Install, enable and configure Diff module

config/sync/config_snapshot.snapshot.config_sync.module.diff.yml

@@ -0,0 +1,48 @@
+uuid: 6ae661c4-1aeb-4d9b-bd13-14f7ed744351
+langcode: en
+status: true
+dependencies:
+  module:
+    - diff
+id: config_sync.module.diff
+snapshotSet: config_sync
+extensionType: module
+extensionName: diff
+items:
+  -
+    collection: ''
+    name: core.entity_view_mode.node.diff
+    data:
+      langcode: en
+      id: node.diff
+      label: 'Revision comparison'
+      status: false
+      cache: true
+      targetEntityType: node
+      dependencies:
+        module:
+          - node
+        enforced:
+          module:
+            - node
+            - diff
+  -
+    collection: ''
+    name: diff.settings
+    data:
+      general_settings:
+        radio_behavior: simple
+        context_lines_leading: 1
+        context_lines_trailing: 1
+        revision_pager_limit: 50
+        layout_plugins:
+          visual_inline:
+            enabled: false
+            weight: 0
+          split_fields:
+            enabled: true
+            weight: 1
+          unified_fields:
+            enabled: true
+            weight: 2
+        visual_inline_theme: default

config/sync/core.entity_view_mode.node.diff.yml

@@ -0,0 +1,16 @@
+uuid: 316215b0-93fc-49d9-a1f0-e0ea02dcb966
+langcode: en
+status: false
+dependencies:
+  enforced:
+    module:
+      - node
+      - diff
+  module:
+    - node
+_core:
+  default_config_hash: pqZNtad5J9THcdbYjwPD4qINqvrTxnOd8KCWn6tUBRs
+id: node.diff
+label: 'Revision comparison'
+targetEntityType: node
+cache: true

config/sync/diff.settings.yml

@@ -0,0 +1,18 @@
+general_settings:
+  radio_behavior: simple
+  context_lines_leading: 1
+  context_lines_trailing: 1
+  revision_pager_limit: 50
+  layout_plugins:
+    visual_inline:
+      enabled: true
+      weight: 0
+    split_fields:
+      enabled: true
+      weight: 1
+    unified_fields:
+      enabled: true
+      weight: 2
+  visual_inline_theme: default
+_core:
+  default_config_hash: oXwX3NzLv9QK_LbNEvpQ9OPwH9tqtMSJzq5y8t63Q8w

config/sync/user.role.contributor.yml

@@ -43,4 +43,5 @@ permissions:
   - 'use exclude node title'
   - 'use text format minimalhtml'
   - 'use text format minimalhtmltitle'
+  - 'view blog revisions'
   - 'view the administration theme'

config/sync/user.role.editor.yml

@@ -56,6 +56,7 @@ permissions:
   - 'use text format minimalhtmltitle'
   - 'use text format restricted_html'
   - 'view all revisions'
+  - 'view blog revisions'
   - 'view event revisions'
   - 'view own unpublished content'
   - 'view the administration theme'

config/sync/user.role.manager.yml

@@ -69,6 +69,7 @@ permissions:
   - 'use text format minimalhtmltitle'
   - 'use text format restricted_html'
   - 'view all revisions'
+  - 'view blog revisions'
   - 'view event revisions'
   - 'view own unpublished content'
   - 'view the administration theme'