[iOS] CollectionView flickers when Label in DataTemplate has TextType="Html"

[borrmann]

Description

A CollectionView with a DataTemplate with a Label that uses TextType="Html" flickers when the ItemsSource is reloaded.

Steps to Reproduce

1. Create a Singleton Page with a CollectionView
2. Inside the CollectionView, load a List with a DataTemplate with a Label with TextType="Html"
3. On Page navigation, reload the ItemsSource
4. Move away and back to the page
5. The CollectionView flickers

Link to public reproduction project repository

No response

Version with bug

8.0.40 SR5

Is this a regression from previous behavior?

Yes, this used to work in .NET MAUI

Last version that worked well

8.0.7 SR2

Affected platforms

iOS

Affected platform versions

No response

Did you find any workaround?

nothing besides not using TextType="Html"

Relevant log output

No response

[github-actions]

Hi I'm an AI powered bot that finds similar issues based off the issue title.

Please view the issues below to see if they solve your problem, and if the issue describes your problem please consider closing this one and thumbs upping the other issue to help us prioritize it. Thank you!

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[borrmann]

In this example the Text of the label does not show HTML characters , because TextType is set to HTML. Unfortunately, it also seems to ignore the "<b>" and draws regular text instead bold text, but that would be another issue. The collectionview flickers

CollectionView_With.Flickering.mp4

In this example the Text of the label does show HTML characters, because TextType is set to Text (see the "<b>" in some messages) and the collectionview does not flicker as expected!

CollectionView_Without.Flickering.mp4