Merge 0.15.1 notebook fix to main (rerun-io#5928)

### Checklist
* [x] I have read and agree to [Contributor
Guide](https://github.com/rerun-io/rerun/blob/main/CONTRIBUTING.md) and
the [Code of
Conduct](https://github.com/rerun-io/rerun/blob/main/CODE_OF_CONDUCT.md)

- [PR Build Summary](https://build.rerun.io/pr/5928)
- [Recent benchmark results](https://build.rerun.io/graphs/crates.html)
- [Wasm size tracking](https://build.rerun.io/graphs/sizes.html)

---------

Co-authored-by: Andreas Reich <[email protected]>
Co-authored-by: Clement Rey <[email protected]>
Co-authored-by: Antoine Beyeler <[email protected]>
Co-authored-by: Jeremy Leibs <[email protected]>

CHANGELOG.md

@@ -504,7 +504,6 @@ Check out our [migration guide](https://www.rerun.io/docs/reference/migration/mi
 
 ## [0.12.0](https://github.com/rerun-io/rerun/compare/0.11.0...0.12.0) - Data Loaders, Container-editing, Python-3.12 - 2024-01-09
 
-### ✨ Overview & highlights
 ### ✨ Overview & highlights
 - 🌁 The Rerun Viewer now supports a plugin system for creating [arbitrary external data loaders](https://www.rerun.io/docs/reference/data-loaders/overview).
 - 🕸️ More built-in examples are now available in the viewer.

examples/python/ros_node/README.md

@@ -1,6 +1,6 @@
 <!--[metadata]
 title = "ROS node"
-tags = ["2D", "3D", "mesh", "pinhole-camera", "ros", "time-series"]
+tags = ["2D", "3D", "Mesh", "Pinhole camera", "ROS", "Time series"]
 thumbnail = "https://static.rerun.io/ros-node/93169b35c17f5ec02d94150efb74c7ba06372842/480w.png"
 thumbnail_dimensions = [480, 480]
 -->

rerun_py/src/python_bridge.rs

@@ -1096,7 +1096,7 @@ fn version() -> String {
 
 /// Get a url to an instance of the web-viewer
 ///
-/// This may point to rerun.io/viewer or localhost depending on
+/// This may point to app.rerun.io or localhost depending on
 /// whether [`start_web_viewer_server()`] was called.
 #[pyfunction]
 fn get_app_url() -> String {
@@ -1106,13 +1106,20 @@ fn get_app_url() -> String {
     }
 
     let build_info = re_build_info::build_info!();
-    if let Some(short_git_hash) = build_info.git_hash.get(..7) {
-        format!("https://rerun.io/viewer/commit/{short_git_hash}")
+
+    // Note that it is important to us `app.rerun.io` directly here. The version hosted
+    // at `rerun.io/viewer` is not designed to be embedded in a notebook and interferes
+    // with the startup sequencing. Do not switch to `rerun.io/viewer` without considering
+    // the implications.
+    if build_info.is_final() {
+        format!("https://app.rerun.io/version/{}", build_info.version)
+    } else if let Some(short_git_hash) = build_info.git_hash.get(..7) {
+        format!("https://app.rerun.io/commit/{short_git_hash}")
     } else {
         re_log::warn_once!(
-            "No valid git hash found in build info. Defaulting to rerun.io/viewer for app url."
+            "No valid git hash found in build info. Defaulting to app.rerun.io for app url."
         );
-        "https://rerun.io/viewer".to_owned()
+        "https://app.rerun.io".to_owned()
     }
 }