feat(additional-info): add more breaking changes (#1610)

Co-authored-by: Jiralite <[email protected]>

Author: sdanialraza

Diff for: guide/additional-info/updating-from-v14.md

@@ -14,6 +14,10 @@ Make sure you're using the latest LTS version of Node. To check your Node versio
 
 `ApplicationCommand#dmPermission` and `ApplicationCommand#setDMPermission()` have been removed. This was legacy functionality for commands—use contexts instead.
 
+### ApplicationCommandManager
+
+`ApplicationCommandManager#fetch()` method has been updated for consistency with other managers. Previously, it accepted two parameters: `id` (a snowflake or an options object) and an `options` object. Now, it only accepts a single `options` argument, which can be a snowflake or an options object that may include an `id` property.
+
 ### AnnouncementChannel
 
 `AnnouncementChannel#addFollower()` now returns `FollowedChannelData` instead of a snowflake. This helps to expose the created webhook id in the target channel.
@@ -24,6 +28,10 @@ Make sure you're using the latest LTS version of Node. To check your Node versio
 
 ### Client
 
+#### Emojis
+
+`Client#emojis` has been removed due to confusion with the introduction of application emojis and performance impact. Use the `resolveGuildEmoji()` utility function to get a cached guild emoji.
+
 #### Ping
 
 `Client#ping` has been added to replace the old `WebSocketManager#ping`. This will be `null` when the heartbeat from the gateway is yet to be received.
@@ -67,6 +75,10 @@ The underlying WebSocket behaviour has changed. In version 14, this was a non-br
 - [discordjs/discord.js#10420](https://github.com/discordjs/discord.js/pull/10420)
 - [discordjs/discord.js#10556](https://github.com/discordjs/discord.js/pull/10556)
 
+### ClientEvents
+
+`ClientEvents` type has been removed. Use `ClientEventTypes` instead. This change ensures consistency with the rest of the event types across the library.
+
 ### ClientOptions
 
 Removed `ClientOptions#shards` and `ClientOptions#shardCount` in favor of `ClientOptions#ws#shardIds` and `ClientOptions#ws#shardCount`.
@@ -135,6 +147,10 @@ emoji.imageURL();
 
 `Emoji#url` has been removed. To allow more granular control of the returned extension, Use `Emoji#imageURL()` instead.
 
+### EventEmitter
+
+`BaseClient`, `Shard`, `ShardingManager`, and `Collector` now extend `AsyncEventEmitter` instead of `EventEmitter`. This comes from [@vladfrangu/async_event_emitter](https://npmjs.com/package/@vladfrangu/async_event_emitter).
+
 ### Events
 
 - `Events.ShardError` has been removed.
@@ -160,6 +176,10 @@ This utility has been removed. Everything in this class is redundant as all meth
 
 Removed `Guild#shard` as WebSocket shards are now handled by @discordjs/ws.
 
+### GuildApplicationCommandManager
+
+`GuildApplicationCommandManager#fetch()` method has been updated for consistency with other managers. Previously, it accepted two parameters: `id` (a snowflake or an options object) and an `options` object. Now, it only accepts a single `options` argument, which can be a snowflake or an options object that may include an `id` property.
+
 ### GuildAuditLogs
 
 `GuildAuditLogsEntry.Targets.All` has been removed. It was not being used.
@@ -172,6 +192,10 @@ Removed `Guild#shard` as WebSocket shards are now handled by @discordjs/ws.
 
 `GuildChannelManager#addFollower()` now returns `FollowedChannelData` instead of a snowflake. This helps to expose the created webhook id in the target channel.
 
+### GuildMemberResolvable
+
+`GuildMemberResolvable` type has been removed. It was defined as `GuildMember | UserResolvable`, but `UserResolvable` already includes `GuildMember`. Use `UserResolvable` instead.
+
 ### MessageManager
 
 `MessageManager#crosspost()` has been moved to `GuildMessageManager`. This means it will no longer be exposed in `DMMessageManager`.