The difference between V0.1 and V1.1 is voltage regulator to deal with excessive heating issues. Nothing else different.
If you are using MinimOSD with APM. You may found annoy message shown on FPV as “Update CharSet.”. This can hide by press reset button on MinimOSD. Or another way is hardcode and remove this charset upgrade process out from startup. Look below example.
Remark 3 link in pink mark with “//” then upload this into your MinimOSD.