: It was one of the first versions to introduce native support for 4K resolution (up to 4096x4096 pixels).
HEVC/h.265, ProRes, DNxHD, MKV, FLAC, modern MOV from iPhones, 10-bit video, or 4K (max stable is 1080p). Sony Vegas Pro 9.0c -PC - Multi x32-
Save your project every 5-10 minutes ( Ctrl+S ). 32-bit Vegas is unstable with large projects. : It was one of the first versions