Setting UIDesignRequiresCompatibility does not opt out Liquid Glass (iOS)

[jaysidri]

Description

Explicitly setting

UIDesignRequiresCompatibility

..does not disable Liquid Glass as documented here: https://developer.apple.com/documentation/BundleResources/Information-Property-List/UIDesignRequiresCompatibility

Steps to Reproduce

1. Create a shell project with tabs for iOS
2. Add UIDesignRequiresCompatibility / true to Info.plist
3. Shell tabs still render with the liquid glass theme.

Link to public reproduction project repository

No response

Version with bug

10.0.10

Is this a regression from previous behavior?

No, this is something new, Not sure, did not test other versions

Last version that worked well

Unknown/Other

Affected platforms

iOS

Affected platform versions

iOS 26/26.1 (on XCode 26)

Did you find any workaround?

No response

Relevant log output

[jfversluis]

I have seen this work so it definitely does. Make sure to clean and rebuild your project. Otherwise, please provide a reproduction sample.

[dotnet-policy-service]

Hi @@jaysidri. We have added the "s/needs-repro" label to this issue, which indicates that we require steps and sample code to reproduce the issue before we can take further action. Please try to create a minimal sample project/solution or code samples which reproduce the issue, ideally as a GitHub repo that we can clone. See more details about creating repros here: https://github.com/dotnet/maui/blob/main/.github/repro.md

This issue will be closed automatically in 7 days if we do not hear back from you by then - please feel free to re-open it if you come back to this issue after that time.

[jaysidri]

This works -- the project needed to be cleaned (also needed to delete obj and bin dirs)