CHANGELOG 21.1.20

System
Optimization - Restored Widevine L1 support [Redmi K20/Mi 9T, Mi CC9 Pro/Mi Note 10/Pro]

Fix - Device was lagging with enabled Voice Match [Mi 9, Mi 9 Pro 5G, Mi 9T Pro]
Fix - Provision app crashed during setup with an inserted SIM card

Control center
Optimization - Brightness control is appearing at the bottom of the toggles list now even if it is expanded [Android 11 devices]

Optimization - Restored pull-down gesture on the right side of Notification shade to open Control center over the Notification shade
Fix - A Chinese toggle was showing at the bottom of the toggles list [Some devices]

Settings
Optimization - "Sound and vibration" layout changes [Android 11 devices]

Optimization - Removed "Hide notch and move status bar" option by Xiaomi [Mi 10 Ultra, Mi 10 Lite Zoom]

Screen recorder
New - You can record videos in 90fps now [Mi 10, Mi 10 Pro, Redmi K30 5G, Mi 11, Mi 10T/Pro]

Weather
Fix - Unable to delete locations by long-tapping them and clicking the "Delete" button

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.