Thumb Image Disappears in Slider Control When Changing Thumb Color on iOS and Catalyst

[NafeelaNazhir]

Description

When updating the ThumbColor property of a Slider , the ThumbImageSource is unexpectedly removed on iOS and Mac Catalyst. However, on Android, the thumb image remains intact. Additionally, on Windows, the thumb color does not update as expected.

Steps to Reproduce

1. Launch the Application SliderSample.zip
2. Click the button to change the thumb color.
3. Observe that ThumbImageSource disappears when changing the ThumbColor on iOS and Catalyst

Expected Behavior:

• The ThumbImageSource should remain visible when changing the ThumbColor.

• The thumb color should update correctly across all platforms.

Actual Behavior:

• On iOS and Catalyst, the ThumbImageSource disappears when changing the ThumbColor.

Link to public reproduction project repository

No response

Version with bug

9.0.30 SR3

Is this a regression from previous behavior?

Not sure, did not test other versions

Last version that worked well

No response

Affected platforms

iOS, macOS

Affected platform versions

No response

Did you find any workaround?

No response

Relevant log output

[similar-issues-ai]

We've found some similar issues:

• [Android, IOS, Mac] Unable to Remove Thumb Image in Slider Control #25939 , similarity score: 85%

If any of the above are duplicates, please consider closing this issue out and adding additional context in the original issue.

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