[Redmi K20 / Xiaomi Mi 9T Guides, News, & Discussio] welder73:
MIUI 12 Full changelog:

System animations

New: All-new physically based animation engine with advanced architecture will refresh your device's look.

New: Dynamic window technology takes switching screen orientation to a new level.

System visuals

Brand new visual design works for all types of content and languages.

Magazine-level layouts bring important things into the spotlight and make content structure clear.

Privacy protection

New: MIUI 12 is the first Android-based mobile OS that went through the rigorous enhanced privacy protection testing.

New: Reset your device ID and control how it's used based on virtual ID technology.

New: Grant permissions that will be used only while you're using an app.

New: You can also grant permissions just once, and decide again next time a permission is required.

New: Restrict access to telephony to third party apps.

New: Return blank messages to the apps that require personal information.

New: Receive notifications whenever apps record audio, use camera, or access your location.

New: Use secure sharing to control what additional data is sent along with shared items.

New: Get comprehensive stats on how apps use permissions in app behavior history.

New: Visit privacy.miui.com to learn how MIUI protects your privacy.

Optimization: Apps aren't allowed to launch other apps in the background now.

AI Call Assistant

New: Mi AI can answer your calls now!

New: You can record a customized greeting that will be played to the other person during AI calls.

New: Customized greetings are also supported for outgoing calls.

Xiaomi Health

New: All-new Xiaomi Health gives you more options and makes your health stats more accurate.

New: Put your device next to you before falling asleep to analyze your sleep cycle and record talking and snoring.

New: You can sync data with supported wearable and smart home devices.

New: Xiaomi Health can remind you to stand up and move when it detects that you've been sitting down for too long.

New: The app also analyzes your stats and gives you simple health advice.

Control center

New: Swipe down from the upper right corner of your screen to open Control center.

New: Animated icons are a joy to look at!

Accessibility

New: Mi Ditto combines dictation and speech output, making mobile devices more convenient for people who have difficulties using conventionally designed smartphones.

Trips

New: Traffic and suggested routes to airports and train stations.

New: You can track your previous trips now.

New: Checklists for trips.

New: Alarms for train arrivals.

Mi Carrier Services

New: View your SIM balance and mobile data usage stats.

New: Save frequently used phone numbers to top up balance and buy mobile data later.

New: Buy SIM cards and services.

Messaging

New: Promotional messages are grouped according to their content now.

Status bar, Notification shade

New: All-new design.

Weather

New: New animations bring the weather from outside directly to your screen.

Settings

New: Security introduces new comprehensive privacy protection mechanisms.

New: Lite mode simplifies your device and brings essential features up front.

File Manager

New: Use the floating shortcut to filter and sort items, as well as switch view.

Calendar

New: New layout tailored for landscape orientation is available now.

New: We added lots of fresh animations that will accompany your actions.

New: Calendar cards will remind you about important events and anniversaries.

Notes

New: You can create folders with notes now.

New: New dynamic backgrounds look gorgeous!

New: Tasks are completed with a satisfying animation now.

New: Checklists of subtasks make managing your agenda much simpler.

Security

New: New animations feel natural and refreshing.

New: Keep your home safe with smart home device alerts.

New: Binging your favorite shows will be more convenient with our new video toolbox.

Xiaomi Cloud

New: Shared family storage plan is available now.

Redmi K20/Mi 9T

https://hugeota.d.miui.com/20.4.27/miui_DAVINCI_20.4.27_ad457695ab_10.0.zip

Update!

http://bigota.d.miui.com/20.4.28/miui_DAVINCI_20.4.28_4c77332914_10.0.zip

Update!

https://bigota.d.miui.com/20.4.30/miui_DAVINCI_20.4.30_3e4538d35b_10.0.zip

Update!

https://hugeota.d.miui.com/20.5.6/miui_DAVINCI_20.5.6_028480154d_10.0.zip

Update!

https://bigota.d.miui.com/20.5.7/miui_DAVINCI_20.5.7_faa284ef59_10.0.zip

Update!

