With Precount set to 1 bar in “Setup” and “Recording Mode” set to “Count”, notes that are hit during Precount are not recorded at all.
In case it’s not obvious: this is problematic because even if I intend to hit the 1st beat of the 1st bar (after a potential quantization), obviously about 50% of the time, I’ll hit the key a few milliseconds BEFORE the start of the “actual” bar instead of 50% AFTER. So, in roughly 50% of cases, the initial note is not recorded if I want it on the first beat.
Other apps (f.e. Xequence) handle this correctly.