: Improved support for various video codecs and playback stability.

If you are looking for the actual technical features added in version 6.75 of Cockos REAPER, the release notes highlight:

: Bug fixes related to VST plug-in scanning and UI responsiveness. A Better Way to Use REAPER

It uses a common pattern found on pirate sites—promising a "100% working crack" or "license key" for —but it does not describe a legitimate feature of the software. Why this is a risk: