I haven't seen any discussions on this release note from NetSuite last week. These first two updates have the potential to break a lot of things. Just searching my repos, it looks like the Avalara package uses the

url.resolveScript

with returnExternalUrl quite a bit. And July 30th will be here very soon. https://docs.oracle.com/en/cloud/saas/netsuite/ns-online-help/section_N3949604.html#subsect_77172506204