6.4.21 (#1650)

- Show last usage timestamp of OMEMO keys
IOS_ONLY - Use the iOS 18 UI in the share sheet
IOS_ONLY - Allow using any language in the Display Name field in account
settings
- Try to improve location sharing accuracy
- Improve contact last activity timestamps
- Fix several bugs

6.4.21-rc1 (#1644)

- Show last usage timestamp of OMEMO keys
IOS_ONLY - Use the iOS 18 UI in the share sheet
IOS_ONLY - Allow using any language in the Display Name field in account
settings
- Try to improve location sharing accuracy
- Improve contact last activity timestamps
- Fix several bugs

6.4.20 (#1621)

IOS_ONLY - Fixed speaker not turning on for video calls on some devices
- Now forcing SASL2+SCRAM for yax.im (already forced for
conversations.im)
- Fixed display of messages containing a list of urls
- Fixed crash when receiving files with too long filenames
- Fixed rare case not connecting to a server after bringing the app from
foreground to background too fast
- Fixed rare OMEMO devicelist publishing loop (thanks renegade)
- Fixed list of contacts in share sheet to not contain contacts only
known from groupchats (thanks Kati)
- Fixed very rare OMEMO identity regeneration when receiving a push
after device reboot but before entering the passcode for the first time
- Notes about new/deleted OMEMO devices of chat partners aren't
displayed anymore for TOFU devices (no device explicitly
trusted/untrusted by the user)
- Fixed some more small bugs

6.4.20-rc2 (#1623)

- Fixed even more small bugs

6.4.20-rc1 (#1622)

- Fixed speaker not turning on for video calls on some devices
- Fixed some more small bugs

6.4.20-b1 (#1620)

- Now forcing SASL2+SCRAM for yax.im (already forced for
conversations.im)
- Fixed display of messages containing a list of urls
- Fixed crash when receiving files with too long filenames
- Fixed rare case not connecting to a server after bringing the app from
foreground to background too fast
- Fixed rare OMEMO devicelist publishing loop (thanks renegade)
- Fixed list of contacts in share sheet to not contain contacts only
known from groupchats (thanks Kati)
- Fixed very rare OMEMO identity regeneration when receiving a push
after device reboot but before entering the passcode for the first time
- Notes about new/deleted OMEMO devices of chat partners aren't
displayed anymore for TOFU devices (no device explicitly
trusted/untrusted by the user)

Improve quicksy hmac calculation and add logging

6.4.19 (#1583)

- Fixed omemo devicelist updates not published properly
- Fixed endless loop adding/removing devices from omemo devicelist
- Fixed audio recording timer visibility in dark mode
- Fixed audio playback not working after recording a voice message
- Accelerated connection establishment
- Fixed joining of groups/channels after a longer period of being
offline
IOS_ONLY - Fixed long delay when sometimes answering an incoming call
- Fixed internal state updates taking too long
- Fixed crash when opening a new chat that wasn't listed as active
before
- Moved heavy deallocation work to a background task to make initial
connection faster
- Don't try to retrieve messages older than our autodelete timeout, if
active
- Allow users to ping the push appserver for debugging notification
problems
- Improved accessibility if users configure a dynamic font in settings
(bigger text sizes)

6.4.19-rc2 (#1602)

- Fixed audio recording timer visibility in dark mode
- Some internal restructuring

6.4.19-rc1 (#1600)

- Accelerated connection establishment
- Fixed joining of groups/channels after a longer period of being
offline
IOS_ONLY - Fixed long delay when sometimes answering an incoming call