8.2.0

• Gateway v6 support
• Emoji support
• Webhook support
• .toObject() support for structures
• Fix checks for Administrator permission
• Bot token detection
• Various crash fixes
• Various voice fixes

9.3.0

Additions

• Message sweeping functionality, so messages can be cleared from the caches after a specified time, in addition to the current max limit (afc8e5b, 9503990, 8f1bc5e, 6075ec0, e5bac13)
  • ClientOptions.message_cache_lifetime/message_sweep_interval
  • Client.sweepMessages to manually sweep
• Sharding manager features
  • Automatically respawns shards that exit (fc9d049, 063be5c)
  • Shard.send to send a message to a shard (edd174a, b795ed8)
  • ShardingManager.broadcast to send messages to all shards (edd174a, b795ed8)
  • Shard.fetchClientValue to get a client property value from a shard (1008f60)
  • ShardingManager.fetchClientValues to get a client property value from all shards (1008f60)
  • Shard.eval to eval code on a shard (e4f416a, 1008f60)
  • ShardingManager.broadcastEval to eval code on all shards (e4f416a, 1008f60)
  • ShardingManager.spawn delay parameter (7f652f7)
• Exports for all structures, so that you can use instanceof. There is probably no reason to ever instantiate these yourself. (221fc7a, c5982b0, f3bab30)
• version export (require('discord.js').version) (ec6453a, cdf3136)
• Client#disconnect event (7cb2e8e)
• Collection.reduce (84b33f9)
• Collection.keyArray/firstKey/lastKey/randomKey (ac85ffc)
• Guild.voiceConnection and VoiceChannel.connection (420f2ec, a27f6c9, e9a7a06)
• Message.editCode (46d7ded)
• Message.editable/deletable/pinnable (bbddfef)
• Guild.pruneMembers (15d7f8e)
• GuildMember.highestRole (b8e3094, 1268653)
• GuildMember.kickable/bannable (b8e3094)
• Role.mentionable (529d720)
• Role.members (46c28c0)
• Invite.url/toString (0bd00b1)
• TextBasedChannel.sendCode without a language (862ec6a, 136cf66)
• ClientDataResolver.resolveUserID (bbddfef)

Fixes

• Timeouts are leaked extremely heavily, and intervals occasionally - main source of massive memory leaks - the more guilds a bot has, the worse this gets (7d86676)
• VoiceConnection leaks Client#voiceStateUpdate listeners (6f7deba, 0559aaf, 5a9753e)
• Guild.ban/unban do not function with IDs of users that aren't cached (6c6da43)
• Userbots can't set avatar or username (#697, #700, fbcea23, 9308d2e)
• Various Guild properties get set to undefined (718f61a)
• GuildMember.nickname gets set to undefined (#703, 7957bc8)
• channelCreate is emitted twice (#698, f7e89f6)
• TextBasedChannel.sendCode breaks when content contains codeblock characters (0405b1a)
• Split messages may not reject on failure (2553117)
• User.equals not functioning properly (#701, 69f947d)
• Default permissions no longer accurate (74b9e5d)
• ClientDataResolver.resolveFile fails horribly on nonexistent files (#717, a2778d4)
• VoiceConnection.playConvertedStream does nothing (f383c78)
• Message.cleanContent errors in DMs/Group DMs (#725, fa18b0c)
• Comply before new rate-limit stuff (yet again, it changed) (aef0b83)
• Login now rejects if we can't log in (bd1449b)

