For version 03x:
a) more messages from corps/units
b) now, HW requests player action for some AI orders:
b1) support order to help a friend unit,
b2) charge opponent unit running away
b3) artillery unit : unlimber cannon or retreat when threat...
c) graphic : almost all procedures for HW2 are implemented in this new patch
d) PBEM : 2 sequences for each turn (instead 3 ones)
JMM