# Connect Legacy SDKs (Unity, JS)

Before the release of Connect 4337, we built other versions of the product that already used safe and passkeys, providing account abstraction to games (Unity) and dapps (TS).

If you are interested, you can find all the details about this version in the [Connect Legacy documentation.](https://docs.cometh.io/connect)

If you want to migrate from legacy to the 4337 SDK, please [see here.](/resources/migrate-from-the-connect-legacy-sdk.md)


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