Tartiflette, this has always been my favorite mod, and the Pandemonium my favorite ship. I adore the new sprite work so much. I'm having a blast with it even with the apparent nerfs, and the military Rime just looks so cool.
For everyone else, this update is not save compatible. But, if you're like me, and desperate to try it out and equally recalcitrant to ditch an old save, you can MAKE it save compatible! Sort of!
Using Notepad++, I edited my save to remove any reference to the weapons which had their filenames altered. Off the top of my head, these were the Artassault, the Trifire scatter cannon, and... the Recson single, I think. Now, I'm not a modder and I barely have the cognition necessary to know what I'm doing, so I don't know if kludging my save into a compatible state like that is going to have any weird unintended side effects. BUT! It did get my old save to load, and it seems to be working without issue so far. I used console commands to give myself the BPs for the new weapons, wings, and ships, since I wasn't sure they'd spawn in the wild since my sector had already been generated.