Fixed an issue where audio effects could have an unintended cumulative effect during playback.
Here are some general points about this patch: Sony Vegas Pro 15.0.0 Build 177 Patch
Here are some "Technical Specifications" of Sony Vegas Pro 15.0.0 Build 177 : Overview Option 2: Humble Bundle or Sales Audio
Explain how to use the new icons on the clips themselves for instant FX or Pan/Crop access. Sony Vegas Pro 15.0.0 Build 177 Patch