9.2.0

Additions

• burst request mode, see this issue (#656, e75dd26)
• MessageOptions.split to split long messages into multiple messages within the character limit (#653, 7da00cf)
• StreamDispatcher.time and StreamDispatcher.totalStreamTime (#674, 8c0685f)
• StreamDispatcher#start event (8f1216d)
• VoiceReceiver.destroy/recreate (95369b0)
• Client.fetchInvite (3dab19a)
• TextChannel.members to see which members can see the channel (#670, c6aa162)
• User.typingIn/typingDurationIn/typingSinceIn (c405d67, 5dd25ac)
• EvaluatedPermissions.raw (#682, 6887977)
• EvaluatedPermissions.hasPermissions (7933d75)
• Role.hasPermissions (38c85dc)
• GuildMember.hasPermissions (9e05cae, ebaaa65, 774b4d4)
• GuildMember.permissionsIn (3fba721)
• TextBasedChannel.sendCode (#625, 7ff9ac2)
• Collection.find with a function parameter (ac1f5f3)
• Collection.findKey (9560586)
• Message.toString (ce6cb62)
• ChannelResolvables now accept Guild and Message objects (3fba721)

Fixes

• Preemptive rate-limiting is now stricter to avoid unlikely 429s (8941157, d7bf40c)
• Potential error when Discord sends a typing event for a non-text-based channel (fd56417)
• DMChannel doesn't cache the recipient user (3f52ba2)
• GuildMember.hasPermission doesn't take guild ownership into account (3e39861)
• Member nicknames don't get updated (48f84c6)
• Avatars being set to undefined (5b8f882, f0a9a13)
• guildMemberAdd triggers for presence updates where members were not previously cached (#684, af33b2b)
• Voice problems:
  • "Stream not generating fast enough" (#680, 77e83fb)
  • ECONNRESETs (#650, 77e83fb, b39d959)
  • Mono streams play at 2x rate (#689, 02b257e)
• User properties sometimes randomly get unset (f0a9a13)

9.1.1

Fixes

• Members are recreated after leaving/being kicked from a guild (#667, 84fe65e)
• guildMemberAdd is fired for each member in a guild upon instantiation (#668, 9b45294)
• There is a delay between playing audio streams (#632, f192d16)
• Multi-part data when sending files breaks (#675, 4255dcd)
• Audio streams play at an abnormal rate after pause/resumes, and also play abnormally fast when starting (#672, 0d417b6)

9.1.0

Additions

• Collection and Shard exports for external use (799054d)
• Collection.some/every, and improved .filter/map (594836b)
• Client.emojis (bcab880)
• Client.status to get the websocket status (6dfe160)
• ClientOptions/MessageOptions.disable_everyone to prevent accidental mentions (3b7d5e8)
• ClientUser.setStatus streaming URL parameter (db9d5b8)
• TextBasedChannel.fetchMessage to fetch a single message (48e7fad)
• TextBasedChannel.sendFile content parameter (9888cef)
• TextBasedChannel.sendMessage and Message.edit with arrays for the content (automatically joined with newlines) (9f0db9d, f328640)
• Message.cleanContent with mentions replaced by plain text (9bef99c, bbc9df0)
• Message.isMentioned (bf3c283)
• Message.edits with a history of all edits (17bee80)
• MessageEmbedAuthor (bd113ee)
• Guild.fetchMember to retrieve a single guild member (user must be cached first) (c7b4cf3, 465ff07)
• Guild.defaultChannel (9bdf670)
• Guild.ban to ban a non-member (9d694d2)
• Guild.createRole data parameter to create a role and immediately update it with the given data (e1bda86)
• GuildMember.addRole/addRoles/removeRole/removeRoles (dc7b070)
• GuildMember.permissions and GuildMember.hasPermission for the permissions of a member with their roles only (57acd4f)
• Channel/Emoji/Guild/Role/User.creationDate (943767d, 7fea0a3)
• StreamOptions for various voice methods (f7a542f)
• Improved ShardingManager (2c6b804)
• Made the client property on most structures non-enumerable, so it won't display in console.log or util.inspect
• Loads of internal organisation and cleanup
• Lots of documentation updates

Fixes

• fetch_all_members doesn't work for newly joined guilds (b9caa2e)
• max_message_cache default doesn't match the docs (7fe032c)
• User.bot is inaccurate (#657, 85fae72)
• User.game is not reset when a user stops playing (#666, dbaaa8d)
• Role.edit always throws an error (ab4707f)
• @everyone permission overwrites not being taken into account (978cf9d)
• Potential issue when guild members are updated (8f04fae)
• EPIPE error when skipping songs (#635, 47a164b)
• Handle WS error events silently (#607, dd62389)

9.0.2

Library completely rewritten, please see documentation for upgrading advice.

