I certainly hope we don't have to wait for the RTX 5000 series or worse in 2024/2025 to at least start seeing some experimental 10k/12k files, file size be damned. 50 GB, load me up. As most in this thread probably already know, the current mid to high end headsets have already maxed these files out. However, this is going to get worse soon.
2023
Quest 3 - Rumored by SadlyItsBradley to have 30% higher resolution, which is consistent with past increases
Pimax Crystal - Insanely high 2880x2880 per eye resolution with QLED, quantum DOT layer and local dimming
Apple - late 2023, maybe? 4k per eye rumored
2024
Quest Pro 2 - per Meta's usual cadence (year unconfirmed but something either 2024 or 2025 is certain)
Other high end headsets - particulars are unconfirmed but as a law of averages we have to see something from at least some of the following: Pimax (12k), Valve, HP, Samsung, etc.
So for the love of all that is enthusiast VR porn, SLR or whoever please get us some 10k content. Even 10k at approximately 10,000 x 5,000 (50MP) would blow 8k out of the water, so this would hold us over a few years.