@Morvael - Yes, I've been reading all the posts and the warnings about these patches, so no finger-pointing from me at all. :) Teh risk was ours. The other player upgraded without checking with me first, so I had to upgrade as well and cross my fingers. It apparently went boom. Not a huge deal since I was only finishing Axis Turn2. We're starting over.
Just to be clear, I haven't had any save or load glitches myself. I saved PBEM turn, sent it to other player, and he reported getting runtime errors.
Since this is a PBEM both sides have passwords. I made the following saves:
Axis end of turn, before hitting F12, under v11.03 from Steam.
Axis end of turn, before hitting F12, under v12.01.1 beta from Steam.
Axis end of turn, after hitting F12, under v12.01.1 beta from Steam.
I'm attaching the second of those, and sending you my match password in a PM. Not sure if that'll be any help in troubleshooting but worth a try. If you want another of those saves, or for me to ask the other player to send you what he received and his turn password, please let us know.