I wanted to report this because it might be of some help to someone.
My X server is a headless X server running TigerVNC.
As part of my hardware migration to Apple Silicon, I am now running Arm64 Ubuntu 23.04 in a VM. I had to install the Kubuntu packages using "apt-get install kubuntu-desktop" as there is no official arm distribution of Kubuntu. My previous x86 VM did not exhibit these issues.
I first noticed with hamster time tracker that if I move the window, the buttons in the window could be become non functional. I reproduced the issue with Firefox.
Playing around with it some more, I noticed that moving the window causes the buttons hover over to not match the button location on screen.
I chose to report this on plasmashell because I can make small movements and resizes without apparent ill effect. Dragging the window the left hand corner where there is a snap action makes the bug appear every time.
I am a long time developer and can run any troubleshooting information needed.
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ProblemType: Bug
ApportVersion: 2.26.1-0ubuntu2
Architecture: arm64
CasperMD5CheckResult: pass
CurrentDesktop: KDE
DistroRelease: Ubuntu 23.04
InstallationDate: Installed on 2023-08-07 (22 days ago)
InstallationMedia: Ubuntu-Server 23.04 "Lunar Lobster" - Release arm64 (20230415)
Package: plasma-workspace 4:5.27.4.1-0ubuntu1
PackageArchitecture: arm64
ProcVersionSignature: Ubuntu 6.2.0-27.28-generic 6.2.15
RebootRequiredPkgs: Error: path contained symlinks.
Tags: lunar
Uname: Linux 6.2.0-27-generic aarch64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lxd plugdev sudo
_MarkForUpload: True
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