Since upgrade to Kubuntu 21.04, every time KMyMoney is opened the title bar indicates a change has been made, even though it was just opened and no user modifications have been made. If closed immediately it warns changes were made and prompts to be saved.

KMyMoney: Version 5.1.1
Operating System: Kubuntu 21.04
KDE Plasma Version: 5.21.4
KDE Frameworks Version: 5.80.0
Qt Version: 5.15.2
Kernel Version: 5.11.0-16-generic
OS Type: 64-bit
Graphics Platform: X11
Processors: 4 × Intel® Core™ i5-3570K CPU @ 3.40GHz
Memory: 31.2 GiB of RAM
Graphics Processor: GeForce GTX 1070/PCIe/SSE2

This can happen if a scheduled transaction executed that has the "Enter this schedule into the register automatically when it is due" setting enabled.

Good catch. I have several dozen scheduled transactions, and intentionally don't use auto-entry; but one seems to have slipped passed me. Thanks