v0.29.2

docs/WEB_SERVER.md

@@ -217,20 +217,21 @@ Optional precompressed delivery checks sidecar files only after the original res
 
 The client must advertise the matching coding in `Accept-Encoding`. Brotli is preferred when both are available. The response keeps the original file's MIME type and adds the appropriate `Content-Encoding` and `Vary: Accept-Encoding`.
 
-Validators, streaming and a single Range request operate on the selected representation. RustProxy does not compress the file on every request in this mode.
+Validators, streaming and a single Range request operate on the selected representation. Multipart Range responses use the identity representation so MIME boundaries are never mixed with a precompressed sidecar. RustProxy does not compress the file on every request in this mode.
 
 ## Range and downloads
 
-Static and precompressed responses support:
+Static responses support:
 
 - single `Range: bytes=...`;
+- multipart `Range: bytes=0-99,200-299` with at most 16 ranges;
 - `If-Range`;
 - `206 Partial Content`;
 - `416 Range Not Satisfiable`;
-- `Accept-Ranges` and `Content-Range`;
+- `Accept-Ranges` and per-part `Content-Range`;
 - streaming rather than whole-file buffering.
 
-Multipart ranges remain intentionally unsupported.
+Single ranges can operate on a selected precompressed representation as before. Multipart ranges intentionally use the identity representation and stream `multipart/byteranges`.
 
 Configured `download_extensions` add `Content-Disposition: attachment` using an encoded filename. This is useful for storage/download services without changing the MIME type.