After updating to Composer 2.0 I got into problems on doing my Travis. I have a TYPO3 Extension, that I want to test with multiple TYPO3 Versions. Till yesterday I could do this with composer require nimut/typo3-complete:$TYPO3_VERSION (coming from the version Matrix). After the update I got following error/information. As I have no composer.lock in my repository, I tested my