I'll be tagging the 2.2.0 Release Candidate tomorrow afternoon CET.
There are a few bugs targeted for 2.2.0 that are still open.
This one has a 'ripe' patch, please commit soon:
bug #15332: missing initialization in send_city_info_at_tile() (found
These have patches written today. Getting them into 2.2.0 would mean
bending our 36h policy a bit. Can we re-target them to 2.2.1?
bug #15323: server crash in tile_city() at common/tile.c:76
bug #15336: Client allows observers to (try) initiate meeting
bug #15346: SDL client can't store display settings for high-resolution monitors
bug #15348: fix loading of migration from savegame
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