diff --git a/docs/configuring-awx-system.md b/docs/configuring-awx-system.md
index 1ab6950a..87ea228a 100644
--- a/docs/configuring-awx-system.md
+++ b/docs/configuring-awx-system.md
@@ -31,9 +31,9 @@ Updates to this section are trailed here:
 
 ## Does I need an AWX setup to use this? How do I configure it? 
 
-Yes, you'll need to configure an AWX instance, the [Create AWX System](https://gitlab.com/GoMatrixHosting/create-awx-system) repository makes it easy to do. Just follow the steps listed in ['/docs/Installation.md' of that repository](https://gitlab.com/GoMatrixHosting/create-awx-system/-/blob/master/docs/Installation.md). 
+Yes, you'll need to configure an AWX instance, the [Create AWX System](https://gitlab.com/GoMatrixHosting/create-awx-system) repository makes it easy to do. Just follow the steps listed in ['/docs/Installation_AWX.md' of that repository](https://gitlab.com/GoMatrixHosting/create-awx-system/-/blob/master/docs/Installation_AWX.md). 
 
-For simpler installation steps you can use to get started with this system, check out our minimal installation guide at ['/doc/Installation_Minimal.md of that repository'](https://gitlab.com/GoMatrixHosting/create-awx-system/-/blob/master/docs/Installation_Minimal.md).
+For simpler installation steps you can use to get started with this system, check out our minimal installation guide at ['/doc/Installation_Minimal_AWX.md of that repository'](https://gitlab.com/GoMatrixHosting/create-awx-system/-/blob/master/docs/Installation_Minimal_AWX.md).
 
 
 ## Does I need a front-end WordPress site? And a DigitalOcean account? 
diff --git a/roles/matrix-awx/surveys/configure_email_relay.json.j2 b/roles/matrix-awx/surveys/configure_email_relay.json.j2
new file mode 100644
index 00000000..65c21a94
--- /dev/null
+++ b/roles/matrix-awx/surveys/configure_email_relay.json.j2
@@ -0,0 +1,19 @@
+{
+  "name": "Configure Email Relay",
+  "description": "Enable MailGun relay to increase verification email reliability.",
+  "spec": [
+    {
+      "question_name": "Enable Email Relay",
+      "question_description": "Enables the MailGun email relay server, enabling this will increase the reliability of your email verification.",
+      "required": false,
+      "min": null,
+      "max": null,
+      "default": "{{ matrix_mailer_relay_use | string | lower }}",
+      "choices": "true\nfalse",
+      "new_question": true,
+      "variable": "matrix_mailer_relay_use",
+      "type": "multiplechoice"
+    }
+  ]
+}
+
diff --git a/roles/matrix-awx/tasks/main.yml b/roles/matrix-awx/tasks/main.yml
index 654cdf62..beee918e 100755
--- a/roles/matrix-awx/tasks/main.yml
+++ b/roles/matrix-awx/tasks/main.yml
@@ -98,6 +98,15 @@
   tags:
     - setup-client-element
 
