This is an important bug fixing release for CKEditor 3.3 users. It solves a few important issues introduced by that release.
This is a safe upgrade release for 3.3 installations.
Check out the What's New? page for the full list of changes.
CKEditor is available in Open Source and Commercial licenses. Full details can be found at our license page.
Please use the CKEditor development web site to report issues and suggestions through tickets.