On this day: Jul 28

Removes initialize and Mcp-Session-Id, introduces MRTR, adds server/discover, and promotes the Tasks and MCP Apps extensions

MCP is redesigned from the ground up, from a protocol of stateful sessions into a stateless, per-request one. The largest break in backward compatibility yet

An open-weight model in the 3-trillion-parameter class. A prime example of the pattern in which scale grows while licenses narrow

The bubble debate shows up in prices for the first time

Muon validated at 1T scale

A branch that applied reasoning prompting to latency optimization

Transferred web-scale VLM knowledge directly to robot control, establishing the very category of VLA

Opened kernel writing up from a handful of experts to ordinary researchers

Redesigned the quantization loss function around inner-product estimation error, pushing the quality-speed frontier of MIPS forward by a generation