Xcode Behaviors are BROKEN

Developer Tools & Services Xcode
HStriepe OP
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What possessed Apple developers to redesign the Behaviors UX? It is not as flexible, and at least Custom Behaviors do not work all the way through 26.2beta.

  • You cannot name or rename behaviors. It just keeps "New Behavior."
  • You cannot delete behaviors.
  • Running shell scripts does not work.

I gave up after that. Why was the Xcode 16 model changed and NOT TESTED!

Answered by RickMaddy in 866293022

Are your issues specific to Xcode 26.2?

All of my existing behaviors works just fine with Xcode 26.0 and 26.1.1. I also had no trouble creating new custom behaviors and changing their names. I also had no issue deleting those custom behaviors.

Though one note about editing a custom behavior's name. After entering the new name, you need to press the return key before clicking the Done button or the new name won't take. Perhaps that is the issue you are seeing.

But I have not tested with Xcode 26.2.

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RickMaddy OP
Accepted Answer

Are your issues specific to Xcode 26.2?

All of my existing behaviors works just fine with Xcode 26.0 and 26.1.1. I also had no trouble creating new custom behaviors and changing their names. I also had no issue deleting those custom behaviors.

Though one note about editing a custom behavior's name. After entering the new name, you need to press the return key before clicking the Done button or the new name won't take. Perhaps that is the issue you are seeing.

But I have not tested with Xcode 26.2.
HStriepe OP

Thank you. This was both 261 and 26.2beta. The naming issue was an error. I was able to get scripts to work. I still wish I had found a way to delete a behavior. But just reassigning it is good enough.