diff --git a/src/client/actions/Action.js b/src/client/actions/Action.js
index f3968344f660..40b33b98c3d9 100644
--- a/src/client/actions/Action.js
+++ b/src/client/actions/Action.js
@@ -32,19 +32,15 @@ class GenericAction {
   }
 
   getChannel(data) {
+    const payloadData = { recipients: data.recipients ?? [data.author ?? data.user ?? { id: data.user_id }] };
     const id = data.channel_id ?? data.id;
+    if (id !== undefined) payloadData.id = id;
+    if ('guild_id' in data) payloadData.guild_id = data.guild_id;
+    if ('last_message_id' in data) payloadData.last_message_id = data.last_message_id;
+
     return (
       data[this.client.actions.injectedChannel] ??
-      this.getPayload(
-        {
-          id,
-          guild_id: data.guild_id,
-          recipients: [data.author ?? data.user ?? { id: data.user_id }],
-        },
-        this.client.channels,
-        id,
-        PartialTypes.CHANNEL,
-      )
+      this.getPayload(payloadData, this.client.channels, id, PartialTypes.CHANNEL)
     );
   }
 
diff --git a/src/client/websocket/handlers/GUILD_CREATE.js b/src/client/websocket/handlers/GUILD_CREATE.js
index acff7c28526b..5ba66a1b777c 100644
--- a/src/client/websocket/handlers/GUILD_CREATE.js
+++ b/src/client/websocket/handlers/GUILD_CREATE.js
@@ -8,6 +8,13 @@ module.exports = (client, { d: data }, shard) => {
     if (!guild.available && !data.unavailable) {
       // A newly available guild
       guild._patch(data);
+
+      /**
+       * Emitted whenever a guild becomes available.
+       * @event Client#guildAvailable
+       * @param {Guild} guild The guild that became available
+       */
+      client.emit(Events.GUILD_AVAILABLE, guild);
     }
   } else {
     // A new guild
diff --git a/src/structures/ClientApplication.js b/src/structures/ClientApplication.js
index cae8b6d704b3..88095e9f1adf 100644
--- a/src/structures/ClientApplication.js
+++ b/src/structures/ClientApplication.js
@@ -15,7 +15,7 @@ const Permissions = require('../util/Permissions');
  */
 
 /**
- * Represents a Client OAuth2 Application.
+ * Represents a client application.
  * @extends {Application}
  */
 class ClientApplication extends Application {
@@ -69,6 +69,26 @@ class ClientApplication extends Application {
       this.flags = new ApplicationFlags(data.flags).freeze();
     }
 
+    if ('approximate_guild_count' in data) {
+      /**
+       * An approximate amount of guilds this application is in.
+       * @type {?number}
+       */
+      this.approximateGuildCount = data.approximate_guild_count;
+    } else {
+      this.approximateGuildCount ??= null;
+    }
+
+    if ('guild_id' in data) {
+      /**
+       * The id of the guild associated with this application.
+       * @type {?Snowflake}
+       */
+      this.guildId = data.guild_id;
+    } else {
+      this.guildId ??= null;
+    }
+
     if ('cover_image' in data) {
       /**
        * The hash of the application's cover image
@@ -120,6 +140,15 @@ class ClientApplication extends Application {
       : this.owner ?? null;
   }
 
+  /**
+   * The guild associated with this application.
+   * @type {?Guild}
+   * @readonly
+   */
+  get guild() {
+    return this.client.guilds.cache.get(this.guildId) ?? null;
+  }
+
   /**
    * Whether this application is partial
    * @type {boolean}
@@ -134,8 +163,8 @@ class ClientApplication extends Application {
    * @returns {Promise<ClientApplication>}
    */
   async fetch() {
-    const app = await this.client.api.oauth2.applications('@me').get();
-    this._patch(app);
+    const data = await this.client.api.applications('@me').get();
+    this._patch(data);
     return this;
   }
 
