Back in 2019 I had a refund on Vegas pro 17 POST as it was incompatible (only when using the POST part from HITFILM) with BCC from BORIS.
So basically 3 companies were involved, Magix's Vegas, Post part from Hitfilm, and BCC from Boris. All 3 companies acknowledged me the interop issue and promised to look for a fix. I never heard any solution since. There has been some workarounds offered in this forum, as manually moving stuff from common folders, but these have serious drawbacks to, especially if you use more than just one NLE such as Vegas.
So what is the status now?