While SiFive has sadly shutdown production on the current HiFive Unmatched development board in order to focus on new products expected later this year, those with a SiFive HiFive Unmatched RISC-V developer board can enjoy seeing continued performance improvements with newer Linux distributions. Here is a look at the SiFive FU740 SoC performance under the recently released Ubuntu 22.04 LTS compared to the prior 21.10 and 20.04 releases.