Big thanks to pinto2 for the heads up on this one.
Download (OP friendly version): http://codeguys.rpc1.org/firmwares.html
This firmware is dated 1 October and has 224 media codes. This is 30 more than TS0D and 6 less than BS0H, as the DL media codes are missing.
It appears to support bitsetting but I have not tested it…