Optimization - Updated Android Security Patch to June 2021 [most of devices, e.g. Redmi Note 9 Pro 5G/Mi 10T Lite, Mi 10 Pro]

Notification shade
Fix - Tapping "Snooze" button in notification options caused System UI crash for some devices
Fix - Sometimes notifications such as alarm clock reminders were not displayed [Mi 11, Redmi K30S Ultra/Mi 10T/Pro, Mi 11 Pro/Ultra, Redmi K30 Pro/POCO F2 Pro]

New - 2 new photo filters: Juventas, Vesper
New - Updated stickers
Fix - Theme preview images were appearing in Photos tab

Fix - Date/time row in call log entries wasn't layout properly

System launcher
Fix - Titles and icons for widget sets were incorrect

This changelog doesn't mention all changes made by or Xiaomi.