TinyMCE has been updated, thats why you are recieving this email.
It was time for the 3.5 branch to go from beta to a production release. The 3.5 version includes HTML5 support, style preview support, rewritten noneditable plugin, selection and caret behavior changes/fixes, new enter/return logic and much more check the changelog on our website for details.
This is also the first official release of the NuGet packages for TinyMCE.
Thanks for all bug reports and help with testing out the beta versions.