Symfony 3.4 LTS: the bridge you actually want to cross
Symfony 3.4 and 4.0 were released the same day: November 30, 2017. That’s not a coincidence, it’s the strategy. 3.4 is not a feature release. It ships with exactly the same features as 3.3, plus every deprecation warning that 4.0 will enforce. Its whole purpose is to be the migration tool: upgrade from 3.3 to 3.4, fix what’s in your logs, then step to 4.0 cleanly. Why LTS releases matter in Symfony’s model Symfony releases a new minor version every six months. That pace would be brutal for production apps to follow, so the project designates every fourth minor as an LTS: three years of bug fixes, four of security fixes. Which means teams can target 3.4 and mostly stop thinking about upgrades for a while. ...