I haven't done much with it yet, but I'm excited about the bare-metal (no_std) rust support for the esp32c3 (as opposed to some other variants that require a custom toolchain as I understand it).
I hope to eventually get it working with MQTT (there may be examples already, I haven't yet looked in-depth), at which point I think this will be my go-to for the majority of my IOT projects going forward!
Lots of details at <https://mabez.dev/blog/posts/>, and some examples of wifi on bare-metal at <https://github.com/esp-rs/esp-wifi>.
I hope to eventually get it working with MQTT (there may be examples already, I haven't yet looked in-depth), at which point I think this will be my go-to for the majority of my IOT projects going forward!