Sony Vegas 7.0a -

It offered robust support for HDV and XDCAM formats, allowing editors to work with high-resolution footage that was just starting to become mainstream.

Sony Vegas 7.0a introduced several "cutting-edge" features for its time, many of which set the standard for modern NLEs: sony vegas 7.0a

is not the best video editor in the world anymore. It cannot handle 4K, it hates modern codecs, and it will crash if you look at an H.265 file the wrong way. It offered robust support for HDV and XDCAM