageChannel channel, DiscordSocketClient discord, MessageCache messages,
             ulong? fromMessageId, Direction dir, int limit)
         {
             if (messages != null) //Cache enabled

src/Discord.Net.WebSocket/Entities/Channels/SocketDMChannel.cs

@@ -139,12 +139,12 @@ namespace Discord.WebSocket
             => ChannelHelper.SendMessageAsync(this, Discord, text, isTTS, embed, allowedMentions, options);
 
         /// <inheritdoc />
-        public Task<RestUserMessage> SendFileAsync(string filePath, string text, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false)
-            => ChannelHelper.SendFileAsync(this, Discord, filePath, text, isTTS, embed, options, isSpoiler);
+        public Task<RestUserMessage> SendFileAsync(string filePath, string text, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null)
+            => ChannelHelper.SendFileAsync(this, Discord, filePath, text, isTTS, embed, allowedMentions, options, isSpoiler);
         /// <inheritdoc />
         /// <exception cref="ArgumentOutOfRangeException">Message content is too long, length must be less or equal to <see cref="DiscordConfig.MaxMessageSize"/>.</exception>
-        public Task<RestUserMessage> SendFileAsync(Stream stream, string filename, string text, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false)
-            => ChannelHelper.SendFileAsync(this, Discord, stream, filename, text, isTTS, embed, options, isSpoiler);
+        public Task<RestUserMessage> SendFileAsync(Stream stream, string filename, string text, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null)
+            => ChannelHelper.SendFileAsync(this, Discord, stream, filename, text, isTTS, embed, allowedMentions, options, isSpoiler);
         /// <inheritdoc />
         public Task DeleteMessageAsync(ulong messageId, RequestOptions options = null)
             => ChannelHelper.DeleteMessageAsync(this, messageId, Discord, options);
@@ -229,11 +229,11 @@ namespace Discord.WebSocket
         async Task<IReadOnlyCollection<IMessage>> IMessageChannel.GetPinnedMessagesAsync(RequestOptions options)
             => await GetPinnedMessagesAsync(options).ConfigureAwait(false);
         /// <inheritdoc />
-        async Task<IUserMessage> IMessageChannel.SendFileAsync(string filePath, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler)
-            => await SendFileAsync(filePath, text, isTTS, embed, options, isSpoiler).ConfigureAwait(false);
+        async Task<IUserMessage> IMessageChannel.SendFileAsync(string filePath, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler, AllowedMentions allowedMentions)
+            => await SendFileAsync(filePath, text, isTTS, embed, options, isSpoiler, allowedMentions).ConfigureAwait(false);
         /// <inheritdoc />
-        async Task<IUserMessage> IMessageChannel.SendFileAsync(Stream stream, string filename, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler)
-            => await SendFileAsync(stream, filename, text, isTTS, embed, options, isSpoiler).ConfigureAwait(false);
+        async Task<IUserMessage> IMessageChannel.SendFileAsync(Stream stream, string filename, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler, AllowedMentions allowedMentions)
+            => await SendFileAsync(stream, filename, text, isTTS, embed, options, isSpoiler, allowedMentions).ConfigureAwait(false);
         /// <inheritdoc />
         async Task<IUserMessage> IMessageChannel.SendMessageAsync(string text, bool isTTS, Embed embed, RequestOptions options, AllowedMentions allowedMentions)
             => await SendMessageAsync(text, isTTS, embed, options, allowedMentions).ConfigureAwait(false);

src/Discord.Net.WebSocket/Entities/Channels/SocketGroupChannel.cs

@@ -167,11 +167,11 @@ namespace Discord.WebSocket
             => ChannelHelper.SendMessageAsync(this, Discord, text, isTTS, embed, allowedMentions, options);
 
