> ## Documentation Index
> Fetch the complete documentation index at: https://primer.io/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Web SDK changelogs

Primer maintains two Web SDK packages. Choose yours:

<CardGroup cols={2}>
  <Card title="Primer checkout SDK" icon="sparkles" href="/changelogs/primer-checkout-sdk">
    **`@primer-io/primer-js`** — Recommended for all new integrations.
  </Card>

  <Card title="Web SDK" icon="code" href="/changelogs/web-sdk">
    **`@primer-io/checkout-web`** — For existing integrations not yet migrated.
  </Card>
</CardGroup>