Add pre-commit check for migration version sync between defaults and examples/vars.yml

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

group_vars/matrix_servers

@@ -4909,8 +4909,6 @@ matrix_synapse_experimental_features_msc4108_enabled: "{{ matrix_authentication_
 
 matrix_synapse_experimental_features_msc4140_enabled: "{{ matrix_rtc_enabled }}"
 
-matrix_synapse_experimental_features_msc4143_enabled: "{{ matrix_rtc_enabled }}"
-
 matrix_synapse_experimental_features_msc4222_enabled: "{{ matrix_rtc_enabled }}"
 
 # Disable password authentication when delegating authentication to Matrix Authentication Service.

requirements.yml

@@ -30,7 +30,7 @@
   version: v2.6.1-3
   name: etherpad
 - src: git+https://github.com/mother-of-all-self-hosting/ansible-role-exim-relay.git
-  version: v4.99.1-r0-1-0
+  version: v4.99.1-r0-0-1
   name: exim_relay
 - src: git+https://github.com/mother-of-all-self-hosting/ansible-role-grafana.git
   version: v11.6.5-9
@@ -75,7 +75,7 @@
   version: v0.19.1-3
   name: prometheus_postgres_exporter
 - src: git+https://github.com/mother-of-all-self-hosting/ansible-role-sable.git
-  version: v1.6.0-3
+  version: v1.6.0-2
   name: sable
 - src: git+https://github.com/devture/com.devture.ansible.role.systemd_docker_base.git
   version: v1.5.0-0

roles/custom/matrix-synapse/defaults/main.yml

@@ -1430,13 +1430,6 @@ matrix_synapse_experimental_features_msc4140_enabled: false
 # See `matrix_synapse_experimental_features_msc4140_enabled`.
 matrix_synapse_max_event_delay_duration: 24h
 
-# Controls whether to enable the MSC4143 experimental feature (RTC transports).
-#
-# This is used by MatrixRTC clients to discover the unstable RTC transports API.
-#
-# See https://github.com/matrix-org/matrix-spec-proposals/pull/4143
-matrix_synapse_experimental_features_msc4143_enabled: false
-
 # Controls whether to enable the MSC4222 experimental feature (adding `state_after` to sync v2).
 #
 # Allow clients to opt-in to a change of the sync v2 API that allows them to correctly track the state of the room.

roles/custom/matrix-synapse/templates/synapse/homeserver.yaml.j2

@@ -3010,9 +3010,6 @@ experimental_features:
   {% if matrix_synapse_experimental_features_msc4140_enabled %}
   msc4140_enabled: true
   {% endif %}
-  {% if matrix_synapse_experimental_features_msc4143_enabled %}
-  msc4143_enabled: true
-  {% endif %}
   {% if matrix_synapse_experimental_features_msc4222_enabled %}
   msc4222_enabled: true
   {% endif %}