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 Manager 7.3.1:
v7.3.1
- Fix blank Superuser fragment under some circumstances
- Fix incomplete repo database bug: if you experience this issue from the old version, go to Settings → Clear Repo Cache and refresh the Download fragment
- Fix crashing when pressing fast scrolling button when logs are empty
v7.3.0
- HUGE code base modernization, thanks @diareuse!
- More sweet changes coming in the future! - Reboot device using proper API (no more abrupt reboot)
- New floating button in Magisk logs to go to bottom
Variant
Arch
Version
DPI
All versions
June 18, 2019
June 15, 2019
May 20, 2019