v1.39.0

zai-org/GLM-5v1.39.0Mar 6, 2026by Schniz

AI Summary

This release focuses on performance optimization for shell startup and improved robustness of the `--use-on-cd` hook, alongside new flags for installation and default version management.

Key Highlights

  • Shell startup is now faster by applying the initial version during `fnm env`
  • Improved `--use-on-cd` shell hook robustness with zsh deduplication and Windows CMD fixes
  • New `fnm install --use` flag to automatically switch to the installed version
  • New `fnm default` command returns the current default version without arguments

New Features

  • `fnm install --use` flag
  • Updated Rust toolchain to 1.88

Full Release Notes

**Performance & UX Improvements:**
- Shell startup is now faster: `fnm env --use-on-cd` applies the initial version during `fnm env` itself, eliminating an extra `fnm use` subprocess
- Improved `--use-on-cd` shell hook robustness (zsh hook deduplication on re-source, Windows CMD fixes for paths with spaces and drive changes)

**New Features:**
- `fnm install --use` flag to automatically switch to the version after installing
- `fnm default` (with no arguments) now returns the current default version

**Internal:**
- Rust toolchain upgraded to 1.88

**Docs/Maintenance:**
- Various README improvements, typo fixes, and CI workflow fixes

**Thanks to the new contributors:** @SunsetTechuila, @MangelMaxime, @CodingWithAnxiety, @zeroberry, @isaacl :hat-tip: