Bug 513830 - 8000Hz polling rate mice will visually lag capture rectangular region on spectacle.
Summary: 8000Hz polling rate mice will visually lag capture rectangular region on spec...
Status: RESOLVED FIXED
Alias: None
Product: Spectacle
Classification: Applications
Component: General (other bugs)
Version First Reported In: 6.5.4
Platform: Arch Linux Linux
: NOR normal
Target Milestone: ---
Assignee: Noah Davis
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2025-12-26 08:25 UTC by doomguyf2p
Modified: 2025-12-26 23:06 UTC (History)
2 users (show)

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Description doomguyf2p 2025-12-26 08:25:42 UTC 
SUMMARY
Using a 8000Hz polling rate mouse will lag spectacle when using capture rectangular region on spectacle!

STEPS TO REPRODUCE
1. Have a mouse with 8000Hz polling rate
2. Launch spectacle
3. Attempt to capture rectangular region 

OBSERVED RESULT
The tool will become very laggy

EXPECTED RESULT
The capture window should be smooth like it is at lower polling rates

Linux: Arch Linux 
KDE Plasma Version: 6.5.4
KDE Frameworks Version: 6.21.0
Qt Version: 6.10.1

ADDITIONAL INFORMATION
Using Wayland
Comment 1 doomguyf2p 2025-12-26 08:28:17 UTC 
Video showcase: https://youtu.be/BXkJaQggvvo
Comment 2 David Edmundson 2025-12-26 23:06:02 UTC 
This should be fixed with Qt 6.11 that batches mouse operations