Derick Rethans points out a milestone in the life of the eZ Components project - the release of their fourth major version:

Earlier today we, the eZ Components development team, put out our fourth major release. This new release comes with two new components (Authentication and Workflow) as well as more than 200 other updates.

He details what the two new components are all about and includes comments about the stability of the eZ Components libraries (due to the use of test-driven development) and mentions one component in particular - Mail.