Vegas Pro 15.0.0 (Build 177) was the initial release version of the software after Magix acquired it from Sony

For owners of a valid serial number, the latest build can be downloaded through the MAGIX Download Center or via the Movie Studio Zen Update History for specific patch links. Known Issues in Early Builds

"Subject: Sony Vegas Pro 15.0.0 Build 177 Patch

Picture-in-Picture

: Allows for real-time size and position adjustments directly in the Video Preview window.

Customizable User Interface

: Introduced a new dark default theme with four background shade options (Dark, Medium, Light, and White) to reduce eye strain.