         /// <inheritdoc />
-        public Task<RestUserMessage> SendFileAsync(string filePath, string text, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false)
-            => ChannelHelper.SendFileAsync(this, Discord, filePath, text, isTTS, embed, options, isSpoiler);
+        public Task<RestUserMessage> SendFileAsync(string filePath, string text, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null)
+            => ChannelHelper.SendFileAsync(this, Discord, filePath, text, isTTS, embed, allowedMentions, options, isSpoiler);
         /// <inheritdoc />
-        public Task<RestUserMessage> SendFileAsync(Stream stream, string filename, string text, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false)
-            => ChannelHelper.SendFileAsync(this, Discord, stream, filename, text, isTTS, embed, options, isSpoiler);
+        public Task<RestUserMessage> SendFileAsync(Stream stream, string filename, string text, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null)
+            => ChannelHelper.SendFileAsync(this, Discord, stream, filename, text, isTTS, embed, allowedMentions, options, isSpoiler);
 
         /// <inheritdoc />
         public Task DeleteMessageAsync(ulong messageId, RequestOptions options = null)
@@ -293,11 +293,11 @@ namespace Discord.WebSocket
             => await GetPinnedMessagesAsync(options).ConfigureAwait(false);
 
         /// <inheritdoc />
-        async Task<IUserMessage> IMessageChannel.SendFileAsync(string filePath, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler)
-            => await SendFileAsync(filePath, text, isTTS, embed, options, isSpoiler).ConfigureAwait(false);
+        async Task<IUserMessage> IMessageChannel.SendFileAsync(string filePath, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler, AllowedMentions allowedMentions)
+            => await SendFileAsync(filePath, text, isTTS, embed, options, isSpoiler, allowedMentions).ConfigureAwait(false);
         /// <inheritdoc />
-        async Task<IUserMessage> IMessageChannel.SendFileAsync(Stream stream, string filename, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler)
-            => await SendFileAsync(stream, filename, text, isTTS, embed, options, isSpoiler).ConfigureAwait(false);
+        async Task<IUserMessage> IMessageChannel.SendFileAsync(Stream stream, string filename, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler, AllowedMentions allowedMentions)
+            => await SendFileAsync(stream, filename, text, isTTS, embed, options, isSpoiler, allowedMentions).ConfigureAwait(false);
         /// <inheritdoc />
         async Task<IUserMessage> IMessageChannel.SendMessageAsync(string text, bool isTTS, Embed embed, RequestOptions options, AllowedMentions allowedMentions)
             => await SendMessageAsync(text, isTTS, embed, options, allowedMentions).ConfigureAwait(false);

src/Discord.Net.WebSocket/Entities/Channels/SocketTextChannel.cs

@@ -165,13 +165,13 @@ namespace Discord.WebSocket
             => ChannelHelper.SendMessageAsync(this, Discord, text, isTTS, embed, allowedMentions, options);
 
         /// <inheritdoc />
-        public Task<RestUserMessage> SendFileAsync(string filePath, string text, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false)
-            => ChannelHelper.SendFileAsync(this, Discord, filePath, text, isTTS, embed, options, isSpoiler);
+        public Task<RestUserMessage> SendFileAsync(string filePath, string text, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null)
+            => ChannelHelper.SendFileAsync(this, Discord, filePath, text, isTTS, embed, allowedMentions, options, isSpoiler);
 
         /// <inheritdoc />
         /// <exception cref="ArgumentOutOfRangeException">Message content is too long, length must be less or equal to <see cref="DiscordConfig.MaxMessageSize"/>.</exception>
-        public Task<RestUserMessage> SendFileAsync(Stream stream, string filename, string text, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false)
-            => ChannelHelper.SendFileAsync(this, Discord, stream, filename, text, isTTS, embed, options, isSpoiler);
+        public Task<RestUserMessage> SendFileAsync(Stream stream, string filename, string text, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null)
+            => ChannelHelper.SendFileAsync(this, Discord, stream, filename, text, isTTS, embed, allowedMentions, options, isSpoiler);
 
