Maybe the name "caravel" is new, but the presence of a standardized harness was announced at the same time as the whole initiative.
There's some discussion of the harness on skywater-pdk-users, and it was mentioned in various comments in the previous discussion on HN: https://news.ycombinator.com/item?id=23755693
There's some discussion of the harness on skywater-pdk-users, and it was mentioned in various comments in the previous discussion on HN: https://news.ycombinator.com/item?id=23755693