as far as i can tell the change was intended to be backwards incompatible (it was listed as such under "breaking changes" for the v4 release
https://github.com/medplum/medplum/releases/tag/v4.0.0), so it's not clear to me that there's a bug that needs to be fixed. My question is more if there's a way that customers using the cloud-hosted medplum can either 1. validate their application code against the next version of medplum using the cloud-hosted platform or 2. decide what time they want to opt in to the next medplum version to provide for sufficient time to test. If the answer is we need to have a self-hosted deployment available just for testing against the next release that is fine, but i just want to verify there isn't another option available