# What changed in expect-type

> 3 changes in expect-type 1 from its official release notes, upgrade guides and advisories: 1 new APIs and options. Each one cited. Sources checked 2026-10-27. HTML: https://unstale.sh/npm/expect-type/

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

## expect-type 1

### New APIs and options

- Adds branded.inspect to view deep prop types. (1.4.0) — [release notes](https://github.com/mmkal/expect-type/releases/tag/v1.4.0)

### Behavior and default changes

- thisParameter now supports overloads, allowing overloaded function signatures to be inspected. (1.4.0) — [release notes](https://github.com/mmkal/expect-type/releases/tag/v1.4.0)

### Fixes and other changes

- Improved type errors for failures on types with optional props, making these failures clearer to developers. (1.3.0) — [release notes](https://github.com/mmkal/expect-type/releases/tag/v1.3.0)