v2.1.170 Claude Code Release Notes

Jun 9, 2026

Claude's Analysisby Sonnet 4.6

Claude Fable 5, Anthropic's most capable generally available model, is now accessible. Also fixes --resume transcript loss from VS Code terminal sessions.

Changes

Total Changes (vs Average)

0.2×

Version Type

Patch

Release Focus

Feature

Day Since Prior Release

Release # This Month

#10 of 10

Bug Fix Ratio

50%

Post-Release Edits

—

Change Category

Ecosystem Impact

Terminals have appeared in 6 of the last 10 releases, reflecting sustained focus on shell-launched sessions. This --resume fix for VS Code terminal users continues that pattern, closing a class of inherited-environment session bugs.

Key Themes

1New Flagship Model: Claude Fable 5|1Terminal Session Transcript Fix

May Help If You've Noticed

Your --resume history is empty after using Claude Code from VS Code's built-in terminal

Added1 change

•Introducing Claude Fable 5: a Mythos-class model that we’ve made safe for general use. Fable’s capabilities exceed those of any model we’ve ever made generally available. Update to version 2.1.170 for access. https://www.anthropic.com/news/claude-fable-5-mythos-5

Fixed1 change

•Fixed sessions not saving transcripts (and not appearing in --resume) when launched from the VS Code integrated terminal or any shell that inherited Claude Code environment variables.

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v2.1.170 Claude Code Release Notes

Jun 9, 2026

Claude's Analysisby Sonnet 4.6

Full Analysis

Claude Fable 5, Anthropic's most capable generally available model, is now accessible. Also fixes --resume transcript loss from VS Code terminal sessions.

Changes

Total Changes (vs Average)

0.2×

Version Type

Patch

Release Focus

Feature

Day Since Prior Release

Release # This Month

#10 of 10

Bug Fix Ratio

50%

Post-Release Edits

—

Change Category

Ecosystem Impact

Key Themes

1New Flagship Model: Claude Fable 5|1Terminal Session Transcript Fix

May Help If You've Noticed

Your --resume history is empty after using Claude Code from VS Code's built-in terminal

Added1 change

•Introducing Claude Fable 5: a Mythos-class model that we’ve made safe for general use. Fable’s capabilities exceed those of any model we’ve ever made generally available. Update to version 2.1.170 for access. https://www.anthropic.com/news/claude-fable-5-mythos-5

Fixed1 change

•Fixed sessions not saving transcripts (and not appearing in --resume) when launched from the VS Code integrated terminal or any shell that inherited Claude Code environment variables.

v2.1.170 Claude Code Release Notes

Changes in Claude Code v2.1.170

Added1 change

Fixed1 change

v2.1.170 Claude Code Release Notes

Changes in Claude Code v2.1.170

Added1 change

Fixed1 change