# Summary

This runtime upgrade consists of the following functional changes:

- Adds support to Bifrost vsKSM
- Removes legacy migration

### Proposal
The proposal ( `parachainSystem.authorizeUpgrade(0xb3b3c05df889115452d3129e76a2f67f538f3c77e2b7cb284a810293678366aa)` ) is now available on the:
- [Polkadot App - Karura parachain - Democracy section](https://polkadot.js.org/apps/?rpc=wss%3A%2F%2Fkarura-rpc-2.aca-api.network%2Fws#/democracy).
- [Subsquare Referendum 16](https://www.subsquare.io/karura/democracy/referendum/16)
- [Karura Subscan Referenda 16](https://karura.subscan.io/referenda/16)

Read more on the democracy process and how to participate [here](https://wiki.acala.network/karura/get-started/governance/participate-in-democracy).

### Technical Details

- Preimage: `parachainSystem.authorizeUpgrade(0xb3b3c05df889115452d3129e76a2f67f538f3c77e2b7cb284a810293678366aa)`

![](upload://umiTlzX5Zwmjmwy1xRB3ay0ab1l.png)

- Hash: `0xc3e1e525be6e4a5a3d86521abb68b1f77306e967b2b797ad156424398dd5d292`
- Release page: [Release Karura 1.4.3](https://github.com/AcalaNetwork/Acala/releases/tag/1.4.3)
- Runtime Wasm: https://gateway.pinata.cloud/ipfs/QmNVhncQ1aCvZhMSYR1dtMT2NNuLXm4C323fALiPHcbgy4

You can verify the upgrade by following this [guide](https://wiki.acala.network/karura/get-started/governance/how-to-verify-a-runtime-upgrade).

- A new upgrade has been made to a system called Bifrost vsKSM.
- An old feature called legacy migration has been removed.
- The proposal for this upgrade is available on different websites.
- You can learn how to participate in the democracy process on the provided link.
- Technical details of the upgrade are also available, including a preimage, hash, release page, and runtime Wasm.

Runtime Upgrade - Enable vsKSM from Bifrost

Summary

Proposal

Technical Details