Do you mean SR is giving love to ESP32’s but not so much for ESP8266’s?
That’s exactly how I’d describe it. I pestered the SR developers about it and I think we will probably get someone to at least get the 0.13 changes in. It sounded like Blazoncek would even be willing to help with that. There were a lot of important changes between 0.12 and 0.13. As it stands right now, you will have to decide between the mic not working with AC version; and the IR remote and multiple buttons not working with SR version. If we get a 0.13 version for SR then everything will work. After playing with both, I decided that AC version was just a better fit at this point. If/when SR gets updated to 0.13, I’ll likely switch to that.
As to what is different between main SR tree and SR ESP8266 tree, biggest difference is missing both 2D matrix and FFT effects.
For the multiple outputs, I soldered data lines on to the exposed pads labelled D4 / D3 yesterday. But I was unable to get either of them to work. I contacted the folks who traced out the original SP501E board and asked if they would be willing to do the same for the SP511E. I haven’t heard back yet.
Is there interest in the SR 0.12 firmware?