8.1.0

Additions:

• Preemptive ratelimiting (prevents most 429 IP bans unless you have a lot of shards)
• Added support for notes
• Added support for message pinning
• Added support for getting a single message (for OAuth bot accounts only)
• Added more detailed error messages when closing gateway connections
• Added voiceSpeaking event
• Added tonicdev support
• Added support for getting details on an OAuth app (bot account must be owner or member of the app)

Fixes:

• Fixed a bug where some voice states wouldn't update
• Fixed some more voice crashes
• Fixed some game changes not firing presence updates
• Fixed crash bugs
• Fixed Discord.Constants export bug
• Fixed removal of Cache items
• Fixed editing channels

Misc:

• Documentation fixes
• Documentation page for examples
• Enabled autoReconnect by default

8.0.0

Additions:

• Added support for nicknames
• Added support for role and channel mentions
• Added support for Twitch/YouTube stream games
• Added support for ADMINISTRATOR, CHANGE_NICKNAME, and MANAGE_NICKNAMES permissions
• Added support for bulk delete
• Added error event to VoiceConnection
• Added guildCreateTimeout for slow internets
• Added voice connection timeout
• Added support for voice channel bitrates and user limits
• Added Message.server (shortcut to Message.channel.server)
• Added permissionsOf(role) support
• Added createdAt properties to some objects with IDs
• Added voiceSwitch event
• Added disableEveryone option
• Added /tmp to possible TokenCacher directories

Fixes:

• Fixed friends-related crashes
• Fixed permissionsOf crash
• Fixed sendFile content resolution
• Fixed autoReconnect loop
• Fixed selfbots blocking mobile push notifications
• Fixed incorrect documentation
• Fixed incorrect role data
• Fixed old references to self_mute/self_deaf
• Fixed invalid cache data crash
• Fixed invalid server member data crash
• Fixed permissionsOf calculation errors
• Fixed lastMessageID not being updated
• Fixed mention resolver crash
• Fixed user avatar updates
• Fixed some roles being null
• Fixed playArbitraryFFmpeg
• Fixed UDP close errors on VoiceConnection
• Fixed incorrect bot properties
• Fixed some zombie FFmpeg proccesses
• Fixed leaving servers
• Fixed incorrect server data
• Fixed updateChannel sending invalid data
• Fixed logout for bot accounts
• Fixed potential binary crash while joining voice channels

Misc:

• Upgraded some dependencies
• messageUpdated now fires even if the original message is not found

7.0.1

Additions:

• Added sending file via sendMessage
• Added updateServer
• Added autoReconnect

Fixes:

• Fixed ratelimiter
• Fixed incorrect documentation
• Fixed sendFile
• Fixed voice state update crash

7.0.0

Additions/Changes:

• Basic support for new OAuth bot accounts
  • Login via loginWithToken(INSERT_OAUTH_BOT_TOKEN_HERE)
  • Public bots (bots that can be invited to other servers) must be converted to OAuth bot accounts by May 1st
• Friends support (OAuth bots can't have friends though)
• Encrypted voice support
• Pause/resume voice stream support
• Muting/deafening/unmuting/undeafening users support

Fixes:

• High CPU usage fix
• Potential playXXX() error fix
• Voice volume fixes
• Some voice error fixes
• Node 0.12 crash fix
• Fixed forceFetch for guild stream (ready will take much longer though, thanks Discord Devs)
• Fixed overwritePermissions wiping existing permissions