Claude Code — March 2026 Releases
22 releases in March 2026.
- v2.1.89 (March 31, 2026) — - Added "defer" permission decision to PreToolUse hooks — headless sessions can pause at a tool call and resume with -p --resume to have the hook re-e
- v2.1.88 (March 30, 2026) — - Added CLAUDECODENOFLICKER=1 environment variable to opt into flicker-free alt-screen rendering with virtuali
- v2.1.87 (March 29, 2026) — - Fixed messages in Cowork Dispatch not getting delivered
- v2.1.86 (March 27, 2026) — - Added X-Claude-Code-Session-Id header to API requests so proxies can aggregate requests by session without parsing the body - Added .jj and .sl to V
- v2.1.85 (March 26, 2026) — - Added CLAUDECODEMCPSERVERNAME and CLAUDECODEMCPSERVERURL environment variables to MCP headersHelper scripts, allowing one helper to serve multiple s
- v2.1.84 (March 25, 2026) — - Added PowerShell tool for Windows as an opt-in preview. Learn more at https://code.claude.com/docs/en/tools-referencepowershell-tool - Added ANTHROP
- v2.1.83 (March 24, 2026) — - Added managed-settings.d/ drop-in directory alongside managed-settings.json, letting separate teams deploy independent policy fragments that merge a
- v2.1.81 (March 20, 2026) — - Added --bare flag for scripted -p calls — skips hooks, LSP, plugin sync, and skill directory walks; requires ANTHROPICAPIKEY or an apiKeyHelper via
- v2.1.80 (March 19, 2026) — - Added ratelimits field to statusline scripts for displaying Claude.ai rate limit usage (5-hour and 7-day windows with usedpercentage and resetsat) -
- v2.1.79 (March 18, 2026) — - Added --console flag to claude auth login for Anthropic Console (API billing) authentication - Added "Show turn duration" toggle to the /config menu
- v2.1.78 (March 17, 2026) — - Added StopFailure hook event that fires when the turn ends due to an API error (rate limit, auth failure, etc.) - Added ${CLAUDEPLUGINDATA} variable
- v2.1.77 (March 16, 2026) — - Increased default maximum output token limits for Claude Opus 4.6 to 64k tokens, and the upper bound for Opus 4.6 and Sonnet 4.6 models to 128k toke
- v2.1.76 (March 14, 2026) — - Added MCP elicitation support — MCP servers can now request structured input mid-task via an interactive dialog (form fields or browser URL) - Added
- v2.1.75 (March 13, 2026) — - Added 1M context window for Opus 4.6 by default for Max, Team, and Enterprise plans (previously required extra usage) - Added /color command for all
- v2.1.74 (March 11, 2026) — - Added actionable suggestions to /context command — identifies context-heavy tools, memory bloat, and capacity warnings with specific optimi
- v2.1.73 (March 11, 2026) — - Added modelOverrides setting to map model picker entries to custom provider model IDs (e.g. Bedrock inference profile ARNs) - Added actionable guida
- v2.1.72 (March 9, 2026) — - Fixed tool search to activate even with ANTHROPICBASEURL as long as ENABLETOOLSEARCH is set. - Added w key in /copy to write the focused selection d
- v2.1.71 (March 6, 2026) — - Added /loop command to run a prompt or slash command on a recurring interval (e.g. /loop 5m check the deploy) - Added cron scheduling tools for recu
- v2.1.70 (March 6, 2026) — - Fixed API 400 errors when using ANTHROPICBASEURL with a third-party gateway — tool search now correctly detects proxy endpoints and disables toolref
- v2.1.69 (March 4, 2026) — - Added the /claude-api skill for building applications with the Claude API and Anthropic SDK - Added Ctrl+U on an empty bash prompt (!) to exit bash
- v2.1.68 (March 4, 2026) — - Opus 4.6 now defaults to medium effort for Max and Team subscribers. Medium effort works well for most tasks — it's the sweet spot between speed and
- v2.1.66 (March 4, 2026) — - Reduced spurious error logging