Code commonly flows downstream, from an open-source project into an organization’s own products. Upstreaming is the process of reversing that flow—contributing code back to an open-source project.

Hugging Face is teaming up with ServiceNow to launch BigCode, an effort to develop and release a code-generating AI system akin to OpenAI's Codex.

The Lapsus$ hacking group claims to have leaked the source code for Bing, Cortana, and other projects stolen from Microsoft's internal Azure DevOps server.