MIUI 12 – 20.5.21 official Changelog for ROM Builder

This weeks MIUI Developer ROM has version 20.5.21 and in this post we will show you the changelog containing all the latest changes, features and bugfixes Xiaomi has made to that firmware.

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miui 12 rom builder firmware download changelog
miui 12 rom builder firmware download changelog

The latest major firmware version of the chinese tech giant Xiaomi is MIUI 12. They release their ROMs every week in a beta branch, containing all the latest changes and bugfixes! This weeks MIUI Developer ROM has version 20.5.21 and in this post we will show you the changelog containing all the latest changes, features and bugfixes Xiaomi has made to that firmware.

Since our custom ROM Builder is based on xiaomi.eu multilangauge ROMs, you will also find some additional notes from their site as well. Finally we will add our own patch notes, to give you a complete list of changes about the firmwares we provide on our ROM Builder!

MIUI 12 Changelog – 20.5.21

System
New – New bootanimation (Mi 8, Mi 8 Pro, Mi Mix 2S, Redmi Note 7, Mi CC9, Mi CC9 Pro)
Optimization – Update Android Security Patch to May 2020 (most of devices)

Lock screen
Fix – Removed characters limit on Lock screen owner info option

Security
Fix – Manually set permissions were not applied correctly

Notifications
New – New style of floating notifications (Mi 10, Mi 10 Pro, Redmi K30 Pro, Mi 9)

Scanner
Fix – Removed Chinese payment methods from Scanner settings

Settings
Fix – Couldn’t configure custom days to add as rule on DND mode

Phone
Fix – The “Block” option was missing in Call log entries context menus

SMS
Fix – Couldn’t swipe left/right to mark as read or delete SMS on main view

Data usage
Fix – “Data usage notification” toggle wasn’t visible (now it’ll be visible when Control center is disabled)

Camera
New – New app version for some devices which didn’t have it before (e.g. Mi 8, Mi 8 SE, Mi Mix 2S)
New – Clones feature (Mi 9, Mi 9 Pro 5G, Redmi K30, Redmi K30 5G, Redmi K20 Pro)
New – Kaleidoscope mode (Mi 9, Redmi K20, Redmi K20 Pro, Redmi K30)

Browser
New – New app version
Fix – Fix known issues

Patch notes by mi-globe.com and xiaomi.eu

DELAYED DEVICES
ginkgo, laurus


- No changes

Magisk Stable: 20.4
Magisk Dev: 20.4
Adaway: 4.3.2
MiXplorer: 6.44.0
Youtube Vanced: 14.21.54

Download MIUI 20.5.21

You can download the official MIUI ROM on miui.com. If you rather want to enjoy all the features of a custom ROM and you want to create your very own firmware with only the features, apps and modifications you want, then you should try our exclusive MIUI ROM Builder!

Support and Help

If you experience any problems using MIUI firmwares or our ROM-Builder service, you are always welcome to contact us through different ways. Check out our contact page for all possible channels. We do our best to help you out and answer all the questions about your Xiaomi phone or tablet running MIUI 12!

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