We have had our general donation form, that uses the Donation Form part, configured with Google Tag Manager for several years. After upgrading from CRM SP23 to SP26 we started encountering a long 2+ minute delay instead of the usual 7 seconds between the processing of the user credit card and the viewing of the Custom Confirmation thank you. After creating a barebones page with only a donation form on it, we traced this problem specifically down to the AdRoll process configured within Google Tag Manager. Blackbaud Support suggested I post here to see if anyone else uses AdRoll, have any suggestions, or has encountered this issue. Anyone?