Rigel 1.11.1
(RXD) Minor hashrate/efficiency improvements
Add RTH+PYI, ERG+PYI, CFX+PYI, +ZIL mining support, see bat/sh scripts
Bug fixes:

(PYI, KLS) Extranonce parsing error when mining to stratum bridges
The miner accepts multiple overclock arguments for the same GPU / clock type instead of displaying an error

https://github.com/rigelminer/rigel/releases/tag/1.11.1
Be sure to check the links with the first post from the developer. There you will find links to the official github and discord!
https://bitcointalk.org/index.php?topic=5424675