New - ROM for Mi 10T Lite/Redmi Note 9 Pro 5G (gauguin) with Android 11
New - MIUI 12.5 update [Redmi Note 8]
Optimization - Minor layout changes while turning Silent/DND mode on from volume bar
Optimization - Updated Android Security Patch to January 2021 [Most of devices]
Fix - SafetyNet test failed for unrooted devices
Fix - Broken icons in certain apps, like Edge and Spotify [Android 11 devices]
Fix - Google Setup Wizard was showing on first boot instead of MIUI's initial setup
Fix - Custom actions in contextual text selection popups were missing [Android 11, and also Android 10 in certain apps]
Fix - The "Glow" charging animation was not working [Some Android 11 devices]
Fix - Due to error mentioned above wireless charging was not working while this animation was turned on
Fix - Unmute sound was playing from Quick settings/Control center even when disabled [Android 11 devices]
Fix - Weather info in the notification shade was not scaled properly with very small text sizes [Android 11 devices]

Fix - "Bokeh" app crashed when trying to edit a Dynamic shot/Motion photo or a Document photo [Some devices]

Super wallpapers
New - Two new wallpapers for Earth super wallpaper

New - Added few new gridlines (golden ratio)

WARNING FOR Mi 9 SE: After Android 11 update reboot to recovery causes reboot to Fastboot mode - TWRP disappears after update. To do update, boot your TWRP from fastboot mode, flash ROM and reboot to system.
This update is suspended for Redmi Note 9 4G/Redmi 9T. It's expected to get MIUI 12.5 update on mid-or-late January 2021, with Android 11 update accordingly.