[New-bugs-announce] [issue41548] IDLE Window rendering on macOS Big Sur

[Roger Meier]

New submission from Roger Meier <roger.meier at pobox.com>:

macOS Big Sur, Public Beta (20A5343j)

There is noticeable window flickering when the IDLE window is being resized manually. It sometimes become translucent, and sometimes the window frame isn't properly refreshed after resizing, but simply by switching to another app (i.e. removing focus from the IDLE window) the contents are refreshed. This was not the case prior to Big Sur.

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assignee: terry.reedy
components: IDLE
messages: 375373
nosy: roger.meier, terry.reedy
priority: normal
severity: normal
status: open
title: IDLE Window rendering on macOS Big Sur
versions: Python 3.5, Python 3.6, Python 3.7, Python 3.8, Python 3.9

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue41548>
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