matterircd v0.27.0

New features

• mastodon: Add mastodon support (#500)

Enhancement

• general: Add support for syntax highlighted code blocks (#501)
• mastodon: Add support for posting on timeline (#503)
• mattermost: Remove backwards compatibility support of last saved at state (#444)
• mattermost: Add support for tilde fenced code blocks (#506)
• mattermost: Reduce extra call to Mattermost server for files link (#509)

Bugfix

• irc: Fix splitting of lines for ACTIONs (#499)
• irc: Ignore when our user status is "offline" (#504)
• irc: Ignore special channels (&users and &messages) (#507)
• irc: Remove unnecessary topic setting on channel join (#512)
• irc: Remove extra new lines showing in debug logging (#511)
• irc: Only remove from channel for channels we're in on channel_deleted
• irc: Set correct IRC PRIVMSG nick for file events too (#406)
• irc: Ensure colon present for empty messages per IRC protocol/spec (#517)
• irc: Only flip between away and online when actually away or not (#518)
• irc: Add basic support for syntax highlighting in code blocks (#515)
• mattermost: Remove support for mattermost 5
• mattermost: Handle replies to posts part of threadst
• mattermost: Reduce calls to Mattermost server by caching replies (#513)

This release couldn't exist without the following contributors:
@hloeung