diff --git a/src/structures/ClientPresence.js b/src/structures/ClientPresence.js
index 04ccce6e4553..0a1e45c16719 100644
--- a/src/structures/ClientPresence.js
+++ b/src/structures/ClientPresence.js
@@ -49,11 +49,18 @@ class ClientPresence extends Presence {
     if (activities?.length) {
       for (const [i, activity] of activities.entries()) {
         if (typeof activity.name !== 'string') throw new TypeError('INVALID_TYPE', `activities[${i}].name`, 'string');
-        activity.type ??= 0;
+
+        activity.type ??= ActivityTypes.PLAYING;
+
+        if (activity.type === ActivityTypes.CUSTOM && !activity.state) {
+          activity.state = activity.name;
+          activity.name = 'Custom Status';
+        }
 
         data.activities.push({
           type: typeof activity.type === 'number' ? activity.type : ActivityTypes[activity.type],
           name: activity.name,
+          state: activity.state,
           url: activity.url,
         });
       }
@@ -62,6 +69,7 @@ class ClientPresence extends Presence {
         ...this.activities.map(a => ({
           name: a.name,
           type: ActivityTypes[a.type],
+          state: a.state ?? undefined,
           url: a.url ?? undefined,
         })),
       );
diff --git a/src/structures/ClientUser.js b/src/structures/ClientUser.js
index 61e2522e7def..4af22b74baad 100644
--- a/src/structures/ClientUser.js
+++ b/src/structures/ClientUser.js
@@ -96,7 +96,8 @@ class ClientUser extends User {
   /**
    * Options for setting activities
    * @typedef {Object} ActivitiesOptions
-   * @property {string} [name] Name of the activity
+   * @property {string} name Name of the activity
+   * @property {string} [state] State of the activity
    * @property {ActivityType|number} [type] Type of the activity
    * @property {string} [url] Twitch / YouTube stream URL
    */
@@ -147,7 +148,7 @@ class ClientUser extends User {
   /**
    * Options for setting an activity.
    * @typedef {Object} ActivityOptions
-   * @property {string} [name] Name of the activity
+   * @property {string} name Name of the activity
    * @property {string} [url] Twitch / YouTube stream URL
    * @property {ActivityType|number} [type] Type of the activity
    * @property {number|number[]} [shardId] Shard Id(s) to have the activity set on
@@ -155,7 +156,7 @@ class ClientUser extends User {
 
   /**
    * Sets the activity the client user is playing.
-   * @param {string|ActivityOptions} [name] Activity being played, or options for setting the activity
+   * @param {string|ActivityOptions} name Activity being played, or options for setting the activity
    * @param {ActivityOptions} [options] Options for setting the activity
    * @returns {ClientPresence}
    * @example
diff --git a/src/structures/MessageAttachment.js b/src/structures/MessageAttachment.js
index 4be74c8f44c7..bf5f345ebbe6 100644
--- a/src/structures/MessageAttachment.js
+++ b/src/structures/MessageAttachment.js
@@ -1,5 +1,6 @@
 'use strict';
 
+const AttachmentFlags = require('../util/AttachmentFlags');
 const Util = require('../util/Util');
 
 /**
@@ -169,6 +170,16 @@ class MessageAttachment {
     } else {
       this.waveform ??= null;
     }
+
+    if ('flags' in data) {
+      /**
+       * The flags of this attachment
+       * @type {Readonly<AttachmentFlags>}
+       */
+      this.flags = new AttachmentFlags(data.flags).freeze();
+    } else {
+      this.flags ??= new AttachmentFlags().freeze();
+    }
   }
 
   /**
diff --git a/src/structures/Role.js b/src/structures/Role.js
index 446a5947ee5c..b4e85b815f5d 100644
--- a/src/structures/Role.js
+++ b/src/structures/Role.js
@@ -4,6 +4,7 @@ const process = require('node:process');
 const Base = require('./Base');
 const { Error } = require('../errors');
 const Permissions = require('../util/Permissions');
+const RoleFlags = require('../util/RoleFlags');
 const SnowflakeUtil = require('../util/SnowflakeUtil');
 
 let deprecationEmittedForComparePositions = false;
@@ -142,6 +143,16 @@ class Role extends Base {
         this.tags.guildConnections = true;
       }
     }
+
+    if ('flags' in data) {
+      /**
+       * The flags of this role
+       * @type {Readonly<RoleFlags>}
+       */
+      this.flags = new RoleFlags(data.flags).freeze();
+    } else {
+      this.flags ??= new RoleFlags().freeze();
+    }
   }
 
