• Overhaul voice support for 1-on-1 and group calls
• Add LiveServer::permissions_for to calculate member permissions
• Allow disabling voice support using Cargo features
• Move member sync methods to Connection rather than State
• Cleanly disconnect in Connection::shutdown
• Store discriminators as u16 rather than String
• Implement Display for ID types, printing just the number
• Change Error::Closed to contain a decoded String
• Discord changes
  • Reaction support
  • Remove xkcdpass from invites
  • Add message pinning events
  • Add permissions: administrator, external emojis, add reaction, manage webhooks
  • Implement guild sharding and gateway v6
  • Implement Discord's official rate limit handling
  • Compression support in READY and GUILD_CREATE
  • Message delete bulk event
  • More fields in UserSettings
• Rest API additions
  • create_permission, delete_permission
  • get_application_info
  • get_server_channels
  • get_unresolved_incidents
  • suggested_shard_count
• Update version of various dependencies

• Natively support auto-reconnection and resuming the previous session
• Add utility methods to generate mentions for users, roles, and channels
• Fix errors relating to missing read_state
• Fix current voice channel going out of sync when forcibly moved
• Replace Event::Closed with Error::Closed, with more information and better structure
• Model support for:
  • Unavailable servers
  • Nicknames
  • Role mentionability
  • "Now streaming" presences
  • Pinned messages
  • User notes
  • 2FA information
  • Existing fields now present on Server
• Expand capabilities of edit_server: owner, verification level, and splash
• New REST wrappers:
  • Server prune
  • Get active and upcoming maintenances
  • Get server member
  • Pin and unpin messages
  • Get messages around a specific message
  • Delete messages in bulk
  • Edit user notes

Thanks to @taiyaeix and @nstafie for their contributions to this release.

• New constructor Discord::from_bot_token for bot accounts
• Errors decoding optional fields are no longer silently ignored
• The ID types now wrap u64s instead of Strings
• Voice overhaul
  • Stereo support
  • Voice receive support
  • Encrypted voice support
  • Multi-server voice support
  • State is retained even if connection is lost
  • New examples: dj and voice_receive
• Rest API additions
  • get_voice_regions, move_member_voice
  • get_servers, get_bans, add_ban, remove_ban
  • send_file
  • edit_member_roles, kick_member
  • edit_server, edit_profile (use read_image for avatars)
  • create_invite, get_server_invites, get_channel_invites
  • create_server now has an icon parameter
• Various model updates for new and changed Discord functionality

• Simplified voice module API and added youtube-dl support.
• Added Discord::new_cache which will cache and reuse past login tokens. Use is recommended.
• Improved error handling, with better messages and more descriptive entries in the Error enum:
  • Error::Status now also contains the json response describing the error.
  • Error::RateLimited added, including how long to wait before retrying.
  • Error::Protocol added for protocol misunderstandings.
• Updated for protocol changes:
  • Removed mentions array from send_message and edit_message.
  • Removed UserSettings::muted_channels, added instead UserServerSettings.
  • Added PublicChannel::bitrate field.
  • Added LiveServer::verification_level and member_count, Server::verification_level, and removed Server::joined_at.
• Added REST endpoints:
  • create/leave/delete server
  • get/accept/delete invite
  • edit channel

• Added User-Agent header to the library's requests, per official recommendation.
• Changed from game_id to freeform game names in accordance with API changes.

• Added initial voice transmission support, including queuing and ffmpeg support.
• Changed from println! to using the log crate for logging.
• Added UserSettings to the model, events, and state tracking.
• Added support for gateway migration.
• Added REST endpoints:
  • get message log
  • edit/delete/acknowledge message
  • create/get private channel
  • get user avatar

• Basic REST support:
  • login/logout
  • create/edit/delete channel
  • send message
  • broadcast typing
• Basic websocket event support:
  • connect, set game id, and poll for events
  • ready, user update, voice state update
  • typing start, presence update
  • message create/update/ack/delete
  • server create/update/delete
  • member add/update/remove
  • role create/update/delete
  • channel create/update/delete
• State tracking for websocket events.