Logi Options+ version 1.29.6100
macOs ventura (intel)
Using MX keys and MX master 3 via bolt

Leaving this an hour or two thrashes the CPU%. To the point, the fan is fighting for its life. Bare in mind I'm developing on this machine at the same time, with multiple ides running as well as many other office-related apps, teams etc. Options uses roughly 10 times the CPU of any other of those processes.
A have to regularly force quit the options process and the fan calms down and CPU usage calms down