Hi @bongtrop Thanks for the nice tool. I have been working on updating few things here : https://github.com/cyfinoid/hbctool I see 84,85 support got merged recently hence cant open a clear pull request. Following changes are available in my branch if you want to cherrypick 1. Version support added 84 (via niosega), 85,89,83 2. Test cases are now running some fixing was needed 3. Added a readme on how to add new versions. Feel free to pick and choose