diff --git a/types/nodegit/nodegit-tests.ts b/types/nodegit/nodegit-tests.ts
index 4ed8967ba98482..99f4c290563751 100644
--- a/types/nodegit/nodegit-tests.ts
+++ b/types/nodegit/nodegit-tests.ts
@@ -226,3 +226,9 @@ Git.Clone("repo_url", "local_path", cloneOptions).then(repoClone => {
     // Use Repo
     repoClone.cleanup();
 });
+
+// Test the Reference.TYPE enum values
+Git.Reference.TYPE.INVALID; // $ExpectType TYPE.INVALID
+Git.Reference.TYPE.DIRECT; // $ExpectType TYPE.DIRECT
+Git.Reference.TYPE.SYMBOLIC; // $ExpectType TYPE.SYMBOLIC
+Git.Reference.TYPE.ALL; // $ExpectType TYPE.ALL
diff --git a/types/nodegit/reference.d.ts b/types/nodegit/reference.d.ts
index 8e2001c5a8eaf7..d7fafd0c3bbf78 100644
--- a/types/nodegit/reference.d.ts
+++ b/types/nodegit/reference.d.ts
@@ -5,8 +5,12 @@ import { Repository } from "./repository";
 export namespace Reference {
     const enum TYPE {
         INVALID = 0,
+        DIRECT = 1,
+        /** @deprecated Use {@link DIRECT} instead. */
         OID = 1,
         SYMBOLIC = 2,
+        ALL = 3,
+        /** @deprecated Use {@link ALL} instead. */
         LISTALL = 3,
     }
 
diff --git a/types/react/experimental.d.ts b/types/react/experimental.d.ts
index 912284933a0761..e68cb1fc739bdd 100644
--- a/types/react/experimental.d.ts
+++ b/types/react/experimental.d.ts
@@ -214,4 +214,19 @@ declare module "." {
     export interface FragmentProps {
         ref?: Ref<FragmentInstance> | undefined;
     }
+
+    // @enableActivity
+    export interface ActivityProps {
+        /**
+         * @default "visible"
+         */
+        mode?:
+            | "hidden"
+            | "visible"
+            | undefined;
+        children: ReactNode;
+    }
+
+    /** */
+    export const unstable_Activity: ExoticComponent<ActivityProps>;
 }
diff --git a/types/react/test/experimental.tsx b/types/react/test/experimental.tsx
index 30f4e583373061..302766851d32bf 100644
--- a/types/react/test/experimental.tsx
+++ b/types/react/test/experimental.tsx
@@ -284,3 +284,20 @@ function fragmentRefTest() {
         <div />
     </React.Fragment>;
 }
+
+// @enableActivity
+function activityTest() {
+    const Activity = React.unstable_Activity;
+
+    <Activity children="peekaboo" />;
+    <Activity children="peekaboo" mode={undefined} />;
+    <Activity children="peekaboo" mode="visible" />;
+    <Activity children="peekaboo" mode="hidden" />;
+    // @ts-expect-error -- Forgot children
+    <Activity />;
+    <Activity
+        children="peekaboo"
+        // @ts-expect-error -- Unknown mode
+        mode="not-a-mode"
+    />;
+}
diff --git a/types/react/ts5.0/experimental.d.ts b/types/react/ts5.0/experimental.d.ts
index 912284933a0761..e68cb1fc739bdd 100644
--- a/types/react/ts5.0/experimental.d.ts
+++ b/types/react/ts5.0/experimental.d.ts
@@ -214,4 +214,19 @@ declare module "." {
     export interface FragmentProps {
         ref?: Ref<FragmentInstance> | undefined;
     }
+
+    // @enableActivity
+    export interface ActivityProps {
+        /**
+         * @default "visible"
+         */
+        mode?:
+            | "hidden"
+            | "visible"
+            | undefined;
+        children: ReactNode;
+    }
+
+    /** */
+    export const unstable_Activity: ExoticComponent<ActivityProps>;
 }
diff --git a/types/react/ts5.0/test/experimental.tsx b/types/react/ts5.0/test/experimental.tsx
index 62bf0737c1231d..8266e73c3a6529 100644
--- a/types/react/ts5.0/test/experimental.tsx
+++ b/types/react/ts5.0/test/experimental.tsx
@@ -287,3 +287,20 @@ function fragmentRefTest() {
         <div />
     </React.Fragment>;
 }
+
+// @enableActivity
+function activityTest() {
+    const Activity = React.unstable_Activity;
+
+    <Activity children="peekaboo" />;
+    <Activity children="peekaboo" mode={undefined} />;
+    <Activity children="peekaboo" mode="visible" />;
+    <Activity children="peekaboo" mode="hidden" />;
+    // @ts-expect-error -- Forgot children
+    <Activity />;
+    <Activity
+        children="peekaboo"
+        // @ts-expect-error -- Unknown mode
+        mode="not-a-mode"
+    />;
+}