Bug 519186 - When Plasma Keyboard is enabled (but not visible), physical keyboard keys can infinitely repeat after being used in a shortcut
Summary: When Plasma Keyboard is enabled (but not visible), physical keyboard keys can...
Status: CONFIRMED
Alias: None
Product: Plasma Keyboard
Classification: Plasma
Component: general (other bugs)
Version First Reported In: unspecified
Platform: Fedora RPMs Linux
: NOR normal
Target Milestone: ---
Assignee: Plasma Bugs List
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2026-04-20 17:21 UTC by John Kizer
Modified: 2026-04-30 23:58 UTC (History)
3 users (show)

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Description John Kizer 2026-04-20 17:21:03 UTC 
SUMMARY
When Plasma Keyboard is enabled (but not visible), physical keyboard keys can infinitely repeat after being used in a shortcut that includes modifiers (ex. Ctrl+Alt+C).

Some other folks have mentioned this issue, with different applications/shortcuts involved, on the KDE Discuss forums, and the resolution for them was to disable Plasma Keyboard (which is harder than expected due to https://bugs.kde.org/show_bug.cgi?id=509416):

* https://discuss.kde.org/t/last-pressed-key-prompt-leaks-getting-stuck-while-switching-tabs-in-vscode-or-any-vscode-clones-only-in-wayland/45196
* https://discussion.fedoraproject.org/t/vscode-keeps-typing-like-the-key-has-not-been-released/183285

STEPS TO REPRODUCE
1. Have the plasma-keyboard process running (either from intentionally enabling it, or from it becoming re-enabled unintentionally)
2. Configure a shortcut in the Bitwarden extension for Firefox to auto-fill login information with Ctrl+Alt+<key>
3. On a website's login page, press Ctrl+Alt+<key> (just once, not held down)

OBSERVED RESULT
The program acts as expected - in this case, the login information is filled into the website's form - but then <key> begins repeating into the active input field (at the end of the filled-in password, in this case) until a mouse click or keystroke removes focus from that input field.

EXPECTED RESULT
The shortcut works, and no keys are artificially repeated.

SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 43
KDE Plasma Version: 6.6.4
KDE Frameworks Version: 6.25.0
Qt Version: 6.10.3
Kernel Version: 6.19.12-200.fc43.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 7800X3D 8-Core Processor
Memory: 32 GiB of RAM (30.2 GiB usable)
Graphics Processor 1: NVIDIA GeForce RTX 4070 SUPER
Graphics Processor 2: AMD Ryzen 7 7800X3D 8-Core Processor
Manufacturer: Micro-Star International Co., Ltd.
Product Name: MS-7D78
System Version: 1.0

ADDITIONAL INFORMATION
This device has Plasma Keyboard 6.6.4 installed, which contains the fix for https://bugs.kde.org/show_bug.cgi?id=516511
Comment 1 Daniel Cleaver 2026-04-20 23:48:34 UTC 
This happens to me occasionally, with Ctrl+Shift+L in Firefox 149. (maybe 5% of the time or less). I don't know how to reproduce it on command.

Virtual Keyboard = Plasma Keyboard

Operating System: Fedora Linux 43
KDE Plasma Version: 6.6.3
KDE Frameworks Version: 6.24.0
Qt Version: 6.10.2
Kernel Version: 6.19.10-200.fc43.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 20 × Intel® Core™ i5-14600K
Memory: 32 GiB of RAM (31.1 GiB usable)
Graphics Processor 1: AMD Radeon RX 6700 XT
Graphics Processor 2: Intel® Graphics
Manufacturer: Micro-Star International Co., Ltd.
Product Name: MS-7D43
System Version: 1.0