Hi, I'm Filipe!
My notebook of thoughts on the AI, tech and developer-stack launches that matter.
Filipe on XI open-sourced my Claude Code playbook
My Claude Code Playbook is now public: a setup guide with an installable baseline, plus autopilot, which takes a SPEC.md to a verified pull request.
Autopilot guide: from SPEC.md to a pull request with Claude Code
How to run autopilot from the Claude Code Playbook: requirements, install, the spec with /autopilot-spec, the commands, how a run ends and what to watch.
Python 3.15: lazy imports, frozendict, UTF-8 by default and a faster JIT
Python 3.15 arrives with explicit lazy imports, built-in frozendict and sentinel, UTF-8 as default, the Tachyon profiler and a faster experimental JIT.
Next.js 16.4: Cache Components recommended for every app, plus agent-driven upgrades
Next.js 16.4 recommends Cache Components for all apps, adds ensureStatic, navigation() and prefetch(), and ships next upgrade --agent with React 19.3.
Claude Opus 5.5: lower prices, faster output and gains on agentic benchmarks
Anthropic launches Claude Opus 5.5 at $4/$20 per million tokens, with faster output, a fast mode and gains on Terminal-Bench and GDPval-AA.
Safari 27: an MCP server for agents, customizable select and the model element
Safari 27.0 ships an MCP server in safaridriver for coding agents, customizable select, model beyond visionOS, JSPI and a rewritten ES module loader.
React 19.3: stable View Transitions and Fragment Refs, plus the new browser() API
React 19.3 makes ViewTransition and Fragment Refs stable, adds browser() to react-dom, Trusted Types support and Context directly in Server Components.
Kubernetes 1.37 "Garhwal": stable Metrics API, KYAML and HPA scaling to zero
Kubernetes v1.37 brings 67 enhancements: metrics.k8s.io at v1, stable KYAML and Pod certificates, HPA scale-to-zero in beta, and kube-proxy ipvs heading out.
Go 1.27: generic methods, encoding/json v2 and post-quantum signatures
Go 1.27 brings generic methods, encoding/json/v2 under encoding/json, ML-DSA (FIPS 204), a uuid package and faster allocation for small objects.
TypeScript 7.0: the native Go compiler arrives with builds up to 12x faster
TypeScript 7.0 is the native version written in Go: builds 8 to 12 times faster, new tsconfig defaults and no programmatic API for now.