         /// <inheritdoc />
         public Task DeleteMessagesAsync(IEnumerable<IMessage> messages, RequestOptions options = null)
@@ -302,11 +302,11 @@ namespace Discord.WebSocket
             => await GetPinnedMessagesAsync(options).ConfigureAwait(false);
 
         /// <inheritdoc />
-        async Task<IUserMessage> IMessageChannel.SendFileAsync(string filePath, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler)
-            => await SendFileAsync(filePath, text, isTTS, embed, options, isSpoiler).ConfigureAwait(false);
+        async Task<IUserMessage> IMessageChannel.SendFileAsync(string filePath, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler, AllowedMentions allowedMentions)
+            => await SendFileAsync(filePath, text, isTTS, embed, options, isSpoiler, allowedMentions).ConfigureAwait(false);
         /// <inheritdoc />
-        async Task<IUserMessage> IMessageChannel.SendFileAsync(Stream stream, string filename, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler)
-            => await SendFileAsync(stream, filename, text, isTTS, embed, options, isSpoiler).ConfigureAwait(false);
+        async Task<IUserMessage> IMessageChannel.SendFileAsync(Stream stream, string filename, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler, AllowedMentions allowedMentions)
+            => await SendFileAsync(stream, filename, text, isTTS, embed, options, isSpoiler, allowedMentions).ConfigureAwait(false);
         /// <inheritdoc />
         async Task<IUserMessage> IMessageChannel.SendMessageAsync(string text, bool isTTS, Embed embed, RequestOptions options, AllowedMentions allowedMentions)
             => await SendMessageAsync(text, isTTS, embed, options, allowedMentions).ConfigureAwait(false);

src/Discord.Net.WebSocket/Entities/Guilds/SocketGuild.cs

@@ -809,17 +809,37 @@ namespace Discord.WebSocket
             var members = Users;
             var self = CurrentUser;
             _members.Clear();
-            _members.TryAdd(self.Id, self);
+            if (self != null)
+                _members.TryAdd(self.Id, self);
 
             DownloadedMemberCount = _members.Count;
 
             foreach (var member in members)
             {
-                if (member.Id != self.Id)
+                if (member.Id != self?.Id)
                     member.GlobalUser.RemoveRef(Discord);
             }
         }
 
+        /// <summary>
+        ///     Gets a collection of all users in this guild.
+        /// </summary>
+        /// <remarks>
+        ///     <para>This method retrieves all users found within this guild throught REST.</para>
+        ///     <para>Users returned by this method are not cached.</para>
+        /// </remarks>
+        /// <param name="options">The options to be used when sending the request.</param>
+        /// <returns>
+        ///     A task that represents the asynchronous get operation. The task result contains a collection of guild
+        ///     users found within this guild.
+        /// </returns>
+        public IAsyncEnumerable<IReadOnlyCollection<IGuildUser>> GetUsersAsync(RequestOptions options = null)
+        {
+            if (HasAllMembers)
+                return ImmutableArray.Create(Users).ToAsyncEnumerable<IReadOnlyCollection<IGuildUser>>();
+            return GuildHelper.GetUsersAsync(this, Discord, null, null, options);
+        }
+
         /// <inheritdoc />
         public async Task DownloadUsersAsync()
         {
@@ -830,6 +850,23 @@ namespace Discord.WebSocket
             _downloaderPromise.TrySetResultAsync(true);
         }
 
