New experimental "Sendspin protocol" (formerly "Resonate" audio experience) for streaming synchronized multi-room audio and HiFi music playback to multiple media player appliances and smart speakers running ESPHome on ESP32 or Linux on Raspberry Pi (Zero)

FYI, Music Assistant 2.7.0 BETA / NIGHTLY releases (i.e. Music Assistant Server) has now added an initial (experimental) MA “music provider” for this new Resonate streaming protocol:

Note that there is still not yet any Resonate clients released so those you currently need to build yourself if you want to experiment with this:

Note that it does however not yet look to be documented under music providers: