◉CLAUDE LABJP
●2.1.302 — Fork subagents are now on by default in claude -p, the Agent SDK and the desktop app. Turn them off with CLAUDE_CODE_FORK_SUBAGENT=0 (10/16)●2.1.307 — Fixes MCP failing to reconnect after sleep or a keychain lock (10/21). 2.1.306 also fixed the false claude -p login message●SONNET 4.5 — Retires on the Claude API on 11/30, 38 days left. Migrate to Sonnet 5.5●WINDOWS — Reports say hooks break silently only on Japanese-locale Windows; check the character encoding first●FAST MODE — Opus 5.5 fast mode is out of research preview and no longer needs the beta header (10/15)●NEW — I Put a Ten-Line Promise File at the To…●2.1.302 — Fork subagents are now on by default in claude -p, the Agent SDK and the desktop app. Turn them off with CLAUDE_CODE_FORK_SUBAGENT=0 (10/16)●2.1.307 — Fixes MCP failing to reconnect after sleep or a keychain lock (10/21). 2.1.306 also fixed the false claude -p login message●SONNET 4.5 — Retires on the Claude API on 11/30, 38 days left. Migrate to Sonnet 5.5●WINDOWS — Reports say hooks break silently only on Japanese-locale Windows; check the character encoding first●FAST MODE — Opus 5.5 fast mode is out of research preview and no longer needs the beta header (10/15)●NEW — I Put a Ten-Line Promise File at the To…
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Log Design

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Claude Code2Cowork1Scheduled Tasks1bash1Python1Subagents1Automation1
◈ Cowork/2026-10-22Intermediate

Half My Scheduled-Task Logs Were Unreadable, So I Added One Mark Line Instead of Widening the Regex

Only about half of 1,076 daily log entries yielded a result. Widening the regex recovered 35 and raised false alarms, so I wrote a fixed one-line mark per run and a morning check script.

⟐ Claude Code/2026-07-17Advanced

My Nightly Subagents Ran, and I Couldn't Retrace Them — Trimming the Logs That --forward-subagent-text Unleashed

Subagent text and thinking can now flow into stream-json output, and unattended log volume climbs sharply with it. Here are measured numbers, a three-tier retention filter that keeps only what postmortems need, and a correlation ID design that survives missing fields.

⟐ Claude Code/2026-07-16Intermediate

Switching Claude Code to Plain-Text Rendering — Three Ways In, and What Your Logs Actually Weigh

I opened last night's Claude Code log and found the same spinner line stacked dozens of times. Here are the three ways to turn on screen reader mode, a short script that measures what escape sequences and redraws really cost you, and what you give up when the rendering goes plain.