https://bugs.kde.org/show_bug.cgi?id=483093

            Bug ID: 483093
           Summary: “Press left and right buttons for middle-click”
                    options adds large amount of latency
    Classification: Plasma
           Product: kwin
           Version: 6.0.1
          Platform: Arch Linux
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: input
          Assignee: kwin-bugs-n...@kde.org
          Reporter: justus2...@proton.me
  Target Milestone: ---

SUMMARY
If the “Press left and right buttons for middle-click” option is enabled, a
very noticeable amount of latency gets added to mouse clicks. I can't say
exactly how much it is, but fiddling around with reaction speed tests gives me
a difference of somewhere around 40-60ms. If this is not fixable, there should
at least be a warning, since this can have a big impact, especially for games.

STEPS TO REPRODUCE
1. Enable “Press left and right buttons for middle-click” option.

OBSERVED RESULT
Latency added to mouse clicks.

EXPECTED RESULT
No change in latency.

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