MIUI V12.0.4.0.QJQMIXM Redmi 9T / Redmi 9 Power / Redmi Note 9 4G (China) Global Stable Release
Changelog:
-Other
Optimization: Increased system stability
Optimization: Reduced system lag

MIUI 12.5 China Beta ROM 21.1.13 Released: Full Changelog https://c.mi.com/thread-3544500-1-0.html

MIUI V12.0.9.0.QCDINXM Redmi 9A / 9AT India Stable Release
Changelog:
-System
Optimization: Updated Android Security Patch to January 2021. Increased system security.

MIUI V12.0.5.0.QFHINXM Redmi Note 7 Pro  India Stable Release
Changelog:
-System
Updated Android Security Patch to January 2021. Increased system security

MIUI V12.0.6.0.QJFEUXM POCO M3 Europe Stable Release
Changelog:
-Other
Optimization: Increased system stability
Optimization: Reduced system lag


MIUI  V12.1.1.0.RFNMIXMMi Note 10 Lite Global beta Stable Release
Changelog:
-System
Optimization: Noise could be heard when the screen was turned off in some cases
Stable MIUI based on Android 11

MIUI V12.0.5.0.QJQINXM Redmi 9T / Redmi 9 Power / Redmi Note 9 4G (China
India Stable ROM
Changelog:
-Other
Optimization: Increased system stability
Optimization: Reduced system lag

MIUI V12.0.3.0.QJFINXM POCO M3
India Stable ROM
Changelog:
-Other
Optimization: Increased system stability
Optimization: Reduced system lag

MIUI V12.0.2.0.QJZMIXM Redmi Note 9 Pro Global Stable Release
Changelog:
-System
Updated Android Security Patch to January 2021. Increased system security.

MIUI V12.2.3.0.RJAEUXM Mi 10 Pro Europe Stable Release
Changelog:
-System
Stable MIUI based on Android 11
Updated Android Security Patch to December 2020. Increased system security.

MIUI V12.0.7.0.QFJMIXM Redmi K20 / Mi 9T Global Stable Release
Changelog:
-System
Updated Android Security Patch to January 2021. Increased system security

MIUI V12.0.3.0.QJWEUXM Redmi Note 9S (9 Pro India) Europe Stable Release
Changelog:
-System
Updated Android Security Patch to January 2021. Increased system security

MIUI V12.0.5.0.QJDINXM Mi 10T / 10T Pro / Redmi K30S  India Stable Release
Changelog:
-System
Optimization: Updated Android Security Patch to December 2020. Increased system security.

MIUI V12.0.3.0.QJDIDXM Mi 10T / 10T Pro / Redmi K30S Indonesia Stabile Release
Changelog:
-System
Optimization: Updated Android Security Patch to December 2020. Increased system security.

MIUI V12.0.2.0.QJZEUXM Redmi Note 9 Pro  Europe Stable Release
Changelog:
-System
Updated Android Security Patch to January 2021. Increased system security.

MIUI V12.0.3.0.QJWMIXM Redmi Note 9S (9 Pro India) Global Stable Release
Changelog:
-System
Updated Android Security Patch to January 2021. Increased system security.

V11.0.17.0.QDLMIXM Mi A2 lite Global Stable Release
Changelog:
-Other
Optimization: Increased system stability
Optimization: Reduced system lag

MIUI V12.0.1.0.QCPRUXM Redmi 8A Russia Stable Beta Release
Changelog:
-Other
Optimization: Increased system stability
Optimization: Reduced system lag

MIUI V12.0.2.0.QCXEUXM Redmi Note 8T Europe Stable Release
Changelog:
-System
Updated Android Security Patch to January 2021. Increased system security.

MIUI V12.0.1.0.QCPMIXM Redmi 8A Global beta Stable Release (Partial Release)
Changelog:
-System
Optimization: Full screen gestures are now ignored on the Lock screen alarm page
Updated Android Security Patch to January 2021. Increased system security.
-System animations
Optimization: Animations in selected scenes
-Privacy protection
New: Use secure sharing to control what additional data is sent along with shared items.
New: MIUI 12 is the first Android-based mobile OS that went through the rigorous enhanced privacy protection testing.
-Control center
New: Swipe down from the upper left corner to open Notification shade and from the upper right corner to open Control center
Optimization: Control center is now closed by incoming calls
Optimization: Control center layout in landscape mode
Fix: Control center wasn't always displayed correctly in landscape mode
-Dark mode
Optimization: Brightness and color improvements for wallpapers in Dark mode
-Status bar, Notification shade
Fix: Notification shade wasn't displayed correctly in Dark mode
-Security
New: New animations feel natural and refreshing.

