> Just tried what's available on mainline You mean you built OpenOCD from the repo master branch?
https://github.com/openocd-org/openocd Or you got the latest from your OS's software repo? The latter may not be the very latest. > and it doesn't seem to be supported there. What happens? Verbose `-d3` log? Is this of any use perhaps? https://forum.electro-smith.com/t/openocd-with-st-link-v3-mini-resolved/2308 BR, Aleks
