diff --git a/frontend/src/controls_panel.rs b/frontend/src/controls_panel.rs
index b92e0e1..490526f 100644
--- a/frontend/src/controls_panel.rs
+++ b/frontend/src/controls_panel.rs
@@ -563,6 +563,7 @@ impl ControlsPanel {
             });
 
         // Lazy loading to not freeze the main thread
+        // @TODO replace with grouping and/or virtual scroll (https://dev.to/adamklein/build-your-own-virtual-scroll-part-i-11ib)
         const CHUNK_SIZE: usize = 50;
         let mut chunked_vars_for_ui: Vec<Vec<VarForUI>> = <_>::default();
         let mut chunk = Vec::with_capacity(CHUNK_SIZE);
diff --git a/frontend/src/platform.rs b/frontend/src/platform.rs
index fed02b2..8a83384 100644
--- a/frontend/src/platform.rs
+++ b/frontend/src/platform.rs
@@ -33,7 +33,11 @@ pub async fn get_time_table() -> wellen::TimeTable {
     platform::get_time_table().await
 }
 
-pub async fn load_signal_and_get_timeline(signal_ref: wellen::SignalRef, screen_width: u32, block_height: u32) -> shared::Timeline {
+pub async fn load_signal_and_get_timeline(
+    signal_ref: wellen::SignalRef,
+    screen_width: u32,
+    block_height: u32,
+) -> shared::Timeline {
     platform::load_signal_and_get_timeline(signal_ref, screen_width, block_height).await
 }
 
diff --git a/frontend/src/platform/browser.rs b/frontend/src/platform/browser.rs
index ad9844f..2957a41 100644
--- a/frontend/src/platform/browser.rs
+++ b/frontend/src/platform/browser.rs
@@ -81,7 +81,11 @@ pub(super) async fn get_time_table() -> wellen::TimeTable {
     serde_json::from_value(serde_json::to_value(time_table).unwrap_throw()).unwrap_throw()
 }
 
-pub(super) async fn load_signal_and_get_timeline(signal_ref: wellen::SignalRef, screen_width: u32, block_height: u32) -> shared::Timeline {
+pub(super) async fn load_signal_and_get_timeline(
+    signal_ref: wellen::SignalRef,
+    screen_width: u32,
+    block_height: u32,
+) -> shared::Timeline {
     // @TODO implement, copy from tauri platform
     shared::Timeline { blocks: Vec::new() }
 }
diff --git a/frontend/src/platform/tauri.rs b/frontend/src/platform/tauri.rs
index eef69e6..549626f 100644
--- a/frontend/src/platform/tauri.rs
+++ b/frontend/src/platform/tauri.rs
@@ -21,7 +21,11 @@ pub(super) async fn get_time_table() -> wellen::TimeTable {
     serde_wasm_bindgen::from_value(tauri_glue::get_time_table().await.unwrap_throw()).unwrap_throw()
 }
 
-pub(super) async fn load_signal_and_get_timeline(signal_ref: wellen::SignalRef, screen_width: u32, block_height: u32) -> shared::Timeline {
+pub(super) async fn load_signal_and_get_timeline(
+    signal_ref: wellen::SignalRef,
+    screen_width: u32,
+    block_height: u32,
+) -> shared::Timeline {
     serde_wasm_bindgen::from_value(
         tauri_glue::load_signal_and_get_timeline(signal_ref.index(), screen_width, block_height)
             .await
@@ -55,7 +59,11 @@ mod tauri_glue {
         pub async fn get_time_table() -> Result<JsValue, JsValue>;
 
         #[wasm_bindgen(catch)]
-        pub async fn load_signal_and_get_timeline(signal_ref_index: usize, screen_width: u32, block_height: u32) -> Result<JsValue, JsValue>;
+        pub async fn load_signal_and_get_timeline(
+            signal_ref_index: usize,
+            screen_width: u32,
+            block_height: u32,
+        ) -> Result<JsValue, JsValue>;
 
         #[wasm_bindgen(catch)]
         pub async fn unload_signal(signal_ref_index: usize) -> Result<(), JsValue>;
diff --git a/frontend/src/waveform_panel.rs b/frontend/src/waveform_panel.rs
index 9a9cc43..b32062e 100644
--- a/frontend/src/waveform_panel.rs
+++ b/frontend/src/waveform_panel.rs
@@ -116,7 +116,12 @@ impl WaveformPanel {
 
         let var = hierarchy.get(var_ref);
         let signal_ref = var.signal_ref();
-        let timeline = platform::load_signal_and_get_timeline(signal_ref, controller.screen_width(), ROW_HEIGHT).await;
+        let timeline = platform::load_signal_and_get_timeline(
+            signal_ref,
+            controller.screen_width(),
+            ROW_HEIGHT,
+        )
+        .await;
 
         let timescale = hierarchy.timescale();
         // @TODO remove
diff --git a/shared/src/lib.rs b/shared/src/lib.rs
index 90d80e6..d6abfe6 100644
--- a/shared/src/lib.rs
+++ b/shared/src/lib.rs
@@ -5,7 +5,7 @@ pub mod wellen_helpers;
 #[derive(Serialize, Deserialize, Debug, Default)]
 #[serde(crate = "serde")]
 pub struct Timeline {
-    pub blocks: Vec<TimelineBlock>
+    pub blocks: Vec<TimelineBlock>,
 }
 
 #[derive(Serialize, Deserialize, Debug, Default)]
diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index 0e4da34..70b9de9 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -97,7 +97,7 @@ pub fn run() {
 }
 
 fn signal_to_timeline(
-    signal: &wellen::Signal, 
+    signal: &wellen::Signal,
     time_table: &[wellen::Time],
     screen_width: u32,
     block_height: u32,
@@ -108,7 +108,7 @@ fn signal_to_timeline(
     const LABEL_X_PADDING: u32 = 10;
 
     let Some(last_time) = time_table.last().copied() else {
-        return shared::Timeline::default()
+        return shared::Timeline::default();
     };
 
     let last_time = last_time as f64;
@@ -136,7 +136,7 @@ fn signal_to_timeline(
         let block_width = (next_block_x - block_x) as u32;
         if block_width < MIN_BLOCK_WIDTH {
             continue;
-        } 
+        }
 
         let value = value.to_string();
         // @TODO dynamic formatter
@@ -158,7 +158,7 @@ fn signal_to_timeline(
             x: block_x as u32,
             width: block_width,
             height: block_height,
-            label, 
+            label,
         };
         blocks.push(block);
     }