Anthropic restores Claude Mythos 5 for critical U.S. infrastructure: AI watch for June 28, 2026
June 28, 2026: the U.S. government authorizes Anthropic to redeploy Claude Mythos 5 for organizations operating critical infrastructure; Fable 5 remains suspended. In brief: experimental /impeccable skill in GitHub Copilot App and quality-of-life improvements in Codex.