   /**
diff --git a/src/util/AttachmentFlags.js b/src/util/AttachmentFlags.js
new file mode 100644
index 000000000000..fa94351566aa
--- /dev/null
+++ b/src/util/AttachmentFlags.js
@@ -0,0 +1,38 @@
+'use strict';
+
+const BitField = require('./BitField');
+
+/**
+ * Data structure that makes it easy to interact with an {@link GuildMember#flags} bitfield.
+ * @extends {BitField}
+ */
+class AttachmentFlags extends BitField {}
+
+/**
+ * @name AttachmentFlags
+ * @kind constructor
+ * @memberof AttachmentFlags
+ * @param {BitFieldResolvable} [bits=0] Bit(s) to read from
+ */
+
+/* eslint-disable max-len */
+/**
+ * Numeric guild member flags. All available properties:
+ * * `IS_REMIX`
+ * @type {Object}
+ * @see {@link https://discord.com/developers/docs/resources/channel#attachment-object-attachment-structure-attachment-flags}
+ */
+AttachmentFlags.FLAGS = {
+  IS_REMIX: 1 << 2,
+};
+
+/**
+ * Data that can be resolved to give a guild attachment bitfield. This can be:
+ * * A string (see {@link AttachmentFlags.FLAGS})
+ * * A attachment flag
+ * * An instance of AttachmentFlags
+ * * An Array of AttachmentFlagsResolvable
+ * @typedef {string|number|AttachmentFlags|AttachmentFlagsResolvable[]} AttachmentFlagsResolvable
+ */
+
+module.exports = AttachmentFlags;
diff --git a/src/util/Constants.js b/src/util/Constants.js
index 5a293dcfaeb9..ec94567d9603 100644
--- a/src/util/Constants.js
+++ b/src/util/Constants.js
@@ -183,6 +183,7 @@ exports.Opcodes = {
  * * AUTO_MODERATION_RULE_CREATE: autoModerationRuleCreate
  * * AUTO_MODERATION_RULE_DELETE: autoModerationRuleDelete
  * * AUTO_MODERATION_RULE_UPDATE: autoModerationRuleUpdate
+ * * GUILD_AVAILABLE: guildAvailable
  * * GUILD_CREATE: guildCreate
  * * GUILD_DELETE: guildDelete
  * * GUILD_UPDATE: guildUpdate
@@ -267,6 +268,7 @@ exports.Events = {
   AUTO_MODERATION_RULE_CREATE: 'autoModerationRuleCreate',
   AUTO_MODERATION_RULE_DELETE: 'autoModerationRuleDelete',
   AUTO_MODERATION_RULE_UPDATE: 'autoModerationRuleUpdate',
+  GUILD_AVAILABLE: 'guildAvailable',
   GUILD_CREATE: 'guildCreate',
   GUILD_DELETE: 'guildDelete',
   GUILD_UPDATE: 'guildUpdate',
diff --git a/src/util/RoleFlags.js b/src/util/RoleFlags.js
new file mode 100644
index 000000000000..41e38ba3e8d3
--- /dev/null
+++ b/src/util/RoleFlags.js
@@ -0,0 +1,37 @@
+'use strict';
+
+const BitField = require('./BitField');
+
+/**
+ * Data structure that makes it easy to interact with an {@link GuildMember#flags} bitfield.
+ * @extends {BitField}
+ */
+class RoleFlags extends BitField {}
+
+/**
+ * @name RoleFlags
+ * @kind constructor
+ * @memberof RoleFlags
+ * @param {BitFieldResolvable} [bits=0] Bit(s) to read from
+ */
+
+/**
+ * Numeric guild member flags. All available properties:
+ * * `IN_PROMPT`
+ * @type {Object}
+ * @see {@link https://discord.com/developers/docs/topics/permissions#role-object-role-flags}
+ */
+RoleFlags.FLAGS = {
+  IN_PROMPT: 1 << 0,
+};
+
+/**
+ * Data that can be resolved to give a role flag bitfield. This can be:
+ * * A string (see {@link RoleFlags.FLAGS})
+ * * A role flag
+ * * An instance of RoleFlags
+ * * An Array of RoleFlagsResolvable
+ * @typedef {string|number|RoleFlags|RoleFlagsResolvable[]} RoleFlagsResolvable
+ */
+
+module.exports = RoleFlags;
diff --git a/typings/index.d.ts b/typings/index.d.ts
index 810ecf5ec651..2317322e2d70 100644
--- a/typings/index.d.ts
+++ b/typings/index.d.ts
@@ -677,11 +677,14 @@ export class Client<Ready extends boolean = boolean> extends BaseClient {
 
