This April, Adobe revealed many of the new features of Creative Cloud at NAB 2014, but that was for After Effects, Premiere, & the other video apps. It appears there's more -- over 1000 updates for 14 desktop apps, and numerous mobile and cloud updates.
Creative Cloud NAB 2014 Reveal was already detailed new features of the video apps, including additional tutorials and reviews by others. Highlights for the overall release is at PVC, Creative Cloud 2014 Release.
Note: The new versions (2014) install next to old versions, so plug-ins can be integrated when feasible. They may not all work correctly and this let's you manage your migration to the new app. If you don't see the 2014 updates, restart the Creative Cloud desktop application.
Adobe Add-Ons are available as plug-ins, presets, HTML5 panels, and such (with forum). The new After Effects HTML5 panel SDK & plug-in SDK is also available. Scripting update notes were already posted at the bottom of Todd Kopriva's new and changed detail notes. ProEXR v1.9 was released with After Effects CC 2014 (13.0); download for older versions from fnord software website.