The Claude Code Changelog

Episod

• 
  Claude Code 2.1.283: Auto Mode by Default 27.09.2026 4min

  Claude Code 2.1.283 changes the default for interactive sessions on Bedrock, Vertex AI, and telemetry-off setups to auto mode, and we break down what that means for approvals, classifier behavior, proxy fallback costs, and how to switch back to manual control. We also cover the new MCP image-saving workflow, prompt file-plus-text options, and a critical PowerShell safety fix for destructive commands.
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  Claude Code 2.1.283: Prompt Audits, Gateway Hints, and Better TUI Navigation 26.09.2026 3min

  The hosts break down Claude Code 2.1.283, including the new prompt audit tool that scans CLAUDE.md, skills, subagents, and rules for stale paths, dead commands, and conflicting instructions. They also cover enterprise gateway hint headers and smoother terminal navigation with mouse and page-key support.
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  Claude Code 2.1.282: Ultrawide Readability and Self-Healing Fixes 25.09.2026 4min

  We dig into Claude Code 2.1.282, including the new maxProseWidth setting for readable prose on ultrawide monitors, plus self-healing fixes for redacted thinking block errors and broken web search history. We also cover clearer environment diagnostics in claude doctor and /status, along with the new Chrome policy option for managed MCP setups. Show Notes Claude Code changelog - Claude Code Docs: https://code.claude.com/docs/en/changelog
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  Claude Code Fixes Silent MCP Failures in 2.1.28.1 24.09.2026 3min

  We dig into a frustrating Claude Code bug where MCP tools can silently disappear, then break down how release 2.1.28.1 improves validation by catching dropped .mcp.json entries, undeclared template variables, and insecure HTTP endpoints before they hit production. We also cover a stricter schema gotcha for existing CI pipelines and a handy quality-of-life update for disabling automated Git commit and PR attribution footers.
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  Claude Code Fixes MCP Truncation in 2.1.280 23.09.2026 3min

  Claude Code 2.1.280 adds a long-awaited fix for MCP tool descriptions that were silently capped at 2,048 characters, plus a new environment variable to raise or lower the limit as needed. The episode also covers the tradeoffs of larger prompts, a Write tool validation patch, and quality-of-life fixes like improved modal exits and better scrolling.
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  Claude Code 2.1.277: Egress Proxy Fixes for Enterprise 22.09.2026 4min

  We break down Claude Code 2.1.277’s enterprise networking fixes, including a new egress-boundary flag that skips local DNS lookups and hands hostname resolution to your forward proxy. We also cover static upstream headers in gateway config, telemetry proxy behavior, streaming gotchas, and a few quality-of-life improvements for worktrees and background tasks.
• 
  Claude Code’s Cache Fixes, Prompt Sanitization, and Cost Savings 21.09.2026 3min

  We break down the latest Claude Code point releases, including the new dynamic boundary for prompt caching that can cut input token costs dramatically, plus practical tips for avoiding cache misses caused by whitespace and line-ending changes. Also covered: automatic prompt sanitization to strip invisible Unicode injection tricks, smoother plugin marketplace registration, and a handy Auto mode status update in slash status.
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  Claude Code 2.1.277: Safer Subagents and Better CLI Diagnostics 20.09.2026 4min

  Claude Code 2.1.277 tackles prompt injection in multi-agent workflows with structural subagent result framing, making it harder for untrusted text to hijack orchestration. The episode also covers better headless error handling, invisible prompt sanitization, and clearer Grep/Glob diagnostics.
• 
  Claude Code’s Cheaper Auto Mode and the Proxy Trap 19.09.2026 3min

  Anthropic’s latest Claude Code update moves safety classification checks to the server, cutting token costs for auto mode unless a proxy strips the required headers and forces a fallback. The episode also covers how to diagnose eligibility with /status, disable server checks with an environment variable, and the new AGENTS.md fallback for repo instructions. Show Notes Claude Code 2.1.275 — claude.ai skills and plugins sync to the terminal: https://ai-tldr.dev/releases/anthropic-claude-code-2-1-275/ Auto mode classifier request charges - Claude Code Docs: https://code.claude.com/docs/en/auto-mode-classifier-billing
• 
  Claude Code Gets a Send Now Key 18.09.2026 3min

