For this update, we fixed a bug with obsoleting ships that was causing missing graphics and crashing. I believe that this fix will also prevent the corrupted save game issue for new games started in 1.80c, but I'm afraid that the current corrupted games are permanently broken. We also fixed another low res ship thumbnail.
Hopefully we won't need to make another update to 1.8 for awhile so that we can go full steam ahead on Twilight of the Arnor.