Netlify Moves Edge Functions Off V8 Isolates, Claims 5x Speedup
Netlify now runs Edge Functions in Firecracker MicroVMs, cutting warm median overhead to 5–6ms from 25–40ms, at the same pricing and with no migration.
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Vercel
Vercel's CDN Stops Caching Any Response That Varies on Cookie
Vercel's CDN now refuses to cache responses with Vary: Cookie, so affected routes miss on every request. Two fixes, depending on whether content varies.
Firebase
Firebase Ships a Codex Plugin That Provisions Your Backend
Firebase's new Codex plugin bundles agent skills, the MCP server and the CLI so Codex can create projects, add Auth and write Security Rules from a prompt.