545 B
545 B
UPGRADE FROM 3.3 to 3.4
DependencyInjection
- Top-level anonymous services in XML are deprecated and will throw an exception in Symfony 4.0.
Finder
- The
Symfony\Component\Finder\Iterator\FilterIterator
class has been deprecated and will be removed in 4.0 as it used to fix a bug which existed before version 5.5.23/5.6.7.
Validator
- Not setting the
strict
option of theChoice
constraint totrue
is deprecated and will throw an exception in Symfony 4.0.