v1.39.0
zaidmukaddam/scirav1.39.0Mar 6, 2026by Schniz
AI Summary
This release prioritizes performance and UX improvements for the shell tool, including faster startup times, enhanced hook robustness, and new utility flags.
Key Highlights
- Shell startup is now faster as `fnm env` applies the initial version directly.
- Improved `--use-on-cd` shell hook robustness with zsh deduplication and Windows CMD fixes.
- Added `fnm install --use` flag to automatically switch versions after installation.
- Added `fnm default` command to return the current default version.
New Features
- `fnm install --use` flag for automatic version switching.
- `fnm default` command returning the current default version.
- Optimized shell startup performance.
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: