In Maya 2023, Autodesk introduced an undocumented breaking change in maya.cmds.editorTemplate() for the callCustom flag. The order the arguments must be passed in has been flipped. Without this fix, the pymel.core.uitypes.AETemplate.callCustom() method will do nothing and thus breaking AETemplates that depends on it.
In Maya 2023, Autodesk introduced an undocumented breaking change in
maya.cmds.editorTemplate()for thecallCustomflag. The order the arguments must be passed in has been flipped. Without this fix, thepymel.core.uitypes.AETemplate.callCustom()method will do nothing and thus breaking AETemplates that depends on it.