• Minimum supported Rust version (MSRV) is now 1.88.
• Improve HTTP/2 upload throughput by increasing default flow control window sizes. #3638
• Add HttpServer::{h2_initial_window_size, h2_initial_connection_window_size} methods for tuning. #3638
• Add HttpRequest::url_for_map and HttpRequest::url_for_iter methods for named URL parameters. #3895
• Ignore unparsable cookies in Cookie request header.
• Add experimental-introspection feature to report configured routes #3594
• Add config/method for TCP_NODELAY. #3918
• Fix panic when NormalizePath rewrites a scoped dynamic path before extraction (e.g., scope("{tail:.*}") + Path<String>). #3562
• Do not compress 206 Partial Content responses. #3191