Deep, specific writing about the parts of the platform we are most proud of — and the ones that still keep us up. New posts when the work is worth reading, not on a calendar.
A walk through the kernel rewrite that pulled six milliseconds out of every frame on the Helios hot path, and the eval harness we used to make sure quality did not move.
Live-migrating an interactive video session between regions sounds like one problem. It is in fact six. Here is how each one is solved in Windflow.
Choosing the transport for a streaming inference protocol is mostly a series of constraints fights. We wrote down which fights we picked and why.