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Claude Code v2.1.89 β†’ v2.1.90: Interactive lessons (/powerup) and performance boostΒ #237

@claude-yolo

Description

@claude-yolo

Release Highlights

πŸš€ Interactive Learning: New /powerup command teaches Claude Code features with animated demos

⚑ Performance Gains:

  • Linear time SSE transport (was quadratic)
  • Eliminated conversation slowdown at scale
  • Faster project resume loading

πŸ”’ Security Hardening: Fixed multiple PowerShell permission bypasses

πŸ› Critical Bug Fixes:

  • Infinite rate-limit loop crash
  • Resume cache misses
  • Format-on-save conflicts

πŸ”— PR: thevibeworks/claude-code-docs#820

Why Users Should Care

The /powerup feature makes Claude Code way more discoverable for new users. Performance improvements mean faster responses for heavy users. Security fixes protect against tool bypasses.

Major quality-of-life release!

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