I've read that the Antipodean 12 Foot Skiff is the hardest dinghy to sail. I won't doubt it. A short dinghy is always twitchy; two wiring is always tricky; no limit on the sail area just ups the ante. Here is a short drone video of a 12 Foot Skiff jib-reaching back and forth. Even without the assymetric spinnaker up, you get a good feel for how on the edge this dinghy is, how much skill she requires from the crew, as she blasts along.
Earwigoagin has featured the slightly more sane 12 foot Cherub dinghy in several posts:
Bio Video from the Art Shutter Channel
19 hours ago