docs: draft changelog #036

[hussufo]

docs: draft changelog #36

Generated content/docs/changelog/changelog-036.mdx.

• Window: 2026-07-24T13:35:35.621Z to 2026-08-14T13:32:21.358Z
• Window source: state
• Timezone reference: America/Toronto
• The MDX draft is intentionally clean. Commit references for kept and dropped items are listed below for review.
• Cover image: /images/changelog/36.png (the undithered original is in the run artifacts for palette retries)
• Cover motif: A stage manager opens a wide central curtain while several performers move through marked positions and assistants keep the wings clear.

Monitored repositories

• 0xnenlabs/steel@release (direct)
• steel-dev/steel-browser@main (derived from the application release)
• steel-dev/steel-cookbook@main (direct)
• steel-dev/pi-steel@main (direct)
• steel-dev/leaderboard@main (direct)
• steel-dev/cli@main (direct)
• steel-dev/docs@main (direct)

Included items

⭐ New

• Accessibility-first browser tools for Pi: The official Pi extension now supports accessibility snapshots, semantic targeting by role, name, or text, and locally saved artifacts across its browser tools. pi-steel c4c77cd pi-steel 56d5b54 docs 3e5656d
• Session create responses now include concurrency limit, active session, and remaining capacity headers, including on concurrency-limit 429 responses. steel 77d5a1b
• The session viewer now supports a fullscreen live view. steel 0e5a4a2
• Managed browser sessions can now access extension pages while Steel’s internal extension pages remain protected. steel eba1cdb

🔧 Improvements

• Session release now retries failed browser cleanup in the background, with a managed-browser watchdog as a final backstop against orphaned browsers and leaked concurrency slots. steel 24b0016
• Extension archives are now copied server-side into session storage with retries for transient storage failures. steel ba31644 steel 7bbdfab
• The console received a broader UI refresh across the session viewer, agent traces, billing, settings, and onboarding, including keyboard seeking and improved session details. steel 91f4d36
• Docs now include a task-based session configuration guide and examples for reserving session IDs in Node and Python. docs 502ec4f docs d8dd806

🐛 Bug Fixes

• Fixed WebSocket proxy cleanup so abandoned or closed connections no longer retain file descriptors and degrade API availability. steel 03d5c19 steel 3ab2490 steel cdd9c56
• Fixed log redaction so credentials embedded in URL values, including proxy URLs, are removed before logging. steel d06db98
• Fixed agent traces so scroll actions use the correct icon and alignment. steel 58fa435

Source filtering

• Commits collected: 93
• Logical changes: 93 (42 eligible, 51 excluded, 0 unaccounted)
• Full ledger: scripts/changelog/audit/036.json in this pull request
• Private sources keep their links and SHAs here but not their titles, subjects, or paths.

Needs review (47)

A heuristic rule dropped each of these. Confirm none of them belongs in the changelog.

• routine_maintenance 0xnenlabs/steel #1788 (1 commit, 3 files)
• internal_only 0xnenlabs/steel #1790 (1 commit, 1 file)
• non_material_docs steel-dev/docs 17baa9a: chore(images): compress changelog covers 22-34 (72% smaller) (1 commit, 13 files)
• non_material_docs steel-dev/docs 19b5727: chore(docs): add Vale prose linting (1 commit, 6 files)
• non_material_docs steel-dev/docs 26c3f24: fix(changelog): monitor Pi releases and standardize intros (1 commit, 3 files)
• non_material_docs steel-dev/docs 69bb24f: refactor(llms): serve agent instructions in the llms-full.txt bundle (1 commit, 3 files)
• non_material_docs steel-dev/docs 9f3a45c: Merge branch 'niko/vale' (1 commit, 15 files)
• non_material_docs steel-dev/docs b425cb3: docs(plans): add implementation plans (1 commit, 9 files)
• routine_maintenance steel-dev/docs e4a543a: chore(deps): bump next to 15.5.21 (1 commit, 2 files)
• non_material_docs steel-dev/docs #100: fix(api): advertise the API catalog relation (1 commit, 4 files)

37 more heuristic exclusions are in the ledger.

Structurally excluded (4)

• ignored_files_only 0xnenlabs/steel #1764 (1 commit, 1 file)
• ignored_files_only steel-dev/docs c4b8294: ci: run workflow actions on Node 24 (1 commit, 2 files)
• self_generated steel-dev/docs f0c3fea: docs(changelog): remove internal infrastructure updates (1 commit, 1 file)
• self_generated steel-dev/docs #74: docs: draft changelog feat: cookbook integration #35 (1 commit, 3 files)

Discarded while drafting (4)

• private source (Internal build and deployment infrastructure without a direct user-facing product change.) steel 8f85fe5 steel 1ef321d steel 4a298a9
• Docs prose linting, terminology cleanup, and answer-engine metadata changes (Mostly editorial and indexing maintenance without a meaningful product workflow change.) docs 9c935dc docs a5d319f docs 50fb203
• private source (Operational noise reduction and monitoring maintenance with no direct user-facing behavior change.) steel 6b9bb76 steel bc59e57
• private source (Formatting-only change with no logic or user experience impact.) steel 83d7afd

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Project	Deployment	Actions	Updated (UTC)
docs	Ready	Preview	Aug 14, 2026 1:36pm