Widget boards - differences

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Hi, I'm the developer of the Calendar Flyout app. While testing the widget included in the app, I noticed some differences between two versions of the widget board. As shown in the image below, the left column refers to the old version of the widget board, and the right column shows the WinUI-based widget board.

I have a few questions:
1. Are there any plans to align the engine that renders widgets from a JSON payload so that they appear the same across both boards?
2. If not, is there any way to detect which version of the widget board the client is using?
3. Are there any plans to fully replace the old widget board with the new WinUI-based version? If so, when is this expected to happen?

Currently, it's not possible to adjust the payload to look good on both widget boards. If you're offering app integration with the widget board, please ensure that everything is consistent and delivers the same high-quality experience.

The issue names the legacy and WinUI-based widget boards and their JSON payload rendering, but no source files, tests, or entry points. Start by locating the two board implementations and comparing their rendering paths; done would require an agreed compatibility or version-detection plan.

Written by the indexing model from the issue text.