The Catalyst Developement Team has recently uploaded to CPAN the most recent (and hopefully the last) development release of the Catalyst to Plack / PSGI porting project.
For those of you not following Catalyst development, this is a project to remove all the custom Catalyst::Engine code in favor of Plack. This will have the upside of reducing Catalyst development maintainance as well as bring more people into the Plack project.
I'll be writing more about the benefits of the project when the code comes out of development status, however if you are using Catalyst (or planning to use it) you should familiarize yourself with this release and test any existing code you might have on it.
Thanks!