Overview

This release includes extensive bug fixes and performance improvements for Claude Code, focusing on Windows compatibility and memory optimization across file operations, agent management, and terminal rendering.

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Changes by Version

v2.1.47

  • Fixed preserve intentional trailing blank lines in file writes instead of stripping them
  • Fixed Windows terminal rendering bugs - line counts now show correct values instead of always showing 1
  • Improved VS Code plan preview auto-updates as Claude iterates and enables commenting when ready for review
  • Fixed bold and colored text positioning in markdown output on Windows
  • Fixed compaction failing with many PDF documents by stripping document blocks before API calls
  • Improved memory usage in long sessions by releasing API stream buffers and agent context after use
  • Improved startup performance by 500ms through deferred SessionStart hook execution
  • Fixed bash tool output being silently discarded on Windows with MSYS2 or Cygwin shells
  • Improved file mention performance with faster suggestions through pre-warming and session caching
  • Fixed bash permission classifier hallucinations by validating match descriptions against actual input rules
  • Fixed user-defined agents only loading one file on NFS/FUSE filesystems with zero inodes
  • Fixed plugin agent skills failing to load when referenced by bare name instead of fully-qualified name
  • Added search patterns in quotes for clarity in collapsed tool results
  • Fixed Windows temp file cleanup - CWD tracking files no longer accumulate indefinitely
  • Changed agent control to ctrl+f to kill background agents instead of double-pressing ESC
  • Fixed API 400 errors in concurrent agent sessions caused by interleaved streaming content blocks
  • Simplified teammate navigation to Shift+Down only with wrapping instead of both up and down
  • Fixed independent file operations completing even when sibling operations fail
  • Added last_assistant_message field to Stop and SubagentStop hook inputs
  • Fixed custom session titles persisting after resuming conversations set via /rename
  • Fixed collapsed hint text overflow on narrow terminals by truncating from start
  • Fixed bash backslash-newline continuation producing spurious empty arguments
  • Fixed built-in slash commands being hidden from autocomplete when many user skills are installed
  • Fixed MCP servers not appearing in Management Dialog after deferred loading
  • Fixed session name persisting in status bar after /clear command
  • Fixed crash when skill metadata contains bare numbers in SKILL.md frontmatter