 export class ClientApplication extends Application {
   private constructor(client: Client, data: RawClientApplicationData);
+  public approximateGuildCount: number | null;
   public botPublic: boolean | null;
   public botRequireCodeGrant: boolean | null;
   public commands: ApplicationCommandManager;
   public cover: string | null;
   public flags: Readonly<ApplicationFlags>;
+  public guildId: Snowflake | null;
+  public readonly guild: Guild | null;
   public tags: string[];
   public installParams: ClientApplicationInstallParams | null;
   public customInstallURL: string | null;
@@ -708,7 +711,7 @@ export class ClientUser extends User {
   public verified: boolean;
   public edit(data: ClientUserEditData): Promise<this>;
   public setActivity(options?: ActivityOptions): ClientPresence;
-  public setActivity(name: string, options?: ActivityOptions): ClientPresence;
+  public setActivity(name: string, options?: Omit<ActivityOptions, 'name'>): ClientPresence;
   public setAFK(afk?: boolean, shardId?: number | number[]): ClientPresence;
   public setAvatar(avatar: BufferResolvable | Base64Resolvable | null): Promise<this>;
   public setPresence(data: PresenceData): ClientPresence;
@@ -1569,27 +1572,27 @@ export class LimitedCollection<K, V> extends Collection<K, V> {
   public static filterByLifetime<K, V>(options?: LifetimeFilterOptions<K, V>): SweepFilter<K, V>;
 }
 
-export type MessageCollectorOptionsParams<T extends MessageComponentTypeResolvable, Cached extends boolean = boolean> =
-  | {
-      componentType?: T;
-    } & MessageComponentCollectorOptions<MappedInteractionTypes<Cached>[T]>;
+export type MessageCollectorOptionsParams<
+  T extends MessageComponentTypeResolvable,
+  Cached extends boolean = boolean,
+> = {
+  componentType?: T;
+} & MessageComponentCollectorOptions<MappedInteractionTypes<Cached>[T]>;
 
 export type MessageChannelCollectorOptionsParams<
   T extends MessageComponentTypeResolvable,
   Cached extends boolean = boolean,
-> =
-  | {
-      componentType?: T;
-    } & MessageChannelComponentCollectorOptions<MappedInteractionTypes<Cached>[T]>;
+> = {
+  componentType?: T;
+} & MessageChannelComponentCollectorOptions<MappedInteractionTypes<Cached>[T]>;
 
 export type AwaitMessageCollectorOptionsParams<
   T extends MessageComponentTypeResolvable,
   Cached extends boolean = boolean,
-> =
-  | { componentType?: T } & Pick<
-      InteractionCollectorOptions<MappedInteractionTypes<Cached>[T]>,
-      keyof AwaitMessageComponentOptions<any>
-    >;
+> = { componentType?: T } & Pick<
+  InteractionCollectorOptions<MappedInteractionTypes<Cached>[T]>,
+  keyof AwaitMessageComponentOptions<any>
+>;
 
 export interface StringMappedInteractionTypes<Cached extends CacheType = CacheType> {
   BUTTON: ButtonInteraction<Cached>;
@@ -1712,6 +1715,7 @@ export class MessageAttachment {
   public description: string | null;
   public duration: number | null;
   public ephemeral: boolean;
+  public flags: Readonly<AttachmentFlags>;
   public height: number | null;
   public id: Snowflake;
   public name: string | null;
@@ -1728,6 +1732,13 @@ export class MessageAttachment {
   public toJSON(): unknown;
 }
 
