qdb> "MediaWiki requires the PSR-3 logging library to be present" - cannot i just turn that logging off?
No answer anywhere:
$ grep -B 1 PSR RELEASE-NOTES-1.25
* The debug logging internals have been overhauled, and are now using the
PSR-3 interfaces.
https://www.mediawiki.org/w/index.php?title=Special%3ASearch&profile=advanced&search=PSR-3+logging+library&fulltext=Search&ns12=1&ns100=1&profile=advanced
Documentation needed:
* Add breaking change and new installation requirement to release notes
* Add requirement to https://www.mediawiki.org/wiki/Manual:Installation_guide#Upgrade_guide
* Evaluate what needs to be included in the release tarball
* Depending on amount of work needed by sysadmins, add a note and link on [[MediaWiki 1.25]] and mediawiki-l