- Fixed an error that occurred when running the `project-config/rebuild` command, if there were any Matrix block types that didn’t have any fields.
- Fixed an error that occurred when running the `project-config/rebuild` command, if there were any Matrix block types that didn’t have any fields. ([#6420](https://github.com/craftcms/cms/issues/6420))
- Fixed a bug where nested project config files weren’t getting saved properly on Windows servers. ([#6419](https://github.com/craftcms/cms/issues/6419))
- Fixed an error that occurred when running project config actions from the Project Config utility, if admin changes were disallowed.