Release 2.17.3

Security

• #931 (thanks @abhayclasher for responsibly disclosing this)

Bug Fixes

• #928
• #916 (thanks @Guyuepp)
• #923 (thanks @alexanderadam)
• #918
• #926

Misc

• #917
• #920 (thanks @majian159)
• #925
• Dropped relay endpoint (94c3645)

👀 Additional notes

• @moritz-grimm unveiled a bug related to custom language mappings. You might have to regenerate your summaries to retroactively fix existing data (go to Settings -> Danger Zone -> Regenerate summaries).
• On large instances, the database migration running as a consequence of #928 might take a while (couple of minutes) - be patient.