I once had a Photos library that consumed 250 Gb - for 80 Gb worth of photos. Thankfully there was some third party software that could automatically export and

I once had a Photos library that consumed 250 Gb - for 80 Gb worth of photos. Thankfully there was some third party software that could automatically export and reimport all photos (it took hours), which shrank the library back to its actual size. Nevertheless, I soon stopped using Photos...