# WebTransport browser support matrix URL: https://webtransport.day/browser-support/ Data: MDN browser-compat-data v8.1.7, built 2026-10-31 ## WebTransport - (interface): [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - WebTransport() constructor: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - WebTransport.options_allowPooling parameter: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - WebTransport.options_congestionControl parameter: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - WebTransport.options_protocols parameter: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - WebTransport.options_requireUnreliable parameter: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - WebTransport.options_serverCertificateHashes parameter: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - anticipatedConcurrentIncomingBidirectionalStreams: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - anticipatedConcurrentIncomingUnidirectionalStreams: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - byob_readers: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - close: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - closed: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - congestionControl: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - createBidirectionalStream: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - createBidirectionalStream.options_sendOrder parameter: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - createSendGroup: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - createUnidirectionalStream: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - createUnidirectionalStream.byob_readers: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - createUnidirectionalStream.options_sendOrder parameter: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - datagrams: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - draining: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - exportKeyingMaterial: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - getStats: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - incomingBidirectionalStreams: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - incomingUnidirectionalStreams: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - local_network_access: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - protocol: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - ready: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - reliability: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - responseHeaders: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - supportsReliableOnly (static): [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown ## WebTransportBidirectionalStream - (interface): [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - readable: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - readable.returns_WebTransportReceiveStream: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - writable: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - writable.returns_WebTransportSendStream: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown ## WebTransportDatagramDuplexStream - (interface): [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - byob_readers: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - createWritable: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - incomingHighWaterMark: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - incomingMaxAge: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - incomingMaxBufferedDatagrams: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - maxDatagramSize: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - outgoingHighWaterMark: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - outgoingMaxAge: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - outgoingMaxBufferedDatagrams: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - readable: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - writable: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown ## WebTransportDatagramsWritable - (interface): [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - sendGroup: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - sendOrder: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown ## WebTransportError - (interface): [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - WebTransportError() constructor: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - source: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - streamErrorCode: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown ## WebTransportReceiveStream - (interface): [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - getStats: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown ## WebTransportSendGroup - (interface): [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - getStats: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown ## WebTransportSendStream - (interface): [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - getStats: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - getWriter: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - sendGroup: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown - sendOrder: [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown, [object Object] unknown