Bug 8524 - Modifier keys out of sync in Web Access on macOS
Summary: Modifier keys out of sync in Web Access on macOS
Status: NEW
Alias: None
Product: ThinLinc
Classification: Unclassified
Component: Web Access (show other bugs)
Version: trunk
Hardware: PC Unknown
: P2 Normal
Target Milestone: MediumPrio
Assignee: Bugzilla mail exporter
URL:
Keywords:
Depends on:
Blocks: keyboard
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Reported: 2025-02-21 09:16 CET by Alexander Zeijlon
Modified: 2025-02-25 13:32 CET (History)
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Description Alexander Zeijlon cendio 2025-02-21 09:16:17 CET 
On macOS, when running a session via Web Access, you can get the session's keyboard state out of sync with the local keyboard state.

This happens if you e.g. hold "cmd+shift+4" to take a screenshot.

After doing this, the session behaves as if modifier keys are held down, even if they are not.
Comment 1 Alexander Zeijlon cendio 2025-02-21 09:17:02 CET 
This is a break-out bug from bug 4971, which only regarded tlclient.

Upstream issue: https://github.com/novnc/noVNC/issues/1799

Issues reported to browser maintainers (linked via above issue):
  WebKit: https://bugs.webkit.org/show_bug.cgi?id=260866
  Mozila: https://bugzilla.mozilla.org/show_bug.cgi?id=1850583
  Chromium: https://bugs.chromium.org/p/chromium/issues/detail?id=1474894#c3
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