[Android, iOS & Catalyst] CharacterSpacing Property Does Not Update at Runtime When TextType="Html" is Set on Label

[NafeelaNazhir]

Description

When using the TextType="Html" property on a Label in .NET MAUI, the CharacterSpacing property does not take effect when changed during runtime. This behavior is inconsistent with plain text mode where character spacing changes are applied immediately when modified at runtime.

Screen.Recording.2025-05-26.at.5.06.48.PM.mov

Steps to Reproduce

1. Run the attached sample FormattedTextPropertiesSample.zip
2. Select TextType to "Html" using the radio button
3. Enter a value (e.g., "5") in the CharacterSpacing entry field.
4. Observe that character spacing does not update in the HTML rendered text during runtime.
5. Select TextType to "plain" using the radio button
6. Enter a value (e.g., "5") in the CharacterSpacing entry field.
7. Observe that character spacing is update in the text during runtime.

Expected Behavior
The CharacterSpacing property should take effect immediately when changed during runtime, regardless of whether the Label's TextType is set to Text or Html.

Actual Behavior
When TextType is set to Html, changes to the CharacterSpacing property made during runtime are not reflected in the rendered text. The character spacing remains unchanged.

Link to public reproduction project repository

No response

Version with bug

9.0.70 SR7

Is this a regression from previous behavior?

Not sure, did not test other versions

Last version that worked well

No response

Affected platforms

iOS, Android, macOS

Affected platform versions

No response

Did you find any workaround?

No response

Relevant log output

This issue has been verified in VS Code (v1.100.2) with versions (9,0.70, 9.0.60 & 9.0.0). It can be reproduced on the Android, iOS, and MacCatalyst platforms.