New Error: Listing, creating, updating, and deleting products is no longer supported via REST

We updated our app to use REST API version 2024-04 recently on 3/15/2024 and all was working well.

Then suddenly on 3/22/2024, it started producing an error:

 {"error":"Listing, creating, updating, and deleting products is no longer supported via REST. Please see: https:\/\/shopify.dev\/docs\/api\/admin\/migrate\/new-product-model"}

Upon going to that link provided, it states that the product rest api endpoint has been deprecated, but

the 2024-04 REST API Reference still has the Product endpoint with no mention of it being deprecated. Nor does the change log.

Why did this feature suddenly change and is it on purpose or was this change not supposed to happen until a future release?