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Arrowhead 6.1.0 Release: What You Need to Know

Published on: 15 April, 2024

The Rootstock community is pleased to announce the release of the latest version of the RSKj client, now available in the RSKj GitHub repository. This update brings enhancements to the client’s JSON-RPC API, with the addition of the rsk_getStorageBytesAt and eth_pendingTransactions methods, improved gas price calculator, and general JSON-RPC bug fixes.

While this upgrade is optional, we strongly encourage users to update their nodes to the most recent version for an enhanced experience and to benefit from the latest improvements.

What changes are included in RSK Arrowhead 6.1.0?

A non-comprehensive list of changes included in this version is:

  • Added new rsk_getStorageBytesAt method in #2191.
  • Added new eth_getPendingTransactions method in #2227.
  • Weighted percentile for gas price calculations in #2215.
  • Configurable gas price buffer for gas price calculations in #2220.
  • JSON-RPC general bug fixes in #2229, #2243, and #2278.

You can find a complete list of the changes introduced in the corresponding GitHub milestone.

How do I upgrade to version 6.1.0?

There are no special considerations for upgrading to this version. Users are simply required to download and update their RSKj node; no additional tasks are necessary.

RSKj Arrowhead 6.1.0’s sha256 sum is 7c3973d1a062235d8cc4de7e9010000cdcaada103ac0b2162bf813b4b29629b6 rskj-core-6.1.0-ARROWHEAD-all.jar. See the reproducible builds guide for further details.

How do I report problems with this version?

It’s essential for us to know any problem you may have while running Arrowhead 6.1.0. Please reach out on the Rootstock Discord Server or by creating issues in the RSK GitHub repository.

How do I report security vulnerabilities?

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

Do you have further questions?

Please contact us through our Rootstock Discord Server 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

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