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kotlinlang

The Problems tool window should give more detail about why the refresh didn’t happen. Can you include that here?

Do you have a snippet of the code in the Preview?

Hmm I see. I can't see anything immediately obvious that would cause the issue so we'd probably need the Studio logs and have it attached to a bug. If you can please file a bug and I can triage it to the team

Please file the bug yourself. It's important since there will likely be follow up questions that only you can answer since you are seeing the issues on your machine with your code.