# What changed in @ucast/mongo2js

> 3 changes in @ucast/mongo2js 1 to 2 from its official release notes, upgrade guides and advisories: 2 breaking. Each one cited. Sources checked 2026-10-27. HTML: https://unstale.sh/npm/@ucast/mongo2js/

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

## @ucast/mongo2js 2

### Breaking changes

- The package supports ES2020+ only, so projects using it must run in an ES2020-or-newer environment. (2.0.0) — [release notes](https://github.com/stalniy/ucast/releases/tag/%40ucast/mongo2js%402.0.0)
- ES5M and UMD builds are dropped, so developers can no longer use those build formats. (2.0.0) — [release notes](https://github.com/stalniy/ucast/releases/tag/%40ucast/mongo2js%402.0.0)

## @ucast/mongo2js 1

### Fixes and other changes

- Ensures getValueByPath returns undefined on incomplete path traversal. (1.4.1) — [release notes](https://github.com/stalniy/ucast/releases/tag/%40ucast/mongo2js%401.4.1)