Does the retirement of Salesforce Platform API Versions 21.0 thru 30.0 affect the Nintex DocGen product?
At this time there are one or two Apex classes on the mentioned APIs. There are not many customers using the classes that will be affected. But, our team has plans to resolve this prior to Salesforce retiring the API versions.
SALESFORCE KNOWLEDGE ARTICLE: https://help.salesforce.com/articleView?id=000354473&language=en_US&mode=1&type=1