https://milkv.io/pioneer seems to be what you are looking for, but I'd only recommend it for developers who are working on getting things like gpu drivers ported.
For most development smaller SBCs are enough, and I'd recommend waiting for RVA22/23 profile supporting hardware before spending a lot of money, because most current chips use the non standard vector isa and don't support all profile extensions, because they where created before everything was ratified.
For most development smaller SBCs are enough, and I'd recommend waiting for RVA22/23 profile supporting hardware before spending a lot of money, because most current chips use the non standard vector isa and don't support all profile extensions, because they where created before everything was ratified.