So two days following this post, AMD support was able to get back to me. As I wrote this community post following my support ticket, I did leave out key information which elstaci was nice enough to point out. Below is the additional information I was provided that gives me a bit better insight. Also, thank you elstaci for your feedback and the information you provided.
I am using a Radeon Pro Vega 64 card. The OS running is windows 10, but it's accomplished through bootcamp (on an iMac Pro). That being said, AMD informed me that they themselves actually don't produce and push graphics drivers for my GPU. AMD conveyed that Apple is actually the responsible entity for development and distribution of AMD driver updates for my particular graphics card. Seems a bit odd, as AMD built the card, so why wouldn't they produce the drivers?
Also, don't get me wrong that Apple has it's inherent limitations with ventilation in the PC. So I don't expect to run 5K Ultra graphics on games, and at times, expect to experience thermal throttling. But I have limited my processor to 99% run capacity when gaming to avoid the automated overclocking (I think it's called Apple Boost?) and help regulate temperature inside the device. So I'm taking multiple avenues to better improve my gaming experience. Additionally, most games can run at a functional state on medium graphics and resolution. However, as I discuss below, there is one game in particular that sparked my investigation into AMD software/drivers and to open a support ticket and reach out to the community.
In any case, AMD support has informed me that they are unaware of any future driver updates being pushed by Apple at this time. So they recommend I open a support ticket with Apple to pursue that route. I guess this also better explains why the newest AMD driver updates aren't able to recognize my graphics card. However, I do find that their support page for error 173 is way too limited, and should have information like this posted to it. I cant imagine I'm the first person to ever ask these questions.
On another avenue, the particular game I have having severe issues running, is Halo Infinite. No surprise right? I've also opened a support ticket with them (as I presume hundreds or maybe even thousands of others have from reading community and support pages). From what I have found, the game is severely limited on optimization for PC and has a large amount of bugs since the campaign release. I've even had a friend running an NVIDIA GeForce GTX 2080 Ti card that ramped up to 100% GPU usage, his FPS dropped to less that 20 and held steady for the rest of his game time. His only method of correction was to shut the game down, switch games for a bit to let the card cool off, then return to it later.
I'm working to build an upgraded PC myself, but the market is stretched thin at the moment. Especially on GPUs. So troubleshooting is really my only option right now. Again, I really appreciate the feedback. If anyone has any additional information on my situation, please let me know!
