# What changed in properties-file

> 3 changes in properties-file 5 from its official release notes, upgrade guides and advisories. Each one cited. Sources checked 2026-10-25. HTML: https://unstale.sh/npm/properties-file/

To see which of these apply to a repository, run `npx @unstale/cli init` in it.

## properties-file 5

### Performance

- The min+gzip bundle is 7.5% smaller, decreasing from 3.1 kB to 2.9 kB. (5.0.6) — [release notes](https://github.com/properties-file/properties-file/releases/tag/v5.0.6)
- The min+gzip bundle is 4.3% smaller, decreasing from 5.1 kB to 4.8 kB. (5.0.6) — [release notes](https://github.com/properties-file/properties-file/releases/tag/v5.0.6)

### Fixes and other changes

- The full API now works on supported ES5-only runtimes, back to Node.js 0.4.0, without unguarded Symbol references. (5.0.6) — [release notes](https://github.com/properties-file/properties-file/releases/tag/v5.0.6)