Xcode 26.4 is out. There’s a long list of fixed issues and improvements, but my favorite fixes the issue with Codex I posted the workaround for earlier.
Fixed: When using external development tools that connect to Xcode, you may see multiple “Allow Connection?” dialogs during normal usage.
Xcode 26.4 Release Notes | Apple Developer Documentation
Update your apps to use new features, and test your apps against API changes.