Vercel KMS gives Functions OIDC-authenticated access to managed RSA, ECDSA and EdDSA signing keys. Builders can scope grants by project and environment, constrain JWT claims with JSON Schema, rotate keys centrally and publish standard OIDC/JWKS metadata for verification outside Vercel.
Agent Plugins 1.0 now has documented support across VS Code, Cursor, GitHub Copilot, ChatGPT/Codex, Kiro and several open-source agents. That makes the format materially more useful for cross-client distribution, but portable components remain limited to Agent Skills and MCP servers while permissions, hooks, commands and host UX stay client-specific.
GitHub OAuth apps can now use eight-hour access tokens with rotating refresh tokens, register up to 10 callback URLs, and explicitly control wildcard callback matching. New apps default to expiring tokens, while existing single-callback apps should review a legacy wildcard setting GitHub has now made visible.