+# Additional playbook to set the variable file during Mailer configuration
+- include_tasks: 
+    file: "set_variables_mailer.yml"
+    apply:
+      tags: setup-mailer
+  when: run_setup|bool and matrix_awx_enabled|bool
+  tags:
+    - setup-mailer
+
 # Additional playbook to set the variable file during Element configuration
 - include_tasks: 
     file: "set_variables_element_subdomain.yml"
diff --git a/roles/matrix-awx/tasks/set_variables_mailer.yml b/roles/matrix-awx/tasks/set_variables_mailer.yml
new file mode 100644
index 00000000..924454d6
--- /dev/null
+++ b/roles/matrix-awx/tasks/set_variables_mailer.yml
@@ -0,0 +1,50 @@
+
+- name: Record Mailer variables locally on AWX
+  delegate_to: 127.0.0.1
+  lineinfile:
+    path: '{{ awx_cached_matrix_vars }}'
+    regexp: "^#? *{{ item.key | regex_escape() }}:"
+    line: "{{ item.key }}: {{ item.value }}"
+    insertafter: '# Email Settings Start'
+  with_dict:
+    'matrix_mailer_relay_use': '{{ matrix_mailer_relay_use }}'
+
+- name: Save new 'Configure Email Relay' survey.json to the AWX tower, template
+  delegate_to: 127.0.0.1
+  template:
+    src: 'roles/matrix-awx/surveys/configure_email_relay.json.j2'
+    dest: '/var/lib/awx/projects/clients/{{ member_id }}/{{ subscription_id }}/configure_email_relay.json'
+
+- name: Copy new 'Configure Email Relay' survey.json to target machine
+  copy:
+    src: '/var/lib/awx/projects/clients/{{ member_id }}/{{ subscription_id }}/configure_email_relay.json'
+    dest: '/matrix/awx/configure_email_relay.json'
+    mode: '0660'
+
+- name: Collect AWX admin token the hard way!
+  delegate_to: 127.0.0.1
+  shell: |
+      curl -sku {{ tower_username }}:{{ tower_password }} -H "Content-Type: application/json" -X POST -d '{"description":"Tower CLI", "application":null, "scope":"write"}' https://{{ tower_host }}/api/v2/users/1/personal_tokens/ | jq '.token' | sed -r 's/\"//g'
+  register: tower_token
+  no_log: True
+
+- name: Recreate 'Configure Email Relay' job template
+  delegate_to: 127.0.0.1
+  awx.awx.tower_job_template:
+    name: "{{ matrix_domain }} - 1 - Configure Email Relay"
+    description: "Enable MailGun relay to increase verification email reliability."
+    extra_vars: "{{ lookup('file', '/var/lib/awx/projects/clients/{{ member_id }}/{{ subscription_id }}/extra_vars.json') }}"
+    job_type: run
+    job_tags: "start,setup-mailer"
+    inventory: "{{ member_id }}"
+    project: "{{ member_id }} - Matrix Docker Ansible Deploy"
+    playbook: setup.yml
+    credential: "{{ member_id }} - AWX SSH Key"
+    survey_enabled: true
+    survey_spec: "{{ lookup('file', '/var/lib/awx/projects/clients/{{ member_id }}/{{ subscription_id }}/configure_email_relay.json') }}"
+    become_enabled: yes
+    state: present
+    verbosity: 1
+    tower_host: "https://{{ tower_host }}"
+    tower_oauthtoken: "{{ tower_token.stdout }}"
+    validate_certs: yes
diff --git a/roles/matrix-client-hydrogen/defaults/main.yml b/roles/matrix-client-hydrogen/defaults/main.yml
index f7a3059e..12e62b8c 100644
--- a/roles/matrix-client-hydrogen/defaults/main.yml
+++ b/roles/matrix-client-hydrogen/defaults/main.yml
@@ -5,7 +5,7 @@ matrix_client_hydrogen_enabled: true
 matrix_client_hydrogen_container_image_self_build: true
 matrix_client_hydrogen_container_image_self_build_repo: "https://github.com/vector-im/hydrogen-web.git"
 
-matrix_client_hydrogen_version: v0.1.53
+matrix_client_hydrogen_version: v0.1.56
 matrix_client_hydrogen_docker_image: "{{ matrix_client_hydrogen_docker_image_name_prefix }}vectorim/hydrogen-web:{{ matrix_client_hydrogen_version }}"
 matrix_client_hydrogen_docker_image_name_prefix: "{{ 'localhost/' if matrix_client_hydrogen_container_image_self_build }}"
 matrix_client_hydrogen_docker_image_force_pull: "{{ matrix_client_hydrogen_docker_image.endswith(':latest') }}"
diff --git a/roles/matrix-synapse/defaults/main.yml b/roles/matrix-synapse/defaults/main.yml
index 89d01bd0..bf2fcac6 100644
--- a/roles/matrix-synapse/defaults/main.yml
+++ b/roles/matrix-synapse/defaults/main.yml
@@ -15,8 +15,8 @@ matrix_synapse_docker_image_name_prefix: "{{ 'localhost/' if matrix_synapse_cont
 # amd64 gets released first.
 # arm32 relies on self-building, so the same version can be built immediately.
 # arm64 users need to wait for a prebuilt image to become available.
-matrix_synapse_version: v1.34.0
-matrix_synapse_version_arm64: v1.34.0
+matrix_synapse_version: v1.35.1
+matrix_synapse_version_arm64: v1.35.1
 matrix_synapse_docker_image_tag: "{{ matrix_synapse_version if matrix_architecture in ['arm32', 'amd64'] else matrix_synapse_version_arm64 }}"
 matrix_synapse_docker_image_force_pull: "{{ matrix_synapse_docker_image.endswith(':latest') }}"
 
