I am sure it is me... :-)
Installed the new mrpi into my KOA2. No issue. Tried to do the new python package and getting this in my mrinstaller.log:
Package 'Update_python_0.15.N_install_pw2_kt2_kv_pw3_koa_k t3_koa2_pw4_kt4.bin' (python 0.15.N I WARIO+ZELDA+REX) is not targeting your device [34A vs. D4 5A D5 D6 D7 D8 F2 17 60 62 5F 61 C6 DD 13 54 53 2A 52 0G1 0G7 0G6 0G2 0G5 0G4 0KB 0KC 0LK 0LL 0KE 0KF 0GC 0GD 0GU 0GR 0GT 0K9 0KA 0P8 0S1 0SA 0S2 0PP 0T6 0T1 0T2 102 0T3 10L 0WH], skipping . . .
Yes, I am seeing the BIG BOX on my device.