Provide up to date information about Solr server compability

I see the compatibility matrix was removed → from the project page a couple of months ago, and there doesnt seem to be much of a replacement.

I do think this matrix was particularly helpful, as it helped guide and communicate what the deprecation schedule for Solr support is, to facilitate planning.

I do appreciate the "Supports Solr versions from 3.6 to 9.x" applied to releases themselves, https://www.drupal.org/project/search_api_solr/releases/4.3.10 → .

But given that message, how can I answer when 3.6 or 3.x will be unsupported? for example.

Maybe an up to date matrix on the project page isnt the answer, but a docs page linked from project page is the answer.

Further, I do understand Solr module 4.x is the only supported version. I'm on 4.3.10. Its all server support I'm asking about.

Supplemental note, the README is a bit out of date, it says:

Note: Solr 6.x is still supported by search_api_solr but strongly discouraged.
That version has been declared end-of-life by the Apache Solr project and is
thus no longer supported by them.

But it seems all versions from 3 through 9 are now supported [once again] ?

Clarification would help a lot ;)