I have run a new 0.97.5 game and run > 50 invasion tests on five different planets, both major and minors, and with different approaches to the attack and different combinations of transports and different populations in transports. So far I have have had ZERO bad invasion events. I have been defeated some times, but that was poor leadership, those leaders will be sacked.
Very curious what results other people are having with the latest hot fix.