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Module changes
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* Admin-only `.set` command can now set non-existent config values
* The meetbot `.endmeeting` command now works properly
* Significant improvements made to RSS module
* The database structure for storing RSS feeds has been modified. The module
will attempt to migrate old data.
* Command syntax has changed in multiple ways
* `.rss` help is now available with more detailed information on usage.
* Module is overall better-behaved and less buggy
* Traceback can now be attached to a GitHub issue from Willie's logs
* GitHub module no longer puts "IRC" tag on issues it creates
* A `.listactions` command is added to allow actions to be listed before the
end of a meeting
* Dice now limits itself to 1000 dice, and output is cleaned up
* Willie now joins channels when invited
* Reddit module no longer gives an error if the submitter's account has been
deleted
* A new `.comments` feature allows optional comments on meetings, e.g. from
those muted in the channel
* `.xkcd` is more robust, and can now access the nth-latest comic
* calc module now uses an internal calculator, rather than the discontinued
iGoogle calculator
Core changes
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* Memory lock and unlock no longer cause errors
* Debugging target no longer needs to be a channel
* Whitespace can now be used in the command prefix
* Line numbers are given when modules fail to load
* Error messages are more consistent across core and modules
* Willie now retries joining channels if it fails initially
* SQLite is now the default and recommended database type
* MySQL remains supported; support may be dropped in a later version
* `MySQLdb` is no longer listed as a recommended dependency
* IRCv3 is now largely supported
* Willie can now authenticate with SASL
API changes
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* Modules can now provide a `shutdown()` function to clean up when the bot is
quitting or the module is reloading
* `web.get` and `web.post` can be told to limit how much they read from a URL,
to prevent malicious use
* A new `unblockable` decorator allows callables to be run even when triggered
by otherwise blocked users
* Willie can now connect over IPv6
* If the channel given to `bot.join` contains a space, the part after the space
will be used as the password
* IRCv3 is now largely supported
* Modules can now request capabilities from the server.
* Message tags, if enabled, can be read from `trigger.tags`