Marqee selection inconsistent in MacOS 2026

Marquee selections do not happen all the time in 2026.

Sometimes you’ll click and drag and nothing will happen, other times it will drag out a marquee as expected. It fails around 20-70% of the time at random. This is true in both the sketch beta and the latest Athens release. It’s not in a specific file and it’s the same with both a mouse and Wacom tablet

Aware I’m running a Mac OS beta, and the first release at that, but something for the team to be aware of

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Hello @Ash,

Thanks for reporting! We’ve seen this issue and confirmed it only happens with macOS 26.

We’re still studying the problem. It’s still a bit soon in the macOS Beta, and it might take some time, but rest assured, we’re aware and looking into it.

Thanks again for reporting!

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