+        /// <summary>
+        ///     Gets a collection of users in this guild that the name or nickname starts with the
+        ///     provided <see cref="string"/> at <paramref name="query"/>.
+        /// </summary>
+        /// <remarks>
+        ///     The <paramref name="limit"/> can not be higher than <see cref="DiscordConfig.MaxUsersPerBatch"/>.
+        /// </remarks>
+        /// <param name="query">The partial name or nickname to search.</param>
+        /// <param name="limit">The maximum number of users to be gotten.</param>
+        /// <param name="options">The options to be used when sending the request.</param>
+        /// <returns>
+        ///     A task that represents the asynchronous get operation. The task result contains a collection of guild
+        ///     users that the name or nickname starts with the provided <see cref="string"/> at <paramref name="query"/>.
+        /// </returns>
+        public Task<IReadOnlyCollection<RestGuildUser>> SearchUsersAsync(string query, int limit = DiscordConfig.MaxUsersPerBatch, RequestOptions options = null)
+            => GuildHelper.SearchUsersAsync(this, Discord, query, limit, options);
+
         //Audit logs
         /// <summary>
         ///     Gets the specified number of audit log entries for this guild.
@@ -1184,8 +1221,13 @@ namespace Discord.WebSocket
             => await CreateRoleAsync(name, permissions, color, isHoisted, isMentionable, options).ConfigureAwait(false);
 
         /// <inheritdoc />
-        Task<IReadOnlyCollection<IGuildUser>> IGuild.GetUsersAsync(CacheMode mode, RequestOptions options)
-            => Task.FromResult<IReadOnlyCollection<IGuildUser>>(Users);
+        async Task<IReadOnlyCollection<IGuildUser>> IGuild.GetUsersAsync(CacheMode mode, RequestOptions options)
+        {
+            if (mode == CacheMode.AllowDownload && !HasAllMembers)
+                return (await GetUsersAsync(options).FlattenAsync().ConfigureAwait(false)).ToImmutableArray();
+            else
+                return Users;
+        }
 
         /// <inheritdoc />
         async Task<IGuildUser> IGuild.AddGuildUserAsync(ulong userId, string accessToken, Action<AddGuildUserProperties> func, RequestOptions options)
@@ -1199,6 +1241,14 @@ namespace Discord.WebSocket
         /// <inheritdoc />
         Task<IGuildUser> IGuild.GetOwnerAsync(CacheMode mode, RequestOptions options)
             => Task.FromResult<IGuildUser>(Owner);
+        /// <inheritdoc />
+        async Task<IReadOnlyCollection<IGuildUser>> IGuild.SearchUsersAsync(string query, int limit, CacheMode mode, RequestOptions options)
+        {
+            if (mode == CacheMode.AllowDownload)
+                return await SearchUsersAsync(query, limit, options).ConfigureAwait(false);
+            else
+                return ImmutableArray.Create<IGuildUser>();
+        }
 
         /// <inheritdoc />
         async Task<IReadOnlyCollection<IAuditLogEntry>> IGuild.GetAuditLogsAsync(int limit, CacheMode cacheMode, RequestOptions options,

src/Discord.Net.WebSocket/Entities/Messages/MessageCache.cs

@@ -56,11 +56,23 @@ namespace Discord.WebSocket
                 cachedMessageIds = _orderedMessages;
             else if (dir == Direction.Before)
                 cachedMessageIds = _orderedMessages.Where(x => x < fromMessageId.Value);
-            else
+            else if (dir == Direction.After)
                 cachedMessageIds = _orderedMessages.Where(x => x > fromMessageId.Value);
+            else //Direction.Around
+            {
+                if (!_messages.TryGetValue(fromMessageId.Value, out SocketMessage msg))
+                    return ImmutableArray<SocketMessage>.Empty;
+                int around = limit / 2;
+                var before = GetMany(fromMessageId, Direction.Before, around);
+                var after = GetMany(fromMessageId, Direction.After, around).Reverse();
+
+                return after.Concat(new SocketMessage[] { msg }).Concat(before).ToImmutableArray();
+            }
 
             if (dir == Direction.Before)
                 cachedMessageIds = cachedMessageIds.Reverse();
+            if (dir == Direction.Around) //Only happens if fromMessageId is null, should only get "around" and itself (+1)
+                limit = limit / 2 + 1;
 
             return cachedMessageIds
                 .Select(x =>

src/Discord.Net.WebSocket/Entities/Messages/SocketMessage.cs

@@ -140,7 +140,7 @@ namespace Discord.WebSocket
                 Activity = new MessageActivity()
                 {
                     Type = model.Activity.Value.Type.Value,
-                    PartyId = model.Activity.Value.PartyId.Value
+                    PartyId = model.Activity.Value.PartyId.GetValueOrDefault()
                 };
             }
 