http://hugeota.d.miui.com/20.5.11/miui_DAVINCI_20.5.11_ec34d48b30_10.0.zip

Update!

https://hugeota.d.miui.com/20.5.13/miui_DAVINCI_20.5.13_db7849e09f_10.0.zip

Update!

https://hugeota.d.miui.com/20.5.14/miui_DAVINCI_20.5.14_dbb7d25c61_10.0.zip

Update!

https://hugeota.d.miui.com/20.5.18/miui_DAVINCI_20.5.18_20e8088bff_10.0.zip

Update!

https://hugeota.d.miui.com/20.5.19/miui_DAVINCI_20.5.19_af1206984b_10.0.zip

Update!

https://hugeota.d.miui.com/20.5.20/miui_DAVINCI_20.5.20_c6fb9b3646_10.0.zip

Update!

https://hugeota.d.miui.com/20.5.25/miui_DAVINCI_20.5.25_233f6860da_10.0.zip

Update!

https://hugeota.d.miui.com/20.5.26/miui_DAVINCI_20.5.26_1e08adef80_10.0.zip

Update!

https://hugeota.d.miui.com/20.5.27/miui_DAVINCI_20.5.27_4d25fced20_10.0.zip

Update!

https://hugeota.d.miui.com/20.5.28/miui_DAVINCI_20.5.28_98164b3466_10.0.zip

Update!

https://hugeota.d.miui.com/20.5.29/miui_DAVINCI_20.5.29_1d831def8c_10.0.zip

Update!

https://hugeota.d.miui.com/20.6.1/miui_DAVINCI_20.6.1_6ae8373402_10.0.zip

Update!

https://hugeota.d.miui.com/20.6.3/miui_DAVINCI_20.6.3_3b30960b73_10.0.zip

Update!

http://bigota.d.miui.com/20.6.8/miui_DAVINCI_20.6.8_889e2f71a6_10.0.zip

Update!

http://hugeota.d.miui.com/20.6.10/miui_DAVINCI_20.6.10_72aab90652_10.0.zip

Update!

https://hugeota.d.miui.com/20.6.23/miui_DAVINCI_20.6.23_a2055841eb_10.0.zip

Update!

https://bigota.d.miui.com/20.6.30/miui_DAVINCI_20.6.30_adad840c8e_10.0.zip

https://hugeota.d.miui.com/20.7.2/miui_DAVINCI_20.7.2_a9fcefb387_10.0.zip

Update!

http://bigota.d.miui.com/20.7.7/miui_DAVINCI_20.7.7_1114972808_10.0.zip

Update!

http://bigota.d.miui.com/20.7.8/miui_DAVINCI_20.7.8_13c4f3c970_10.0.zip

Update!

http://bigota.d.miui.com/20.7.13/miui_GRUS_20.7.13_16aa8fd8cc_10.0.zip

Update!

http://bigota.d.miui.com/20.7.14/miui_DAVINCI_20.7.14_1cd19a1210_10.0.zip

Update!

http://bigota.d.miui.com/20.7.15/miui_DAVINCI_20.7.15_9798aacc0b_10.0.zip

Update!

http://bigota.d.miui.com/20.7.16/miui_DAVINCI_20.7.16_049df7021d_10.0.zip

Update!

http://bigota.d.miui.com/20.7.27/miui_DAVINCI_20.7.27_95fa065754_10.0.zip

Update!

http://bigota.d.miui.com/20.7.30/miui_DAVINCI_20.7.30_dc8db4d9d6_10.0.zip

Update!

https://hugeota.d.miui.com/20.8.7/miui_DAVINCI_20.8.7_76ca4da6a1_10.0.zip

Update!

http://bigota.d.miui.com/20.8.27/miui_DAVINCI_20.8.27_c0f931721c_10.0.zip

Update!

https://hugeota.d.miui.com/20.9.16/miui_DAVINCI_20.9.16_6bad8567e6_10.0.zip