Papilio is pretty thoroughly dead. The boards have been out of stock for years, and Xilinx ISE doesn't even run on Windows 11.
Re:Arduino raises $32M Series B round
by iostream24 on Saturday June 11, 2022 @01:34AM
(#31702215)
Fine. The parent comment was waiting for the day Arduino-level-ease would arrive for hardware design.
Ok, so it came and went. A decade ago.
It’s been around for awhile now… more than a decade
https://papilio.cc/