@@ -200,6 +200,10 @@ namespace Discord.WebSocket
         {
             _reactions.Clear();
         }
+        internal void RemoveReactionsForEmote(IEmote emote)
+        {
+            _reactions.RemoveAll(x => x.Emote.Equals(emote));
+        }
 
         /// <inheritdoc />
         public Task AddReactionAsync(IEmote emote, RequestOptions options = null)
@@ -214,6 +218,9 @@ namespace Discord.WebSocket
         public Task RemoveAllReactionsAsync(RequestOptions options = null)
             => MessageHelper.RemoveAllReactionsAsync(this, Discord, options);
         /// <inheritdoc />
+        public Task RemoveAllReactionsForEmoteAsync(IEmote emote, RequestOptions options = null)
+            => MessageHelper.RemoveAllReactionsForEmoteAsync(this, emote, Discord, options);
+        /// <inheritdoc />
         public IAsyncEnumerable<IReadOnlyCollection<IUser>> GetReactionUsersAsync(IEmote emote, int limit, RequestOptions options = null)
             => MessageHelper.GetReactionUsersAsync(this, emote, limit, Discord, options);
     }

src/Discord.Net.WebSocket/Entities/Messages/SocketUserMessage.cs

@@ -123,7 +123,7 @@ namespace Discord.WebSocket
                 model.Content = text;
             }
         }
-        
+
         /// <inheritdoc />
         /// <exception cref="InvalidOperationException">Only the author of a message may modify the message.</exception>
         /// <exception cref="ArgumentOutOfRangeException">Message content is too long, length must be less or equal to <see cref="DiscordConfig.MaxMessageSize"/>.</exception>
@@ -147,7 +147,19 @@ namespace Discord.WebSocket
         public string Resolve(TagHandling userHandling = TagHandling.Name, TagHandling channelHandling = TagHandling.Name,
             TagHandling roleHandling = TagHandling.Name, TagHandling everyoneHandling = TagHandling.Ignore, TagHandling emojiHandling = TagHandling.Name)
             => MentionUtils.Resolve(this, 0, userHandling, channelHandling, roleHandling, everyoneHandling, emojiHandling);
-        
+
+        /// <inheritdoc />
+        /// <exception cref="InvalidOperationException">This operation may only be called on a <see cref="SocketNewsChannel"/> channel.</exception>
+        public async Task CrosspostAsync(RequestOptions options = null)
+        {
+            if (!(Channel is SocketNewsChannel))
+            {
+                throw new InvalidOperationException("Publishing (crossposting) is only valid in news channels.");
+            }
+
+            await MessageHelper.CrosspostAsync(this, Discord, options);
+        }
+
         private string DebuggerDisplay => $"{Author}: {Content} ({Id}{(Attachments.Count > 0 ? $", {Attachments.Count} Attachments" : "")})";
         internal new SocketUserMessage Clone() => MemberwiseClone() as SocketUserMessage;
     }

src/Discord.Net.WebSocket/Entities/Users/SocketUser.cs

@@ -44,8 +44,11 @@ namespace Discord.WebSocket
         /// <summary>
         ///     Gets mutual guilds shared with this user.
         /// </summary>
+        /// <remarks>
+        ///     This property will only include guilds in the same <see cref="DiscordSocketClient"/>.
+        /// </remarks>
         public IReadOnlyCollection<SocketGuild> MutualGuilds
-            => Discord.Guilds.Where(g => g.Users.Any(u => u.Id == Id)).ToImmutableArray();
+            => Discord.Guilds.Where(g => g.GetUser(Id) != null).ToImmutableArray();
 
         internal SocketUser(DiscordSocketClient discord, ulong id)
             : base(discord, id)

src/Discord.Net.Webhook/DiscordWebhookClient.cs

@@ -33,7 +33,7 @@ namespace Discord.Webhook
             : this(webhookUrl, new DiscordRestConfig()) { }
 
