
With the launch of Firefox 38 today, the default version of the browser now supports the Encrypted Media Extensions API on Windows desktop (Vista+) and automatically downloads the Adobe Content Decryption Module (CDM). In addition, however, Mozilla also announced the launch of a separate Firefox download that won’t automatically install Adobe’s technology for playing back DRM-wrapped content in the browser. Today, the organization officially launched HTML5 DRM support with the release of Firefox 38.

Almost exactly a year ago, Mozilla announced that it would (very reluctantly) implement the HTML5 DRM specs into Firefox.