diff --git a/roles/matrix-synapse/templates/synapse/homeserver.yaml.j2 b/roles/matrix-synapse/templates/synapse/homeserver.yaml.j2
index aa07ae5b..734a7e90 100644
--- a/roles/matrix-synapse/templates/synapse/homeserver.yaml.j2
+++ b/roles/matrix-synapse/templates/synapse/homeserver.yaml.j2
@@ -705,33 +705,6 @@ acme:
     #
     #account_key_file: /data/acme_account.key
 
-# List of allowed TLS fingerprints for this server to publish along
-# with the signing keys for this server. Other matrix servers that
-# make HTTPS requests to this server will check that the TLS
-# certificates returned by this server match one of the fingerprints.
-#
-# Synapse automatically adds the fingerprint of its own certificate
-# to the list. So if federation traffic is handled directly by synapse
-# then no modification to the list is required.
-#
-# If synapse is run behind a load balancer that handles the TLS then it
-# will be necessary to add the fingerprints of the certificates used by
-# the loadbalancers to this list if they are different to the one
-# synapse is using.
-#
-# Homeservers are permitted to cache the list of TLS fingerprints
-# returned in the key responses up to the "valid_until_ts" returned in
-# key. It may be necessary to publish the fingerprints of a new
-# certificate and wait until the "valid_until_ts" of the previous key
-# responses have passed before deploying it.
-#
-# You can calculate a fingerprint from a given TLS listener via:
-# openssl s_client -connect $host:$port < /dev/null 2> /dev/null |
-#   openssl x509 -outform DER | openssl sha256 -binary | base64 | tr -d '='
-# or by checking matrix.org/federationtester/api/report?server_name=$host
-#
-#tls_fingerprints: [{"sha256": "<base64_encoded_sha256_fingerprint>"}]
-
 
 ## Federation ##
 
@@ -2904,7 +2877,8 @@ opentracing:
     #enabled: true
 
     # The list of homeservers we wish to send and receive span contexts and span baggage.
-    # See docs/opentracing.rst
+    # See docs/opentracing.rst.
+    #
     # This is a list of regexes which are matched against the server_name of the
     # homeserver.
     #
@@ -2913,19 +2887,26 @@ opentracing:
     #homeserver_whitelist:
     #  - ".*"
 
+    # A list of the matrix IDs of users whose requests will always be traced,
+    # even if the tracing system would otherwise drop the traces due to
+    # probabilistic sampling.
+    #
+    # By default, the list is empty.
+    #
+    #force_tracing_for_users:
+    #  - "@user1:server_name"
+    #  - "@user2:server_name"
+
     # Jaeger can be configured to sample traces at different rates.
     # All configuration options provided by Jaeger can be set here.
-    # Jaeger's configuration mostly related to trace sampling which
+    # Jaeger's configuration is mostly related to trace sampling which
     # is documented here:
-    # https://www.jaegertracing.io/docs/1.13/sampling/.
+    # https://www.jaegertracing.io/docs/latest/sampling/.
     #
     #jaeger_config:
     #  sampler:
     #    type: const
     #    param: 1
-
-    #  Logging whether spans were started and reported
-    #
     #  logging:
     #    false
 
@@ -2995,4 +2976,20 @@ redis:
   #
   password: {{ matrix_synapse_redis_password }}
 
+
+# Enable experimental features in Synapse.
+#
+# Experimental features might break or be removed without a deprecation
+# period.
+#
+experimental_features:
+  # Support for Spaces (MSC1772), it enables the following:
+  #
+  # * The Spaces Summary API (MSC2946).
+  # * Restricting room membership based on space membership (MSC3083).
+  #
+  # Uncomment to disable support for Spaces.
+  #spaces_enabled: false
+
+
 # vim:ft=yaml