This is the next quarterly update of the esp-rs effort, detailing the progress over Q4 2023. Rust Compiler Upstream Over Q4 we saw many improvements to the upstream RISC-V targets. Firstly, all bare metal non-atomic (not a) targets now have atomic load/store code generation enabled! This was a massive pain point for users of the ESP32C3 and ESP32C2, along with other RISC-V targets in the wild. It's currently still in nightly, but with the 1.76, release it will be available on stable. Secondly, w...