Ok, thats rigth in the FW shiped with the Boards <1.1.4 ist was set to 220x220x250, with the new board 1.1.4 FW is set to 235x235 wich is realy the maximum size oft the plate.
So 220 is right, when you don't change anything...
If you change your FW 230x230 is quite well printable, never tried to print something 235x235...I don't think this will work well...
somehow my profiles where based on the standard profile with now has 0,32 layer high, so it changed as well, now I changed this back to 0,2 and it is OK for me, the layer with of 0,44 vs. 0,4 seems to be ok for now I don't see a benefit here but it doesn't seem to be wrong either.