Use media_player join and unjoin

config/blueprints/script/sonos_join.yaml

@@ -9,10 +9,10 @@ blueprint:
           integration: media_player
 
 sequence:
-  - service: sonos.join
+  - service: media_player.join
-    entity_id: !input join_player
     data_template:
-      master: >-
+      group_members: !input join_player
+      entity_id: >-
         {% if is_state('binary_sensor.sonos_is_living_room_master', 'on') %}
           media_player.living_room
         {% else %}

config/packages/devices/living_room/living_room_opple.yaml

@@ -104,12 +104,12 @@ automation:
           - service: automation.turn_off
             entity_id: automation.tv_sonos_join_tv_on_google_cast
 
-          - service: sonos.join
+          - service: media_player.joing
-            entity_id:
+            entity_id: media_player.master_bedroom
-              - media_player.kitchen
-              - media_player.bathroom
             data:
-              master: media_player.master_bedroom
+              group_members:
+                - media_player.kitchen
+                - media_player.bathroom
 
           # Music play, without the join
           - service: media_player.volume_set

config/packages/devices/living_room/tv.yaml

@@ -35,7 +35,7 @@ script:
   tv_prepare_for_playback:
     alias: TV · Prepare for playback
     sequence:
-      - service: sonos.unjoin
+      - service: media_player.unjoin
         entity_id: media_player.living_room
       - service: media_player.select_source
         entity_id: media_player.living_room

config/packages/modules/media/plex.yaml

@@ -10,7 +10,7 @@ automation:
           - media_player.plex_lg
         to: "playing"
     action:
-      - service: sonos.unjoin
+      - service: media_player.unjoin
         entity_id: media_player.living_room
       - service: media_player.select_source
         entity_id: media_player.living_room

config/packages/modules/media/sonos.yaml

@@ -1,14 +1,5 @@
 # Depends on Sonos integration (config flow): https://www.home-assistant.io/integrations/sonos
 
-group:
-  all_sonos:
-    name: All Sonos
-    entities:
-      - media_player.master_bedroom
-      - media_player.living_room
-      - media_player.kitchen
-      - media_player.bathroom
-
 binary_sensor:
   - platform: template
     sensors:
@@ -52,18 +43,26 @@ script:
       - condition: state
         entity_id: input_select.bedroom_mode
         state: "day"
-      - service: sonos.join
+      - service: media_player.join
-        entity_id: group.all_sonos
+        entity_id: media_player.master_bedroom
         data:
-          master: media_player.master_bedroom
+          group_members:
+            - media_player.master_bedroom
+            - media_player.living_room
+            - media_player.kitchen
+            - media_player.bathroom
 
   sonos_join_tv:
     alias: Sonos · Join to TV
     sequence:
-      - service: sonos.join
+      - service: media_player.join
-        entity_id: group.all_sonos
+        entity_id: media_player.living_room
         data:
-          master: media_player.living_room
+          group_members:
+            - media_player.master_bedroom
+            - media_player.living_room
+            - media_player.kitchen
+            - media_player.bathroom
       - service: media_player.select_source
         entity_id: media_player.living_room
         data:
@@ -72,7 +71,7 @@ script:
   sonos_kitchen_unjoin:
     alias: Sonos · Kitchen · Unjoin
     sequence:
-      - service: sonos.unjoin
+      - service: media_player.unjoin
         entity_id: media_player.kitchen
 
   sonos_kitchen_join:
@@ -85,7 +84,7 @@ script:
   sonos_bathroom_unjoin:
     alias: Sonos · Bathroom · Unjoin
     sequence:
-      - service: sonos.unjoin
+      - service: media_player.unjoin
         entity_id: media_player.bathroom
 
   sonos_bathroom_join:

config/packages/routines/bedtime.yaml

@@ -2,7 +2,7 @@ script:
   routine_bedroom_bedtime:
     alias: Routine · Bedroom · Bedtime
     sequence:
-      - service: sonos.unjoin
+      - service: media_player.unjoin
         entity_id:
           - media_player.living_room
           - media_player.kitchen

config/packages/routines/good_night.yaml

@@ -2,7 +2,7 @@ script:
   bedroom_good_night:
     alias: Routine · Bedroom · Going to sleep
     sequence:
-      - service: sonos.unjoin
+      - service: media_player.unjoin
         entity_id: media_player.master_bedroom
       - service: media_player.media_stop
         entity_id: media_player.master_bedroom