`RichTextBox` / `FlowDocument` causes significant slowdowns in rendering
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@pomianowski is already working on this.
Since May 3, 2022.
bug
controls
performance
- Dominant language
- C#
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Description
Updated to 1.2.4. Using .net5.0,
Using navigationfluent, buttons are not responsive for a few seconds unlike 1.2.3 where its instant.
Click on one of them to go to a series of CardExpanders and they take longer to open, and also freeze just before closing completed.
Not sure what is causing it, but CPU usages is also sat around 20% (AMD Ryzen 7). Visual studio reports an extra 100mb RAM in debugging process too.
Go back to 1.2.3 and issues disappear. See recordings below. No changes between 2 apps bar updating wpfui.
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