Changes in version 2.4

Deprecated the assetic:dump --watch option in favor of the new assetic:watch command
Added support for running assetic:dump across multiple processes using kriswallsmith/spork

Changes in version 2.1

Friendlier exception message when using Assetic in a bundle that Assetic has not been configured to scan
Assets are no longer dumped to the filesystem when cache:warmup is run. This can only be done using the assetic:dump command
Added support for GSS filter
Assetic's routes are now automatically added when use_controller is true