OP: thanks for sharing! If you notice slow app startup times, it may be snap: I decided not to publish a snap version of PhotoStructure due to extremely poor performance (especially on low powered VPSes).
Also, know that there are tons of alternative DAMs! Alex recently wrote up a good overview on arstechnica (I was delighted that PhotoStructure tied for first place in a couple categories):
https://arstechnica.com/gadgets/2021/06/the-big-alternatives...