Deprecations are a to-do list, not noise
SYMFONY_DEPRECATIONS_HELPER='max[total]=20' ./bin/phpunit. Twenty is the number of deprecation warnings we had on the day we started counting. The rule is that it only goes down. Symfony 4.2 came out yesterday, on the six month schedule. With this cadence deprecation warnings stop being an event and become weather. Every minor release brings a new batch, teams train themselves not to see them, and that is a mistake, because a deprecation is the next major upgrade delivered early, in small pieces, with instructions. ...