RISC-V is coming along quite speedily: Milk-V Titan Mini-ITX 8-core board

https://www.tomshardware.com/pc-components/cpus/milk-v-titan-mini-ix-board-with-ur-dp1000-processor-shows-risc-v-ecosystem-taking-shape-m-2-ddr4-and-pcie-card-support-form-a-kit-that-you-can-use-out-of-the-box

https://news.ycombinator.com/item?id=46677212