diff --git a/changelog.d/2-wire-builds/wire-server-5.27-dup b/changelog.d/2-wire-builds/wire-server-5.27-dup
new file mode 100644
index 000000000..eef103064
--- /dev/null
+++ b/changelog.d/2-wire-builds/wire-server-5.27-dup
@@ -0,0 +1 @@
+Added: update prod and demo example values/secrets for wire-server 5.27, aligning PostgreSQL config, postgresMigration (conversation, teamFeatures), rabbitmq, and mlsPrivateKeys across all services
diff --git a/offline/tasks/proc_pull_charts.sh b/offline/tasks/proc_pull_charts.sh
index c069320c2..204bcd589 100755
--- a/offline/tasks/proc_pull_charts.sh
+++ b/offline/tasks/proc_pull_charts.sh
@@ -94,5 +94,5 @@ pull_charts() {
   #fi
 }
 
-wire_build="https://raw.githubusercontent.com/wireapp/wire-builds/pinned-offline-multi-20260224-142104/build.json"
+wire_build="https://raw.githubusercontent.com/wireapp/wire-builds/ecd204f07540e79fc1febe2483a42111129a5d0d/build.json"
 wire_build_chart_release "$wire_build" | pull_charts
diff --git a/values/wire-server/demo-values.example.yaml b/values/wire-server/demo-values.example.yaml
index 230fd6d7d..5a3e71a00 100644
--- a/values/wire-server/demo-values.example.yaml
+++ b/values/wire-server/demo-values.example.yaml
@@ -36,6 +36,8 @@ brig:
       port: "5432"
       user: wire-server
       dbname: wire-server
+    postgresqlPool:
+      size: 10 # adjust pool size as needed based on expected load and available resources
     useSES: false
     # Set to false if you want to hand out DynamoDB to store prekeys
     randomPrekeys: true
@@ -183,10 +185,14 @@ galley:
       port: "5432"
       user: wire-server
       dbname: wire-server
+    postgresqlPool:
+      size: 10 # adjust pool size as needed based on expected load and available resources
     # Explicitly set postgresMigration to cassandra for fresh deployments.
-    # This controls whether galley reads conversations from Cassandra or PostgreSQL.
+    # This controls whether galley reads conversations/teamFeatures from Cassandra or PostgreSQL.
     postgresMigration:
       conversation: cassandra
+      conversationCodes: cassandra
+      teamFeatures: cassandra
     enableFederation: false # Enable to use federation
     settings:
       # prefix URI used when inviting users to a conversation by link
@@ -366,13 +372,15 @@ background-worker:
       port: "5432"
       user: wire-server
       dbname: wire-server
-    # IMPORTANT: At Chart 5.25.0, the background-worker Helm chart incorrectly defaults
-    # postgresMigration.conversation to "postgresql" instead of "cassandra".
-    # This MUST be explicitly set to "cassandra" unless you have already migrated
-    # conversations to PostgreSQL. Without this override, User Group to Channel sync
-    # jobs will silently skip member synchronization.
+    postgresqlPool:
+      size: 5 # Background worker has fewer connections to DB, so smaller pool size is fine
     postgresMigration:
       conversation: cassandra
+      conversationCodes: cassandra
+      teamFeatures: cassandra
+    migrateConversations: false
+    migrateConversationCodes: false
+    migrateTeamFeatures: false
     # Enable for federation
     enableFederation: false
   metrics:
diff --git a/values/wire-server/prod-values.example.yaml b/values/wire-server/prod-values.example.yaml
index a0e8a2c67..c77923038 100644
--- a/values/wire-server/prod-values.example.yaml
+++ b/values/wire-server/prod-values.example.yaml
@@ -36,6 +36,8 @@ brig:
       port: "5432"
       user: wire-server
       dbname: wire-server
+    postgresqlPool:
+      size: 10 # adjust pool size as needed based on expected load and available resources
     useSES: false
     # Set to false if you want to hand out DynamoDB to store prekeys
     randomPrekeys: true
@@ -183,10 +185,14 @@ galley:
       port: "5432"
       user: wire-server
       dbname: wire-server
+    postgresqlPool:
+      size: 10 # adjust pool size as needed based on expected load and available resources
     # Explicitly set postgresMigration to cassandra for fresh deployments.
-    # This controls whether galley reads conversations from Cassandra or PostgreSQL.
+    # This controls whether galley reads conversations/teamFeatures from Cassandra or PostgreSQL.
     postgresMigration:
       conversation: cassandra
+      conversationCodes: cassandra
+      teamFeatures: cassandra
     enableFederation: false # Enable to use federation
     settings:
       # prefix URI used when inviting users to a conversation by link
@@ -366,13 +372,15 @@ background-worker:
       port: "5432"
       user: wire-server
       dbname: wire-server
-    # IMPORTANT: At Chart 5.25.0, the background-worker Helm chart incorrectly defaults
-    # postgresMigration.conversation to "postgresql" instead of "cassandra".
-    # This MUST be explicitly set to "cassandra" unless you have already migrated
-    # conversations to PostgreSQL. Without this override, User Group to Channel sync
-    # jobs will silently skip member synchronization.
+    postgresqlPool:
+      size: 5 # Background worker has fewer connections to DB, so smaller pool size is fine
     postgresMigration:
       conversation: cassandra
+      conversationCodes: cassandra
+      teamFeatures: cassandra
+    migrateConversations: false
+    migrateConversationCodes: false
+    migrateTeamFeatures: false
     # Enable for federation
     enableFederation: false
   metrics: