Opus 5.5 defaults to medium effort, and Claude Code 2.1.317 changed subagent effort on Nov 3. The settings fix, plus a script to test it yourself.
Claude Code opens .env without asking, and grep -r walks right past deny rules. The sandbox config that closes it, plus the Cursor and Codex fix.
Each working Claude Code background agent resends its full transcript every 30s for a 3-5 word label. For one team that was 16.4% of spend.
Paying for Max doesn't opt you out. Where the toggle is, the settings.json block to commit, and why one thumbs-down can keep a chat for 5 years.
Anthropic's CMS misconfiguration exposed Claude Mythos, a new Capybara-tier model with major advances in reasoning, coding, and cybersecurity, raising questions about what comes after Opus.
If you're using Claude Code — and given that it reportedly has over 15 million commits on GitHub, a lot of you are — you need to stop and audit your p
Fix Claude Code ignoring your conventions by properly configuring the .claude/ folder, CLAUDE.md files, and settings.json with the right precedence chain.
