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QUOTA — The 50 percent weekly usage boost for Claude Code subscribers ends August 19. One day left to front-load any heavy parallel workPRICING — Claude Sonnet 5's introductory rate of $2 per million input tokens and $10 output ends August 31; standard pricing of $3 and $15 takes over on September 1MIGRATION — The legacy Workbench and the experimental prompt tool APIs retired on August 17. Anything that depended on them now needs a hand-rolled equivalent on the Messages APIGOVERNMENT — Claude for Government is in beta. Anthropic remains the contracting and billing party, so agencies can start without a separate cloud provider relationshipPROVENANCE — Claude models released from August 2 onward embed a machine-readable watermark in generated text. It applies worldwide rather than only in the EU, with no stated effect on quality, speed, or priceCLI — v2.1.233 adds memory cgroup support for Bash tool commands on Linux, so CLAUDE_CODE_TOOL_MEMORY_LIMIT keeps a runaway build from stalling the sessionQUOTA — The 50 percent weekly usage boost for Claude Code subscribers ends August 19. One day left to front-load any heavy parallel workPRICING — Claude Sonnet 5's introductory rate of $2 per million input tokens and $10 output ends August 31; standard pricing of $3 and $15 takes over on September 1MIGRATION — The legacy Workbench and the experimental prompt tool APIs retired on August 17. Anything that depended on them now needs a hand-rolled equivalent on the Messages APIGOVERNMENT — Claude for Government is in beta. Anthropic remains the contracting and billing party, so agencies can start without a separate cloud provider relationshipPROVENANCE — Claude models released from August 2 onward embed a machine-readable watermark in generated text. It applies worldwide rather than only in the EU, with no stated effect on quality, speed, or priceCLI — v2.1.233 adds memory cgroup support for Bash tool commands on Linux, so CLAUDE_CODE_TOOL_MEMORY_LIMIT keeps a runaway build from stalling the session
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Environment Variables

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Claude Code/2026-08-18Intermediate

Choosing a WebFetch Cache TTL That Fits the Way You Research

Claude Code lets you tune the WebFetch URL cache TTL. Here is how to see the shape of your own research sessions with a tiny observation server, then trade fetch count against freshness with numbers instead of guesswork.

Claude Code/2026-04-24Advanced

Claude Code Environment Variables — The Complete Practical Reference

A practitioner-focused reference for every Claude Code environment variable that actually matters. Covers API connectivity, model selection, PowerShell tool quirks, logging, timeouts, security flags, and real-world templates for solo, team, and CI/CD setups.