# Upgrade from 3.X to 4.X

Version 3 and 4 are *functionally the same*, the only new things brought to 4.X
are support for Symfony ^5.0.

## Dropped Support for Symfony 3.4

Stick with v4 of this bundle should Symfony 3.4 support still be required.

## Only Symfony ^4.4 and ^5.0 Supported

4.4 is the latest long term service release. Stick with v3 of this bundle
should support for Symfony 3.4 still be required.