Please, download the ZIP file at https://www.dropbox.com/s/kos0vwlbf2403e1/Vegas%20Pro%20-%20Alpha%20Channel%20in%2032-bit.zip?dl=1
Vegas Pro 16 Drop Shadow and Alpha Channel Opacity Test Results.
All shadows of rendered PNG files in 8-bit mode are with opacity values correct.
All alpha channel opacity in 8-bit mode are with opacity values correct.
The same can not be said of the results in the 32-bit project.
Vegas Pro's inconsistency in how to handle alpha channel opacity values in 32-bit mode has proven to be a complete disaster!
Vegas Pro imports TIFF and EXR without detecting that the file has an alpha channel. The program operator must manually inform that the TIFF or EXR file has an alpha channel. This is very unproductive, and slows down the workflow. Some problem occur with .MOV files with alpha channel. Vegas Pro is "blind" to detect alpha channels in this file formats.
The project Opacity 1 to 100 in 32-bit mode.veg results several values depending to the source file format. All of them different than source file transparency value.
Vegas Pro has shown it to be unreliable in the percentage indices of alpha channel transparency in 32-bit mode.