The 7.2 update is focused on new features for both players and mod authors.
It should be fully compatible with all existing mods.

Player-visible changes include:

• New and fancy Mod Setting window hover menu
  
• Option for resetting all settings of one mod at once
  
• Option for resetting hidden mod settings
  
• Button for filtering mod update news by mod
  
• Mods will no longer dump all their update news on you when loaded for the first time
  
• Shortcut keys for opening Mod Settings and Mod Update News windows
  
• More responsive Mod Settings window
  
• Faster game startup
  
• Working log publisher on MacOS

The full details and modder-specific changes are available on the HugsLib wiki:
https://github.com/UnlimitedHugs/RimworldHugsLib/wiki/HugsLib-7.2-Update-Notes