AI news in March 2026: Codex & Claude

Usage resets

Completed and reported resets, announcements and banked resets. Only Completed entries count as a finished reset. Full monthly logs: Codex resets in March 2026.

• 27 MarCodex Codex reset on Mar 27, 2026 (reported)Usage reset
• 11 MarCodex Codex reset on Mar 11, 2026 (reported)Usage reset
• 10 MarCodex Codex reset announced on Mar 10, 2026Reset announcement
• 8 MarCodex Codex reset on Mar 8, 2026 (reported)Usage reset
• 4 MarCodex Codex reset announced on Mar 4, 2026Reset announcement
• 3 MarCodex Codex reset announced on Mar 3, 2026Reset announcement

Claude Code releases (20)

• 29 MarClaude Code 2.1.87Fixed messages in Cowork Dispatch not getting delivered
• 27 MarClaude Code 2.1.86Added 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 VCS…
• 26 MarClaude Code 2.1.85Added CLAUDE_CODE_MCP_SERVER_NAME and CLAUDE_CODE_MCP_SERVER_URL environment variables to MCP headersHelper scripts, allowing one helper to serve multiple servers · Added conditional if field for hooks…
• 26 MarClaude Code 2.1.84Added PowerShell tool for Windows as an opt-in preview. Learn more at · Added ANTHROPIC_DEFAULT_{OPUS,SONNET,HAIKU}_MODEL_SUPPORTS env vars to override effort/thinking capability detection for pinned…
• 25 MarClaude Code 2.1.83Added managed-settings.d/ drop-in directory alongside managed-settings.json, letting separate teams deploy independent policy fragments that merge alphabetically · Added CwdChanged and FileChanged hook events for…
• 20 MarClaude Code 2.1.81Added --bare flag for scripted -p calls — skips hooks, LSP, plugin sync, and skill directory walks; requires ANTHROPIC_API_KEY or an apiKeyHelper via --settings…
• 19 MarClaude Code 2.1.80Added rate_limits field to statusline scripts for displaying Claude.ai rate limit usage (5-hour and 7-day windows with used_percentage and resets_at) · Added source: 'settings'…
• 18 MarClaude Code 2.1.79Added --console flag to claude auth login for Anthropic Console (API billing) authentication · Added "Show turn duration" toggle to the /config menu ·…
• 17 MarClaude Code 2.1.78Added StopFailure hook event that fires when the turn ends due to an API error (rate limit, auth failure, etc.) · Added ${CLAUDE_PLUGIN_DATA} variable…
• 17 MarClaude Code 2.1.77Increased 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…
• 14 MarClaude Code 2.1.76Added MCP elicitation support — MCP servers can now request structured input mid-task via an interactive dialog (form fields or browser URL) · Added…
• 13 MarClaude Code 2.1.75
• 12 MarClaude Code 2.1.74Added actionable suggestions to /context command — identifies context-heavy tools, memory bloat, and capacity warnings with specific optimization tips · Added autoMemoryDirectory setting to…
• 11 MarClaude Code 2.1.73Added modelOverrides setting to map model picker entries to custom provider model IDs (e.g. Bedrock inference profile ARNs) · Added actionable guidance when OAuth…
• 10 MarClaude Code 2.1.72Changed tool search to bypass the third-party proxy gate when the environment variable is set (replaces CLAUDE_CODE_PROXY_SUPPORTS_TOOL_REFERENCE, now removed) · Added w key in…
• 7 MarClaude Code 2.1.71Added /loop command to run a prompt or slash command on a recurring interval (e.g. /loop 5m check the deploy) · Added cron scheduling…
• 6 MarClaude Code 2.1.70Fixed API 400 errors when using ANTHROPIC_BASE_URL with a third-party gateway — tool search now correctly detects proxy endpoints and disables tool_reference blocks ·…
• 5 MarClaude Code 2.1.69Added the /claude-api skill for building applications with the Claude API and Anthropic SDK · Added Ctrl+U on an empty bash prompt (!) to…
• 4 MarClaude Code 2.1.68Opus 4.6 now defaults to medium effort for Max and Team subscribers. Medium effort works well for most tasks — it's the sweet spot…
• 4 MarClaude Code 2.1.66

Claude Code changelog

Codex CLI releases (10)

• 31 MarCodex CLI 0.118.0Windows sandbox runs can now enforce proxy-only networking with OS-level egress rules, instead of relying on environment variables alone. (#12220) · App-server clients can…
• 26 MarCodex CLI 0.117.0Plugins are now a first-class workflow: Codex can sync product-scoped plugins at startup, browse them in /plugins, and install or remove them with clearer…
• 19 MarCodex CLI 0.116.0App-server TUI now supports device-code ChatGPT sign-in during onboarding and can refresh existing ChatGPT tokens. (#14952) · Plugin setup is smoother: Codex can prompt…
• 16 MarCodex CLI 0.115.0Supported models can now request full-resolution image inspection through both view_image and codex.emitImage(..., detail: "original"), which helps with precision visual tasks. (#14175) · js_repl…
• 11 MarCodex CLI 0.114.0Added an experimental code mode for more isolated coding workflows. (#13418) · Added an experimental hooks engine with SessionStart and Stop hook events. (#13276)…
• 10 MarCodex CLI 0.113.0Added a built-in request_permissions tool so running turns can request additional permissions at runtime, with new TUI rendering for those approval calls. (#13092, #14004)…
• 8 MarCodex CLI 0.112.0Added @plugin mentions so users can reference plugins directly in chat and auto-include their associated MCP/app/skill context. (#13510) · Added a new model-selection surface…
• 5 MarCodex CLI 0.111.0Fast mode is now enabled by default, and the TUI header shows whether the session is running in Fast or Standard mode. (#13450, #13446)…
• 5 MarCodex CLI 0.110.0Added a plugin system that can load skills, MCP entries, and app connectors from config or a local marketplace, with an install endpoint for…
• 2 MarCodex CLI 0.107.0You can now fork a thread into sub-agents, making it easier to branch work without leaving the current conversation. (#12499) · Realtime voice sessions…

Codex CLI changelog