diff --git a/types/list.js/index.d.ts b/types/list.js/index.d.ts
index 2c169540f6b36c..ee4f58dc5e97eb 100644
--- a/types/list.js/index.d.ts
+++ b/types/list.js/index.d.ts
@@ -74,6 +74,7 @@ declare namespace List {
 
     type Event =
         | "updated"
+        | "parseComplete"
         | "filterStart"
         | "filterComplete"
         | "searchStart"
diff --git a/types/list.js/list.js-tests.ts b/types/list.js/list.js-tests.ts
index 02f190735ae950..f405247d3b598a 100644
--- a/types/list.js/list.js-tests.ts
+++ b/types/list.js/list.js-tests.ts
@@ -60,6 +60,7 @@ list.on("searchComplete", list => {});
 list.on("sortStart", list => {});
 list.on("sortComplete", list => {});
 list.on("updated", list => {}).clear();
+list.on("parseComplete", list => {});
 // @ts-expect-error
 list.on("invalid", list => {});
 
diff --git a/types/vscode/index.d.ts b/types/vscode/index.d.ts
index 939771aa5e8691..152f9dd3f9af24 100644
--- a/types/vscode/index.d.ts
+++ b/types/vscode/index.d.ts
@@ -4,7 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 /**
- * Type Definition for Visual Studio Code 1.118 Extension API
+ * Type Definition for Visual Studio Code 1.120 Extension API
  * See https://code.visualstudio.com/api for more information
  */
 
@@ -12254,6 +12254,8 @@ declare module 'vscode' {
 		/**
 		 * Get the children of `element` or root if no element is passed.
 		 *
+		 * *Note:* The result is not mutated by the API consumer; readonly arrays may be cast to `T[]`.
+		 *
 		 * @param element The element from which the provider gets children. Can be `undefined`.
 		 * @returns Children of `element` or root if no element is passed.
 		 */
diff --git a/types/vscode/package.json b/types/vscode/package.json
index d9c8e51265acd1..abf06559331a4d 100644
--- a/types/vscode/package.json
+++ b/types/vscode/package.json
@@ -1,7 +1,7 @@
 {
     "private": true,
     "name": "@types/vscode",
-    "version": "1.118.9999",
+    "version": "1.120.9999",
     "nonNpm": "conflict",
     "nonNpmDescription": "TypeScript definitions for the Visual Studio Code Extension API",
     "projects": [