The W3C's WebTransport Working Group published WebTransport as a Candidate Recommendation Snapshot on July 30, formally inviting browser vendors to build real implementations against a spec that is now considered stable enough to commit to. WebTransport defines a set of JavaScript APIs that let a browser exchange data with a server over a modern transport built on HTTP/3 and QUIC, giving web apps something they have been missing for years: a standard way to send both reliable, ordered data and unreliable, low-latency data, like UDP-style datagrams, over the same connection, without the workarounds developers have historically leaned on. That matters concretely for anything built around real-time interaction, multiplayer games, live video and audio tools, IoT dashboards, financial data feeds, collaborative editing, because WebSockets only gives you an ordered, reliable stream, which is the wrong tradeoff when a dropped or late packet should just be discarded rather than blocking everything behind it. WebTransport lets an application choose per-message whether it needs ordering and reliability or just wants the freshest data as fast as possible, on a connection that also supports multiple concurrent streams without the head-of-line blocking that a single WebSocket connection is prone to. Reaching Candidate Recommendation does not mean it is finished, the working group is explicitly inviting implementation feedback through October 30, and standards at this stage can still change based on what real browser engines run into, but it is a strong signal that the API surface is close to locked. Teams building latency-sensitive web features that have been holding off on WebTransport because it felt too early now have a much firmer spec to build a proof of concept against, developed jointly with the IETF's WEBTRANS working group defining the underlying wire protocol.