diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
new file mode 100644
index 000000000..39bbd2681
--- /dev/null
+++ b/.devcontainer/devcontainer.json
@@ -0,0 +1,4 @@
+{
+  "image": "mcr.microsoft.com/devcontainers/universal:2",
+  "features": {}
+}
diff --git a/scripts/sync-release-note.js b/scripts/sync-release-note.js
index 8e8ec55b8..22402da0d 100644
--- a/scripts/sync-release-note.js
+++ b/scripts/sync-release-note.js
@@ -22,7 +22,7 @@ function slugify(s) {
 }
 
 function escapeFrontmatter(s) {
-  return String(s).replace(/"/g, '\\"');
+  return String(s).replace(/\\/g, "\\\\").replace(/"/g, '\\"');
 }
 
 async function fetchReleaseByTag(repo, tag, token) {