MIUI V12.0.3.0.RJWINXM Redmi Note 9S (9 Pro India)  India Stable Release
Changelog:
-System
Optimization: Noise could be heard when the screen was turned off in some cases
Stable MIUI based on Android 11

MIUI V12.0.4.0.QFAMIXM MI 9 Global Stable Release
Changelog:
-System
Updated Android Security Patch to January 2021. Increased system security.

Miui V12.0.4.0.QFKMIXM Redmi K20 Pro / Mi 9T Pro  Global Stable Release
Changelog:
-System
Updated Android Security Patch to January 2021. Increased system security.

MIUI   V12.0.3.0.PEMMIXM Mi MIX 3 5G Global Stable Release
Changelog:
-System
Optimization: Updated Android Security Patch to December 2020. Increased system security.
-Control center
Optimization: Control center layout in landscape mode

MIUI   V12.0.4.0.QFJEUXM Redmi K20 / Mi 9T Global Stable Release
Changelog:
-System
Updated Android Security Patch to January 2021. Increased system security.

MIUI  V12.0.5.0.QCDIDXM Redmi 9A / 9AT Indonesia Stable Release
Changelog:
-System
Optimization: Updated Android Security Patch to December 2020. Increased system security.

MIUI  V12.0.6.0.QGGMIXM Redmi Note 8 Pro Global Stable Release
Changelog:
-System
Optimization: Updated Android Security Patch to December 2020. Increased system security.

MIUI 12.5 China Beta ROM 21.1.20 Released: Full Changelog https://c.mi.com/thread-3555593-1-0.html

MIUI V12.1.2.0.RGHINXM Redmi K30 / POCO X2 India Stable Release
Changelog:
-System
Optimization: Noise could be heard when the screen was turned off in some cases
Updated Android Security Patch to January 2021. Increased system security.
Stable MIUI based on Android 11

MIUI V12.0.2.0.QFGRUXM Redmi Note 7 Russia Stable Release
Changelog:
-System
Optimization: Updated Android Security Patch to January 2021. Increased system security.

MIUI V12.1.1.0.RFNEUXM Mi Note 10 Lite Europe Stable Release
Changelog:
-System
Optimization: Noise could be heard when the screen was turned off in some cases
Stable MIUI based on Android 11

MIUI V12.0.3.0.QFJRUXM Redmi K20 / Mi 9T Russia Stable Release
Changelog:
-System
Updated Android Security Patch to January 2021. Increased system security.

MIUI V12.0.7.0.QFJINXM Redmi K20 / Mi 9T India Stable Release
Changelog:
-System
Updated Android Security Patch to January 2021. Increased system security.

MIUI V12.0.3.0.QFGEUXM Redmi Note 7 Europe Stable Release
Changelog:
-System
Optimization: Updated Android Security Patch to January 2021. Increased system security.

MIUI V12.0.3.0.QJWRUXM Redmi Note 9S (9 Pro India) Russia Stable Release
Changelog:
-System
Updated Android Security Patch to January 2021. Increased system security.

MIUI V12.0.3.0.QCXRUXM Redmi Note 8T Russia Stable Release
Changelog:
-System
Updated Android Security Patch to January 2021. Increased system security.

MIUI V12.0.2.0.QCXMIXM Redmi Note 8T Global Stable Release
Changelog:
-System
Updated Android Security Patch to January 2021. Increased system security.

MIUI V12.0.6.0.QCREUXM Redmi 9C Europe Stable Release
Changelog:
-System
Updated Android Security Patch to January 2021. Increased system security.

MIUI V12.0.4.0.QFDMIXM Mi Note 10 / Mi CC9 Pro Global Stable Release
Changelog:
-System
Updated Android Security Patch to January 2021. Increased system security.