diff --git a/.changes/autostart-manager-ext-rename.md b/.changes/autostart-manager-ext-rename.md
new file mode 100644
index 000000000..dd2f44ae2
--- /dev/null
+++ b/.changes/autostart-manager-ext-rename.md
@@ -0,0 +1,6 @@
+---
+"autostart": major
+"autostart-js": major
+---
+
+**Breaking:** Renamed `ManagerExt::autolaunch` to `ManagerExt::autostart`.
diff --git a/plugins/autostart/src/lib.rs b/plugins/autostart/src/lib.rs
index 82fc56fc9..e4b55601b 100644
--- a/plugins/autostart/src/lib.rs
+++ b/plugins/autostart/src/lib.rs
@@ -72,13 +72,11 @@ impl AutoLaunchManager {
 }
 
 pub trait ManagerExt<R: Runtime> {
-    /// TODO: Rename these to `autostart` or `auto_start` in v3
-    fn autolaunch(&self) -> State<'_, AutoLaunchManager>;
+    fn autostart(&self) -> State<'_, AutoLaunchManager>;
 }
 
 impl<R: Runtime, T: Manager<R>> ManagerExt<R> for T {
-    /// TODO: Rename these to `autostart` or `auto_start` in v3
-    fn autolaunch(&self) -> State<'_, AutoLaunchManager> {
+    fn autostart(&self) -> State<'_, AutoLaunchManager> {
         self.state::<AutoLaunchManager>()
     }
 }