If you look at the page for the gr765 the parent poster linked to, you can see that the customer can choose the gr765 with either SPARC or RISC-V cores. I think

If you look at the page for the gr765 the parent poster linked to, you can see that the customer can choose the gr765 with either SPARC or RISC-V cores. I think you're right that the plan is to transition to RISC-V, given that the SPARC ecosystem otherwise is pretty moribund.