         // regex pattern to match webhook urls
-        private static Regex WebhookUrlRegex = new Regex(@"^.*discordapp\.com\/api\/webhooks\/([\d]+)\/([a-z0-9_-]+)$", RegexOptions.Compiled | RegexOptions.IgnoreCase);
+        private static Regex WebhookUrlRegex = new Regex(@"^.*(discord|discordapp)\.com\/api\/webhooks\/([\d]+)\/([a-z0-9_-]+)$", RegexOptions.Compiled | RegexOptions.IgnoreCase);
 
         /// <summary> Creates a new Webhook Discord client. </summary>
         public DiscordWebhookClient(ulong webhookId, string webhookToken, DiscordRestConfig config)
@@ -132,13 +132,13 @@ namespace Discord.Webhook
             if (match != null)
             {
                 // ensure that the first group is a ulong, set the _webhookId
-                // 0th group is always the entire match, so start at index 1
-                if (!(match.Groups[1].Success && ulong.TryParse(match.Groups[1].Value, NumberStyles.None, CultureInfo.InvariantCulture, out webhookId)))
+                // 0th group is always the entire match, and 1 is the domain; so start at index 2
+                if (!(match.Groups[2].Success && ulong.TryParse(match.Groups[2].Value, NumberStyles.None, CultureInfo.InvariantCulture, out webhookId)))
                     throw ex("The webhook Id could not be parsed.");
 
-                if (!match.Groups[2].Success)
+                if (!match.Groups[3].Success)
                     throw ex("The webhook token could not be parsed.");
-                webhookToken = match.Groups[2].Value;
+                webhookToken = match.Groups[3].Value;
             }
             else
                 throw ex();

test/Discord.Net.Tests.Unit/MockedEntities/MockedDMChannel.cs

@@ -73,12 +73,12 @@ namespace Discord
             throw new NotImplementedException();
         }
 
-        public Task<IUserMessage> SendFileAsync(string filePath, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false)
+        public Task<IUserMessage> SendFileAsync(string filePath, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null)
         {
             throw new NotImplementedException();
         }
 
-        public Task<IUserMessage> SendFileAsync(Stream stream, string filename, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false)
+        public Task<IUserMessage> SendFileAsync(Stream stream, string filename, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null)
         {
             throw new NotImplementedException();
         }

test/Discord.Net.Tests.Unit/MockedEntities/MockedGroupChannel.cs

@@ -81,12 +81,12 @@ namespace Discord
             throw new NotImplementedException();
         }
 
-        public Task<IUserMessage> SendFileAsync(string filePath, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false)
+        public Task<IUserMessage> SendFileAsync(string filePath, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null)
         {
             throw new NotImplementedException();
         }
 
-        public Task<IUserMessage> SendFileAsync(Stream stream, string filename, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false)
+        public Task<IUserMessage> SendFileAsync(Stream stream, string filename, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null)
         {
             throw new NotImplementedException();
         }

test/Discord.Net.Tests.Unit/MockedEntities/MockedTextChannel.cs

@@ -167,12 +167,12 @@ namespace Discord
             throw new NotImplementedException();
         }
 
-        public Task<IUserMessage> SendFileAsync(string filePath, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false)
+        public Task<IUserMessage> SendFileAsync(string filePath, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null)
         {
             throw new NotImplementedException();
         }
 
-        public Task<IUserMessage> SendFileAsync(Stream stream, string filename, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false)
+        public Task<IUserMessage> SendFileAsync(Stream stream, string filename, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null)
         {
             throw new NotImplementedException();
         }