Overview

This release focuses heavily on memory leak fixes and performance improvements for long-running sessions. It also adds agent worktree isolation capabilities and expands the 1M context window to Opus 4.6 fast mode.

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Changes by Version

v2.1.50

  • Added worktree isolation for agents - agents can now run in isolated git environments
  • Added 1M context window support for Opus 4.6 fast mode
  • Added claude agents CLI command to list all configured agents
  • Added startup timeout configuration for LSP servers
  • Added WorktreeCreate and WorktreeRemove hooks for custom VCS setup during agent isolation
  • Added CLAUDE_CODE_DISABLE_1M_CONTEXT environment variable to disable 1M context support
  • Added /extra-usage command support in VS Code sessions
  • Fixed memory leaks in agent teams - completed teammate tasks are now properly garbage collected
  • Fixed memory leaks in long sessions - multiple fixes for LSP diagnostics, task outputs, file history, and shell commands
  • Fixed session invisibility bug when working directory involved symlinks
  • Fixed session data loss on SSH disconnect by improving graceful shutdown
  • Fixed native module loading on older Linux systems (glibc < 2.30)
  • Fixed CLAUDE_CODE_SIMPLE mode to fully strip down all features for minimal experience
  • Fixed MCP tool discovery when tool search is enabled with launch arguments
  • Fixed /mcp reconnect freezing when given non-existent server names
  • Fixed prompt suggestion cache regression that reduced hit rates
  • Improved startup performance in headless mode by deferring UI imports
  • Improved memory usage during long sessions by clearing caches and large tool results