Add explicit markdown configuration w/ no changes

config/filter.format.markdown.yml

@@ -14,4 +14,21 @@ filters:
     status: true
     weight: 0
     settings:
-      markdown_library: commonmark
+      id: commonmark
+      enabled: true
+      render_strategy:
+        type: filter_output
+        custom_allowed_html: ''
+        plugins:
+          commonmark: true
+          commonmark-external-links: false
+          commonmark-footnotes: false
+          commonmark-heading-permalink: false
+          commonmark-strikethrough: false
+          commonmark-table: false
+          commonmark-task-list: false
+          filter_align: false
+          filter_caption: false
+          media_embed: false
+      override: false
+    filterFormat: markdown