  Anthropic’s latest Claude Code updates make agent steering much smoother, adding a send now shortcut that interrupts a running turn without losing context. The episode also covers account-wide skill and plugin syncing, marketplace install improvements, and a quick hotfix for enterprise gateway and proxy users.
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  Claude Code 2.1.274 Fixes Death Loops and Goal Loss 17.09.2026 2min

  We break down Claude Code 2.1.274’s biggest workflow fixes, including automatic repair for desynced tool calls, cleaner failure handling with slash rewind, and better goal persistence through context compaction. Plus, a look at the new default Model Context Protocol client on Bedrock, Vertex, and Foundry, and how to keep legacy MCP setups running if you need them.
• 
  Claude Code 2.1.273: Gateway Hints for Smarter Routing 16.09.2026 2min

  We break down Anthropic’s latest Claude Code update, including opt-in gateway hint headers that let proxies route traffic without inspecting private prompt bodies. Plus, we cover cleaner MCP reconnect notifications, remote session forking, and the return of local default classification for Bedrock and Vertex auto mode.
• 
  Claude Code 2.1.271: Leaner Subagents and Tighter Sandboxes 15.09.2026 3min

  We break down Anthropic’s Claude Code 2.1.271 update, including the new omitClaudeMd setting that keeps subagents focused by skipping local context files while preserving managed policies. The episode also covers tighter command-level sandboxing, SHA-256 plugin verification, and nicer-looking Markdown artifacts.
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  Claude Code’s WebFetch Timeout Fix 14.09.2026 2min

  We break down the Claude Code 2.1.268 fix for WebFetch hangs, including the new 300-second deadline and the CLAUDE_CODE_WEBFETCH_DEADLINE_MS setting for tuning timeouts in CI. The episode also covers session cleanup for self-hosted runners, JSON output for plugin commands, and tighter local file safety in Cowork sessions.
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  Claude Code 2.1.270: Inline Diffs and Key Fixes 13.09.2026 2min

  We break down how Claude Code 2.1.270’s bashEditDiffEnabled surfaces inline diffs for shell edits, helping the agent see file changes instantly without extra git diff calls. The episode also covers a tee-related security fix, a read-only git permission regression, and improved retry handling for more reliable terminal workflows.
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  Claude Code 2.1.269: Plugin Evals and 256-Agent Workflows 12.09.2026 3min

  Claude Code 2.1.269 brings a dedicated plugin eval CLI for reproducible benchmarking, with scored JSON output and an HTML report to catch regressions before shipping. The episode also covers higher workflow concurrency via CLAUDE_CODE_WORKFLOW_MAX_CONCURRENT_AGENTS and new /output style controls for cleaner remote and headless runs.
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  Claude Code SessionEnd Hooks Fixed: No More 1.5s Teardown Cuts 11.09.2026 3min

  We break down a Claude Code bug that caused SessionEnd hooks to be killed after just 1.5 seconds, even when a global timeout was set, leading to truncated teardowns, missing uploads, and corrupted logs. The episode also covers the fix, best practices for per-hook timeouts, and related updates for gateway pricing sync and OpenTelemetry exports.
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  Claude Code 2.1.267: Hard-Cap AI Thinking Costs 10.09.2026 3min

  We break down how Claude Code 2.1.267 helps teams control AI spending with a hard cap on extended thinking across cloud providers, while still letting subagents and custom prompts use lower effort levels when appropriate. The episode also covers the new system prompt snapshot toggle, giving prompt engineers faster live iteration without restarting sessions.
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  Claude Code Adds Hot-Reloaded Local Plugin Bundles 09.09.2026 3min

  Claude Code 2.1.265 brings hot-reloading for local plugins, letting you point plugin dir at a parent folder and load or unload multiple tools live without restarting your session. The episode also covers symlink safety checks, clearer truncation notices for large tool logs, and a refreshed workflows UI for debugging nested agent activity.
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  Locking Down AI Auto Mode and Read Access 08.09.2026 4min

  We break down new safeguards for AI coding agents in auto mode, including out-of-bounds read protection, stricter cloud metadata containment, and safer behavior in headless CI runs. The episode also covers terminal usability upgrades and clearer diagnostics for proxy and policy issues.