Agent stacks got attention today: MCP servers rolled a fresh release, Next.js shipped a canary flag to steady RSC HMR, and sqlite-utils hit 4.0rc2 with Claude Fable’s help. Research clustered around agent memory and data—Autodata for synthetic datasets, agent‑native memory design, and LLM‑to‑Bayes priors—while AWS signaled MTurk’s wind‑down and Apple talked on‑device agents.