---
title: Earlier Alpha Intro
description: The v3 alphas renamed and removed APIs that never shipped in a
  stable release. Names that were in stable v2 keep a deprecated alias. Every
  other renamed name is removed with no alias, so a build that still uses one
  fails to type-check or throws at runtime.
lastModified: "2026-10-10T14:59:21+01:00"
lastAuthor: Kaylee
---
## Upgrade from an earlier v3 alpha

The v3 alphas renamed and removed APIs that never shipped in a stable release.
Names that were in stable v2 keep a deprecated alias. Every other renamed name
is removed with no alias, so a build that still uses one fails to type-check
or throws at runtime.