Add release notes and ureq feature docs

crates/bevy_asset/src/http_source.rs

@@ -10,6 +10,15 @@ use std::path::{Path, PathBuf};
 ///
 /// Any asset path that begins with `http` (when the `http` feature is enabled) or `https` (when the
 /// `https` feature is enabled) will be loaded from the web via `fetch`(wasm) or `ureq`(native).
+///
+/// By default, `ureq`'s HTTP compression is disabled. To enable gzip and brotli decompression, add
+/// the following dependency and features to your Cargo.toml. This will improve bandwidth
+/// utilization when its supported by the server.
+///
+/// ```toml
+/// [target.'cfg(not(target_family = "wasm"))'.dev-dependencies]
+/// ureq = { version = "3", default-features = false, features = ["gzip", "brotli"] }
+/// ```
 pub struct HttpSourcePlugin;
 
 impl Plugin for HttpSourcePlugin {

release-content/release-notes/http_source.md

@@ -0,0 +1,19 @@
+---
+title: HTTP Assets
+authors: ["@johanhelsing", "@mrchantey", "@jf908"]
+pull_requests: [17889]
+---
+
+Bevy now supports downloading assets over http and https.
+Use the new `http` and `https` features to enable `http://` and `https://` URLs as asset paths.
+This functionality is powered by the [`ureq`](https://github.com/algesten/ureq) crate on native platforms and the fetch API on wasm.
+
+```rust
+let image = asset_server.load("https://example.com/image.png");
+commands.spawn(Sprite::from_image(image));
+```
+
+By default these assets aren’t saved anywhere but you can enable the `http_source` feature to cache assets on your file system.
+
+The implementation has changed quite a bit but this feature originally started out as an upstreaming of the [`bevy_web_asset`](https://github.com/johanhelsing/bevy_web_asset) crate.
+Special thanks to @johanhelsing and bevy_web_asset's contributors!