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Iris Release v3.0.1 Is Here (Patch Release)

We’re pleased to announce that a new RSK Iris release has been published in our Github repo. This is a patch release that fixes a bug in how data is retrieved when using eth_getLogs JSON-RPC method. This is a non-mandatory upgrade, however we encourage users to upgrade to this version if they are running nodes used to retrieve blockchain event logs.

How do I upgrade to version 3.0.1?

There are no special considerations for upgrading to this version. Users need to download and update their RSKj node and no other task is required.

What changes are included in Iris v3.0.1?

These are the changes included in this version:

  • Fix data retrieval for eth_getLogs method (#1605)
  • Ignore ‘type’ argument in JSON-RPC calls (#1606).

RSKj Iris 3.0.1’s sha256 sum is a6223f3a9d289f1d5a4ab535b5e748f43b5829ab6274050b93f86d2c77223683 rskj-core-3.0.1-PAPYRUS-all.jar. See Reproducible Build guide for further details.

How do I report problems with this version?

It’s really important for us to know any problem you may have while running Iris 3.0.1. Please reach out on RSK Open Slack or directly through creating issues in RSK Github repository.

How do I report security vulnerabilities?

If you find a security issue, please contact us at, or report it through our bug bounty program. We reward security experts, software developers and hackers who dedicate time and effort to improve and protect the RSK platform.

Do you have further questions?

Please contact us through our RSK Open Slack for technical questions and support.

You can also reach out with any feedback you would like to share with us through our social media channels and forums:





If you are new to RSK, you may want to check RSK Developers Portal to find out how to start building on the RSK platform.