Claude Code v2.1.70
Claude Code v2.1.70 was released on .
Summary
- Fixed API 400 errors when using ANTHROPICBASEURL with a third-party gateway — tool search now correctly detects proxy endpoints and disables toolreference blocks - Fixed API Error: 400 This model...
Release Context
- This was the 54th Claude Code release of 2026 tracked by Havoptic.
- It shipped 1 day after Claude Code v2.1.69 (March 4, 2026).
Shipped around the same time
Within 3 days of this release, other AI coding tools also shipped:
- Devin Desktop v1.9577.24 (March 9, 2026)
- OpenAI Codex CLI rust-v0.112.0 (March 8, 2026)
- GitHub Copilot CLI v1.0.2 (March 6, 2026)
- GitHub Copilot CLI v0.0.423 (March 6, 2026)
- GitHub Copilot CLI v0.0.422 (March 5, 2026)
Compare Claude Code: vs OpenAI Codex CLI · vs Cursor · vs Gemini CLI · vs Kiro CLI · vs GitHub Copilot CLI · vs Devin Desktop · vs Antigravity CLI
Release Notes
- Fixed API 400 errors when using ANTHROPICBASEURL with a third-party gateway — tool search now correctly detects proxy endpoints and disables toolreference blocks
- Fixed API Error: 400 This model does not support the effort parameter when using custom Bedrock inference profiles or other model identifiers not matching standard Claude naming patterns
- Fixed empty model responses immediately after ToolSearch — the server renders tool schemas with system-prompt-style tags at the prompt tail, which could confuse models into stopping early
- Fixed prompt-cache bust when an MCP server with instructions connects after the first turn
- Fixed Enter inserting a newline instead of submitting when typing over a slow SSH connection
- Fixed clipboard corrupting non-ASCII text (CJK, emoji) on Windows/WSL by using PowerShell Set-Clipboard
- Fixed extra VS Code windows opening at startup on Windows when running from the VS Code integrated terminal
- Fixed voice mode failing on Windows native binary with "native audio module could not be loaded"
- Fixed push-to-talk not activating on session start when voiceEnabled: true was set in settings
- Fixed markdown links containing NNN references incorrectly pointing to the current repository instead of the linked URL
- Fixed repeated "Model updated to Opus 4.6" notification when a project's .claude/settings.json has a legacy Opus model string pinned
- Fixed plugins showing as inaccurately installed in /plugin
- Fixed plugins showing "not found in marketplace" errors on fresh startup by auto-refreshing after marketplace installation
- Fixed /security-review command failing with unknown option merge-base on older git versions
- Fixed /color command having no way to reset back to the default color — /color default, /color gray, /color reset, and /color none now restore the default
- Fixed a performance regression in the AskUserQuestion preview dialog that re-ran markdown rendering on every keystroke in the notes input
- Fixed feature flags read during early startup never refreshing their disk cache, causing stale values to persist across sessions
- Fixed permissions.defaultMode settings values other than acceptEdits or plan being applied in Claude Code Remote environments — they are now ignored
- Fixed skill listing being re-injected on every --resume (~600 tokens saved per resume)
- Fixed teleport marker not rendering in VS Code teleported sessions
- Improved error message when microphone captures silence to distinguish from "no speech detected"
- Improved compaction to preserve images in the summari
Other Recent Claude Code Releases
- v2.1.215 (July 19, 2026)
- v2.1.214 (July 18, 2026)
- v2.1.212 (July 16, 2026)
- v2.1.211 (July 15, 2026)
- v2.1.210 (July 14, 2026)
All Claude Code releases · All AI coding tool releases on Havoptic