• Uses Node native HTTP parser. Improves performance and security. Removes dependency on http-parser-js.
• Added headersTimeout option.
• Fixed an assertion when using client.pipeline and the server does not consume the entire request body.
• Replace client.full with client.busy property.
• Improved support for legacy streams.
• Added support for IPC (e.g. unix sockets) through socketPath option.
• Refactoring and simplification.
• Throw not supported error for CONNECT method.