Hi Jon,
I found the web service call getting affected by this. Especially for Incidents the priority depends on Urgency and impact SO, we don't require to set priority in ws calls. but, with this change have to set the priority in WS calls.
without .mod file, default macro property is not working and Request priority has been set as 'NONE' even after making the record inactive in the priority table.
Thank you,
Venkat