RIOS Lab was a part of the upstreaming effort for the RISC-V port of V8, implementing the RISC-V ‘C’ extension. The ‘C’ extension optimized the V8 engine by reducing compiled code size. The RISC-V port of V8 has already been pushed to the official V8 upstream repository in February 2021.
Please refer to our project roadmap and workgroups for more details.