KDE Plasma Panel (Task Manager) bug.

KDE Plasma sometimes just stretching app labels when you hover it with your cursor.
Arch Linux 6.17.7-arch1-1 | plasmashell 6.5.2 | Wayland 1.24.0-1
NVIDIA RTX 3060 Ti | AMD Ryzen

Same here on EndeavourOS (Arch-based) for the past several months.

Operating System: EndeavourOS
KDE Plasma Version: 6.5.2
KDE Frameworks Version: 6.19.0
Qt Version: 6.10.0
Kernel Version: 6.17.7-zen1-1-zen (64-bit)
Graphics Platform: Wayland
Processors: 12 × Intel® Core™ i7-8700K CPU @ 3.70GHz
Graphics Processor: NVIDIA GeForce RTX 3060 Ti

Same here on openSUSE TW from some months ago:

Operating System: openSUSE Tumbleweed 20251108
KDE Plasma Version: 6.5.2
KDE Frameworks Version: 6.19.0
Qt Version: 6.10.0
Kernel Version: 6.17.7-1-default (64-bit)
Graphics Platform: Wayland
Processors: 4 × Intel® Core™ i5-6600K CPU @ 3.50GHz
Memory: 32 GiB of RAM (31.3 GiB usable)
Graphics Processor: NVIDIA GeForce GTX 1070

Regards

Same here on KDE neon :

[/quote]

Operating System: KDE neon User Edition
KDE Plasma Version: 6.5.2
KDE Frameworks Version: 6.19.0
Qt Version: 6.9.3
Kernel Version: 6.14.0-35-generic (64-bit)
Graphics Platform: Wayland
Processors: 12 × AMD Ryzen 5 2600 Six-Core Processor
Memory: 16 GiB of RAM (15.5 GiB usable)
Graphics Processor: NVIDIA GeForce RTX 3060
Manufacturer: Micro-Star International Co., Ltd.
Product Name: MS-7B79
System Version: 2.0

Sounds like this bug:

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