And now, after playing around, deleting the cache, none of them works, also for the Administrator. I found this topic here: 3.0.3: form customization doesn't work after upgrade. But not sure if this is still valid.
And now, after playing around, deleting the cache, none of them works, also for the Administrator. I found this topic here: 3.0.3: form customization doesn't work after upgrade. But not sure if this is still valid.