Apple M1 processor support: Native compatibility for these new processors in new 13″ Mac Book Pros and Mac Minis will be added in a 2021 release.If you’re running Lightroom 6 or an even earlier version, you should never update to Big Sur (or Catalina).Compatibility of Lightroom Classic 9.x (and all earlier versions) was not tested and is not guaranteed.13, 2020 there are no known issues with Lightroom Classic 10.x. Lightroom Classic Compatibility with MacOS Big Sur ( Read about it from CNN here.) In advance of this the Adobe Lightroom team worked to make Lightroom Classic 10.0, cloud-based Lightroom 4.0 and Photoshop 22.0 compatible with Big Sur. Apple this week released its new Big Sur operating system.