A quick recap about Vasil Upgrade: Progress and Development Update - Aug, 2022

The IOG & Cardano Foundation teams – plus the whole dev and SPO community – continue to work hard preparing for the Vasil upgrade, bringing multiple enhancements to Cardano.

Here’s a quick recap of where we’re at and what you can expect…

New node version

A new node version - 1.35.3 - has been released for use on the Vasil dev net and the new pre-production environment. As long as we do not encounter any significant new issues, this will be the version with which we’ll trigger the Vasil upgrade on mainnet.

New pre-production environment

This new pre-production environment has been set up to provide a ‘clean’ and more agile environment to test against 1.35.3 for exchanges and SPOs. We invite SPOs, developers BuildingOnCardano, and exchanges to commence their final testing and integration processes.

If you would like to continue testing on the Cardano testnet, please keep in mind that node version 1.35.2 will be the only version that works. Additionally, any SPOs running 1.35.0, 1,35.1, or 1.35.2 on the Cardano mainnet should immediately upgrade to 1.35.3.

When Vasil?

The Vasil upgrade is the most ambitious program of work we’ve undertaken. None of this would have been possible without the community’s support - it’s been a real team effort. Our prime concern is ensuring we manage this upgrade in a way that is safe and secure.

Three critical mass indicators will determine when we trigger the mainnet update:

  1. 75% of mainnet blocks being created by the final Vasil node candidate
  2. Roughly 25 exchanges upgraded representing c. 80% of liquidity
  3. key mainnet DApps (inc. top ten by TVL) confirming they have upgraded to 1.35.3 on PreProduction and on Mainnet

Note: You can follow the % of mainnet blocks being created by the final Vasil node candidate in this epoch from: pooltool.io/networkhealth

Acknowledgments

Thanks to all the Cardano Community for the continued support. We’ll continue to bring you updates over the next few weeks as things progress.

And in case you’re looking for a deeper dive into the Vasil upgrade, check out the latest mid-month dev update with @IOHK_Tim B. Harrison, @KevinH Standrews and & Nigel for more details:

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Every Friday, we - IOG Dev Team - publish our weekly Cardano development update. So for the lowdown on what IOG’s dev team has been working on last week, head on over and take a look:

Weekly development report as of 2022-08-26

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Want to keep track of Vasil development update progress? There’s a now a page for that. We - IOG Dev Team - will keep it updated regularly as we get ever closer:

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I’ve been watching Cardano PoolTool. SPO adoption of node 1.35.3 has been stuck at 69% for hours. I hope this has something to do with exchanges, or some minor bug fix.