MCreator issue tracker has been migrated to GitHub.
Existing tickets have been migrated to GitHub. Please open new tickets on the GitHub tracker instead. If you do not have a GitHub account, all feature requests and bug reports from forums are still considered and checked by the maintainers.
You can change vanilla recipes by adding a new one in the vanilla namespace (Namespace: minecraft) and with the same name, similar goes with disabling it, just set the result to air.
Also, one feature per ticket, check the rules ;)