I've released the kobopatch v0.5.0 beta. The instructions for testing it out are in the GitHub release: https://github.com/geek1011/kobopatc...ses/tag/v0.5.0
This version now includes all the patches ported from the old format. It also includes a new shorthand version for the ReplaceBytes instruction and a new FindBaseAddressHex instruction. I've tested this with all the patches and compared the output.
I would like feedback and for people to test this out (just see if it patches correctly). You don't need to install it to your kobo. Just try it out (try disabling/enabling/changing some of the patches), and upload the log, your patch files, and the generated KoboRoot.tgz. You can also check the checksums against the same settings from the old patch32lsb if you know how.
If this works well, I may actually be almost ready to release it as stable.
I have also decided to add support (in the next version) for the old patch format and even possibly calling a external patcher for easier migration.