QUERY · ISSUE
micropython.org Pyboard D downloads page
This arose in the forum.
Unlike Pyboard 1.x there are no firmware builds available for the D series with threading enabled.
CANDIDATE · ISSUE
Pyboard 1.1 threaded build: user boot mode fails
bug
Release build V1.18 (threaded) on Pyboard 1.1.
Pressing Reset with User button down seems to lock the board up. It does not cycle the LED's. Note that the problem is limited to the threaded build. See this forum post.