My idea would be the ability to temporarily turn off a mod element so when you test out the mod in mcreator you don't have to delete a mod element if it is not working right and blocking minecraft from starting and you need to test something else out so being able to have a button in the same area as the button to add a new mod element to turn off the current mod element would be really nice.
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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.