You can grab the new version here:
https://github.com/getkirby/kirby/releases/tag/3.2.0-rc.3
RC.3 has several fixes and some new stuff like a new query option for the users field and a new Users::role filter shortcut.
Full changelog for 3.2: https://github.com/getkirby/kirby/releases/tag/3.2.0-rc.1
The Kirby 3.2.0 release is scheduled for June, 25th.