We found a couple issues in 3.5.2-rc.1 yesterday and fixed them in rc.2: https://github.com/getkirby/kirby/releases/tag/3.2.5-rc.2
We are still looking for testers of this new release candidate.
You can find the full changelog of all features, enhancements and fixes here: https://github.com/getkirby/kirby/releases/tag/3.2.5-rc.1