@Allee I think there is something very strange going on here. Since updating my DECO PX50 to firmware 1.2.2 Build 20231226 Rel. 74361 a few days ago I've been experiencing problems with Google Home, Google Speakers, Spotify and streaming sound from my Android phone. I've checked all the network settings including the Deco advanced setting for Advanced:NAT Forwarding: SIP ALG . If I try and issue normal 'OK Google play .. ' commands the Nest speakers respond as if they are going to obey but now sound ensues. If I explicitly stream sound from an Android App {eg. BBC Sounds} it will work as expected [including to Google Home speaker groups] but I'm unable to stream audio from Spotify. Spotify shows the speaker as being available and tries to connect the speaker 'pings' as if it is going to connect but the connection fails and spotify hangs trying to complete.

I've tried all the recommended: Deco, Google Home, Android, Spotify fixes but none of them work. I can't be certain as to the cause of the problem but the only change has been the update of the Deco PX50 firmware. I'm not sure if it is possible to revert the firmware to confirm that the update is the cause of the problem but it seems to be the most likely cause.

Will update here with an further information I gain.

Ok. Tried reverting Deco PX50 Firmware to the previous version ( 1.2.1 Build 20230920 Rel. 62115 ) but problems with Google Home and Spotify remain the same as described above. That would indicate the source of the problem is not the Deco network or firmware. I've been away from my network for a couple of weeks, so there may have been some Google Home and/or Spotify update that has caused the problem.

I will post any further updates I have on the problem here but meantime I'm at a dead-end in trying to chase down this problem.

As a temporary workaround for anyone using Android / Google Home / Spotify you can use the Google Home app to stream your phones audio to a Google speaker. Then when you play Spotify on the handset audio will be streamed.

The problem appears to be something specific to Spotify Connect.

Just done some more research looks like this is a known Google Home fault that has arisen in the recent past. Google are aware of a problem and working on a fix. Will post here once fixed.