Appearently, every version (even minor versions) contains a lot of new stuff.
it will need bazel to build now
Anki upstream is at 2.1.49 as of 26 October 2021.
Someone commented below that it will need bazel to build. Don't know how inconvenient that is, but i wanted to express why the bump is something that would be pretty nice just by giving examples to anki addons that don't seem to work (based on what the anki webpage tells us) in just some minor versions before. Sorting by ratings I found this in the top 10: