Nextcloud Talk iOS 17.1.0

• Markdown support #1296
• Set reminders for messages #1320
• List open conversations #1287
• Filter for unread / mentioned conversations #1289
• Group similar system messages #1321
• Call duration visible while in a call #1314
• Directly search for users in room list #1295
• Added file previews to notifications #1306
• Added "Mark conversation as read/unread" as swipe action #1357
• Bug fixes and preformance improvements (see betas and RCs)