Microsoft Foundry Agent Optimizer landed as a closed-loop production loop for hosted agents: evaluate a baseline, generate better configs, rank candidates, and promote the winner after comparing task scores and token costs. Source: Microsoft Foundry blog
Microsoft Foundry Managed Compute adds a first-class open-model hosting path on elastic GPU capacity, with Hugging Face catalog access, custom weights, and the same Foundry SDK/billing surface for frontier, open, and custom models. Source: Microsoft Foundry blog
HN front-page pickup: Simon Willison’s MicroPython-in-WASM sandbox writeup looks like practical agent runtime infrastructure, with persistent interpreter state, host functions, and explicit fuel limits for untrusted code. Sources: article and HN front page
HN front-page pickup: sem pitches a Git-native semantic layer for code understanding, focusing on diff/blame/impact/log at the function level instead of line-level parsing. Sources: sem and HN front page