External ATC window crashes sim when resizing while in use

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Are you using Developer Mode or made changes in it?
No

Brief description of the issue:
An external ATC window (on a 2nd monitor) crashes the current SU10b when trying to resize the ATC window while a flight has started.

Provide Screenshot(s)/video(s) of the issue encountered:
None

Detailed steps to reproduce the issue encountered:
open a flight. ATC window on a 2nd monitor. Resize it while ATC text is in use. CTD.

PC specs and/or peripheral set up if relevant:
R7/5800 RTX 3060Ti

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Build Version # when you first started experiencing this issue:
1.27.9.0


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Do you have the same issue if you follow the OP’s steps to reproduce it?

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If relevant, provide additional screenshots/video:

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Hello, as this seems to reference Sim Update 10 beta, it’s best to keep this in the relevant #sim-update-10-beta section. I’ve moved your topic there.

Correct. Apologies - and: Thank you!