Minor issue i noted when setting up a new Z probe. The first time you update the thickness for a new probe, the software still references the old value after probing, therefore setting the wrong z value. Doesn't appear to be a problem after the initial set-up, just may cause a machine to crash the first time you use the probe if you do not notice it, something to note for people setting up their machine the first time.
Good catch, indeed a bug: (First was right after opening probe settings, then I changed the 10 to a 12, but it still showed as 10 in the js object. After closing and opening the window it updated. Logged as bug on Github: Probe: Custom - settings does not apply immediately · Issue #144 · OpenBuilds/OpenBuilds-CONTROL for fixing in the next release )