72 changes · 18 handbooks
October 2026
- Codex CLI 0.163.0 — Compared stable 0.163.0 (2026-10-15) with Developer Commands. npm latest=0.163.0 and alpha=0.164.0-alpha.12. Alpha changes are excluded from stable usage guida…
- Regulatory dates and agent controls — Updated the July AI Omnibus entry into force, Annex III/Annex I dates, literacy simplification, and limited Article 50 grace period.
- AI search measurement and agent billing — Clarified Google AI search eligibility, lack of special markup requirements, and aggregate Web reporting.
- Official command baseline: Claude Code 2.1.308, also npm latest/next/stable.
- Claude Code 2.1.308 — Compared v2.1.299–v2.1.308 in the official changelog with Commands and the CLI reference. npm latest, next, and stable all resolve to 2.1.308. The fetched chan…
- Codex CLI 0.163.0 — Compared stable 0.163.0 (2026-10-15) with Developer Commands. npm latest=0.163.0 and alpha=0.164.0-alpha.12. Alpha changes are excluded from stable usage guida…
- Sandbox and recovery contracts — Distinguished Agents SDK harness ownership from Agents API self-hosted execution.
- Added September–October Next.js security advisories, corrected the managed-instruction boundary to 16.3+, and clarified MCP client lifecycle and explicit tool …
- Public 0.82.0 APIs — Updated requester execution and approval response policy (0.78+), eval scores (0.79), retention (0.80), handoff (0.81), and sessionUsage (0.82).
- The command review baseline stays at 2026-10-10 · Codex CLI 0.162.1; this update changes the book structure.
- Official-command review baseline: Claude Code 2.1.296.
- Official-command review baseline: Codex CLI 0.162.1.
- Official-command review baseline: Claude Code 2.1.292.
- Official-command review baseline: Codex CLI 0.160.1.
September 2026
- Official-command review baseline: Claude Code 2.1.283.
- Official-command review baseline: Codex CLI 0.157.1.
- Added Claude Opus 5.5 (released 2026-09-22, \$4/\$20, \$0.20 cache reads = 5% of input) to the current Anthropic lineup table in cost-latency.mdx as the offici…
- Official-command review baseline: Claude Code 2.1.278.
- Official-command review baseline: Codex CLI 0.155.1.
- Raised the baseline to npm latest=0.153.4 and alpha=0.154.0-alpha.3, cross-checked against the local CLI at 0.153.4.
- Raised the baseline to Claude Code v2.1.261 and npm latest/next=2.1.261, stable=2.1.236 after reviewing v2.1.252~261 and the Claude Fable 5.1 docs.
- Added a current Anthropic lineup table to cost-latency.mdx, checked 2026-09-05: Fable 5.1 (\$10/\$50 with \$0.25 cache reads), Opus 5 (\$5/\$25), Sonnet 5 (\$2…
August 2026
- Raised the baseline to npm latest=0.150.1 and alpha=0.151.0-alpha.6, including image-aware remote compaction.
- Raised the baseline to Claude Code v2.1.247 and npm latest/next=2.1.247, stable=2.1.231 after reviewing v2.1.239~247.
- Raised the baseline to npm latest=0.148.0 and alpha=0.149.0-alpha.4, covering /export, codex exec fork, resume-picker archive/restore, startup prompt drafting,…
- Raised the baseline to Claude Code v2.1.237 and npm latest/next=2.1.237, stable=2.1.228 after reviewing v2.1.221~237.
- Re-checked official releases, the local CLI, and npm: stable/latest remains Codex CLI 0.146.0; npm alpha remains 0.147.0-alpha.4.
- Re-checked the official changelog, local CLI, and npm: v2.1.220 remains latest and next, while v2.1.212 remains stable.
- Updated the stable/latest baseline to Codex CLI 0.146.0; npm reports latest=0.146.0 and alpha=0.147.0-alpha.4.
- Raised the baseline to Claude Code v2.1.220 and checked npm dist-tags (latest=2.1.220, stable=2.1.212, next=2.1.220).
July 2026
- Updated the stable/latest baseline to Codex CLI 0.144.0; npm reports latest=0.144.0 and alpha=0.145.0-alpha.1.
- Updated the English handbook baseline to Claude Code v2.1.205 after checking the official changelog and npm dist-tags (latest=2.1.205, stable=2.1.197; excluded…
- Updated the English handbook baseline to Claude Code v2.1.201 after checking the official changelog and npm dist-tags (latest=2.1.201, stable=2.1.185).
- Refreshed the English handbook stable/latest baseline to Codex CLI 0.142.5; npm latest is 0.142.5 and alpha is 0.143.0-alpha.31.
- Updated the English handbook baseline to Claude Code v2.1.197 after checking the official changelog and npm dist-tags (latest=2.1.197, stable=2.1.185).
June 2026
- Refreshed the English handbook baseline to Codex CLI 0.142.0; npm latest is 0.142.0 and alpha is 0.143.0-alpha.14, so team guidance remains on stable/latest.
- Updated the English handbook baseline to Claude Code v2.1.190 after checking the official changelog and npm dist-tags (latest=2.1.190, stable=2.1.179).
- Initial English edition added.
- Fixed locale-leaking navigation: corrected the cover-page contents Card links from bare /books/codex-advanced/... to locale-prefixed /en/books/codex-advanced/.…
- Review and refresh pass: normalized a non-standard Callout type (warning → warn) in the Principles chapter.