A service can now be marked as synchronized; when set, all method calls involving this service will be called each time this service is set. When in a scope, methods are also called to restore the previous version of the service.
This broke when 2.0 was recently merged into master with b9daae2847, as the Yaml fixture change from 24a0d0a2dc was not included.
b9daae2847
24a0d0a2dc
This is the first step to make each Symfony Component and Bridge self-contained.