I am wondering if anyone has come across this before.
A workflow was set up in environment 'Env A" which was exported from here and imported into another environment 'Env B' with associated forms etc.
We noticed that after this, the Task Form for edit had reverted back to the OOTB SharePoint form even though looking under "Edit Task Form" within the workflow it displays the correct Nintex form 'Env B'.
We found this article:
Looking at the 2 different environments we saw exactly was described within this article:
Env A properties SharePoint designer:
Env B properties:
Has anyone else come across this and how did you deal with it?
BTW: the link above with the solution worked