diff --git a/Cargo.toml b/Cargo.toml
index c342b86..d685a35 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,11 +17,11 @@ categories = ["game-development"]
 interpolation = "0.3"
 
 [dependencies.bevy]
-version = "0.12"
+version = "0.13"
 default-features = false
 
 [dev-dependencies.bevy]
-version = "0.12"
+version = "0.13"
 default-features = false
 features = ["bevy_render", "bevy_sprite", "bevy_ui"]
 
diff --git a/examples/chain.rs b/examples/chain.rs
index dfc59d7..5a89e9b 100644
--- a/examples/chain.rs
+++ b/examples/chain.rs
@@ -47,7 +47,7 @@ fn add_easing(
     mut commands: Commands,
     mut removed: RemovedComponents<EasingChainComponent<Transform>>,
 ) {
-    for entity in removed.iter() {
+    for entity in removed.read() {
         let transform0 = Transform::default();
         let transform1 = Transform::from_translation(Vec3::new(500., 0., 0.));
         let transform2 = Transform::from_translation(Vec3::new(500., 300., 0.));
diff --git a/examples/react_on_end.rs b/examples/react_on_end.rs
index a47a55e..4ac9c92 100644
--- a/examples/react_on_end.rs
+++ b/examples/react_on_end.rs
@@ -14,11 +14,13 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     Ok(())
 }
 
-fn setup(mut commands: Commands, windows: Res<Windows>) {
+fn setup(mut commands: Commands, windows: Query<&Window>) {
     commands.spawn(Camera2dBundle::default());
 
-    let width = windows.primary().width() / 2.0;
-    let height = windows.primary().height() / 2.0;
+    let window = windows.single();
+
+    let width = window.width() / 2.0;
+    let height = window.height() / 2.0;
     let x = rand::thread_rng().gen_range(-width..width);
     let y = rand::thread_rng().gen_range(-height..height);
 
@@ -43,13 +45,15 @@ fn setup(mut commands: Commands, windows: Res<Windows>) {
 
 fn add_new_easing(
     mut commands: Commands,
-    removed: RemovedComponents<EasingComponent<Transform>>,
+    mut removed: RemovedComponents<EasingComponent<Transform>>,
     transform: Query<&Transform>,
-    windows: Res<Windows>,
+    windows: Query<&Window>,
 ) {
-    for entity in removed.iter() {
-        let width = windows.primary().width() / 2.0;
-        let height = windows.primary().height() / 2.0;
+    let window = windows.single();
+
+    for entity in removed.read() {
+        let width = window.width() / 2.0;
+        let height = window.height() / 2.0;
         let x = rand::thread_rng().gen_range(-width..width);
         let y = rand::thread_rng().gen_range(-height..height);
 
diff --git a/src/plugin.rs b/src/plugin.rs
index c34efeb..6f91b5d 100644
--- a/src/plugin.rs
+++ b/src/plugin.rs
@@ -56,9 +56,9 @@ pub fn ease_system<T: Ease + Component>(
             } else {
                 if easing.timer.duration().as_secs_f32() != 0. {
                     let progress = if easing.direction == EasingDirection::Forward {
-                        easing.timer.percent()
+                        easing.timer.fraction()
                     } else {
-                        easing.timer.percent_left()
+                        easing.timer.fraction_remaining()
                     };
                     let factor = progress.compute(easing.ease_function);
                     if let Some(ref start) = easing.start {
@@ -141,9 +141,9 @@ pub fn custom_ease_system<T: CustomComponentEase + Component>(
             } else {
                 if easing.timer.duration().as_secs_f32() != 0. {
                     let progress = if easing.direction == EasingDirection::Forward {
-                        easing.timer.percent()
+                        easing.timer.fraction()
                     } else {
-                        easing.timer.percent_left()
+                        easing.timer.fraction_remaining()
                     };
                     let factor = progress.compute(easing.ease_function);
                     if let Some(ref start) = easing.start {