Magisk XDA Release: forum.xda-developers.com/showthread.php?t=3473445

Install, upgrade, manage, configure the Universal Systemless Interface - Magisk within a single app!
Here are some key features:

Status
• Check Magisk Version and updates
• Check root status
• Check SafetyNet
Install
• Select boot image location
• Advanced installation settings
Superuser
• Manage Superuser permissions
• Toggle logging and notifications for each individual application
Modules
• Enable/disable, remove Magisk Module
• Manually add Magisk modules by selecting Magisk Module zip files
Downloads
• Download Magisk Modules hosted on the Magisk Repo
Magisk Hide
• Select the app you want to hide Magisk from
Settings
• Toggle systemless host support
• Toggle Busybox support
• Toggle Magisk Hide
• Tons of Superuser settings

... and much more to come!

From version Magisk 22.1:

This release is focused on fixing regressions and bugs. Check the v22.0 release notes if coming from older releases.

Note: Magisk v22 is the last major version to support Jellybean and Kitkat. Magisk v23 will only support Android 5.0 and higher.

Bug Fixes

  • [App] Prevent multiple installation sessions running in parallel
  • [App] Prevent OutOfMemory crashes when checking boot signature on PXA boot images
  • [General] Proper cgroup migration implementation
  • [General] Rewrite log writer from scratch, should resolve any crashes and deadlocks
  • [General] Many scripts updates fixing regressions
  • [MagiskHide] Prevent possible deadlock when signal arrives
  • [MagiskHide] Partial match process names if necessary
  • [MagiskBoot] Preserve and patch AVB 2.0 structures/headers in boot images
  • [MagiskBoot] Properly strip out data encryption flags
  • [MagiskBoot] Prevent possible integer overflow
  • [MagiskInit] Fix sepolicy.rule mounting strategy
  • [resetprop] Always delete existing ro. props before updating. This will fix bootloops that could be caused by modifying device fingerprint properties.

Full Changelog: here

Variant
Arch
Version
DPI
All versions
April 12, 2021
March 31, 2021
March 18, 2021
March 12, 2021
March 8, 2021
February 24, 2021
February 23, 2021
January 18, 2021
January 17, 2021
January 11, 2021