+export class AttachmentFlags extends BitField<AttachmentFlagsString> {
+  public static FLAGS: Record<AttachmentFlagsString, number>;
+  public static resolve(bit?: BitFieldResolvable<AttachmentFlagsString, number>): number;
+}
+
+export type AttachmentFlagsString = 'IS_REMIX';
+
 export class MessageButton extends BaseMessageComponent {
   public constructor(data?: MessageButton | MessageButtonOptions | APIButtonComponent);
   public customId: string | null;
@@ -2156,6 +2167,7 @@ export class Role extends Base {
   /** @deprecated This will be removed in the next major version, see https://github.com/discordjs/discord.js/issues/7091 */
   public deleted: boolean;
   public readonly editable: boolean;
+  public flags: Readonly<RoleFlags>;
   public guild: Guild;
   public readonly hexColor: HexColorString;
   public hoist: boolean;
@@ -2191,6 +2203,13 @@ export class Role extends Base {
   public static comparePositions(role1: Role, role2: Role): number;
 }
 
+export class RoleFlags extends BitField<RoleFlagsString> {
+  public static FLAGS: Record<RoleFlagsString, number>;
+  public static resolve(bit?: BitFieldResolvable<RoleFlagsString, number>): number;
+}
+
+export type RoleFlagsString = 'IN_PROMPT';
+
 export class SelectMenuInteraction<Cached extends CacheType = CacheType> extends MessageComponentInteraction<Cached> {
   public constructor(client: Client, data: RawMessageSelectMenuInteractionData);
   public readonly component: CacheTypeReducer<
@@ -3224,7 +3243,7 @@ export abstract class DataManager<K, Holds, R> extends BaseManager {
 }
 
 export abstract class CachedManager<K, Holds, R> extends DataManager<K, Holds, R> {
-  protected constructor(client: Client, holds: Constructable<Holds>);
+  protected constructor(client: Client, holds: Constructable<Holds>, iterable?: Iterable<Holds>);
   private readonly _cache: Collection<K, Holds>;
   private _add(data: unknown, cache?: boolean, { id, extras }?: { id: K; extras: unknown[] }): Holds;
 }
@@ -3795,9 +3814,10 @@ export type ActivityFlagsString =
 export type ActivitiesOptions = Omit<ActivityOptions, 'shardId'>;
 
 export interface ActivityOptions {
-  name?: string;
+  name: string;
+  state?: string;
   url?: string;
-  type?: ExcludeEnum<typeof ActivityTypes, 'CUSTOM'>;
+  type?: ActivityType;
   shardId?: number | readonly number[];
 }
 
@@ -4582,6 +4602,7 @@ export interface ClientEvents extends BaseClientEvents {
   emojiDelete: [emoji: GuildEmoji];
   emojiUpdate: [oldEmoji: GuildEmoji, newEmoji: GuildEmoji];
   error: [error: Error];
+  guildAvailable: [guild: Guild];
   guildBanAdd: [ban: GuildBan];
   guildBanRemove: [ban: GuildBan];
   guildCreate: [guild: Guild];
@@ -4848,6 +4869,7 @@ export interface ConstantsEvents {
   AUTO_MODERATION_RULE_CREATE: 'autoModerationRuleCreate';
   AUTO_MODERATION_RULE_DELETE: 'autoModerationRuleDelete';
   AUTO_MODERATION_RULE_UPDATE: 'autoModerationRuleUpdate';
+  GUILD_AVAILABLE: 'guildAvailable';
   GUILD_CREATE: 'guildCreate';
   GUILD_DELETE: 'guildDelete';
   GUILD_UPDATE: 'guildUpdate';
@@ -5786,6 +5808,7 @@ export interface MessageActivity {
 }
 
 export interface BaseButtonOptions extends BaseMessageComponentOptions {
+  type: 'BUTTON' | MessageComponentTypes.BUTTON;
   disabled?: boolean;
   emoji?: EmojiIdentifierResolvable;
   label?: string;