Remove use of get_lock which is unsupported in galera clustering, and causes errors in Percona XtraDB Cluster.
Improve reliability of updating forum's last post so it doesn't sometimes include very old threads
Fix deleting a post in a thread not updating the forum last post
Fix Out of range value for column 'discussion_count' error
Tweak SQL to ensure forum last post stats updates as expected.
Note; by design the last post may not update all the time, but on average isn't noticeable on a active forum.
Report Improvement's logging reply-bans to reports compatibility
Preserve original ordering of closures when pushing functions out of a transaction
Hoist updating forum counters out of the new post/add reply transaction. Relaxes updates;
removing a thread will not re-populate the last updated post
moving a thread out of an empty forum has a race condition between the thread saving and the forum counters updating
Forum counters are atomically incremented outside of a large transaction, and atomically conditionally updating the last post via SQL instead of read-mutate-update datawriter cycle
Always defer user alerts inside a known DataWriter transaction to after that transaction.
Support profile post/profile post comment/threadmarks
Revert previous attempt at preventing Like deadlocks.
Allow Likes to retry once in case of a deadlock.
Tweak how user alerts counter is incremented to reduce chance of a deadlock by touching less data.
Remove the use of LOCK FOR UPDATE on thread select when deleting. Instead use Post Delete Time Limit add-on to restrict, independent of edit-times, for how old a post can be and still be deleted.
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