megachangelog
Feature2.1.170

Claude Fable 5 now available with transcript session fix

Introducing Claude Fable 5, a new Mythos-class model now available for general use with enhanced capabilities. Also fixed an issue where sessions failed to save transcripts and appear in resume when launched from VS Code integrated terminal or shells with inherited environment variables.

  • 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
  • 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.
fable-5modelssessionstranscriptsvscode

Source: original entry ↗

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Improvement2.1.304

Claude Code 2.1.304: Plugin hooks, auto-mode setup, and Code Review improvements

This release adds transcript visibility for plugin hook skipping, introduces /auto-mode-setup for environment configuration, expands mod tooling with permission controls, and enhances Code Review with review levels and organization-wide repository scanning. Multiple changes improve plugin behavior, skill management, and VSCode integration.

pluginsmodscode-reviewvscodesecurity
Improvement2.1.303

Bug fixes and reliability improvements

This release includes bug fixes and reliability improvements to enhance overall product stability and performance.

stabilityreliabilitybug-fixesperformance
Improvement2.1.302

2.1.302 — Model selection, idle compaction control, and session improvements

Added configuration options for auto mode model selection and idle compaction control, plus a banner showing why cloud session runs didn't start. Enhanced subagent handling, session management, and Claude Tag admin settings organization.

configurationcloud-sessionsagent-sdksubagentssettings
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