Just to mention - in Codeception you can have the same test running via PHPUnit 5.6 & PHPUnit 9 so it's not a problem to do internal PHPUnit codebase changes, maintenance upgrades without breaking compatibility
The first question from Viktor to Sebastian was: current version of phpunit is 9. My team uses phpunit 5.6 and I feel bad about it. Why PHP Unit is versioning so fast?
Just to mention - in Codeception you can have the same test running via PHPUnit 5.6 & PHPUnit 9 so it's not a problem to do internal PHPUnit codebase changes, maintenance upgrades without breaking compatibility
You sold me your stuff mate. Shut up and take my 💸