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Water Users not using Account Sharing when assigning RA accounts is now an error by default. When a Water User is an account host in a Resource assessment System, the Water User should be set up to use Account sharing. This rule is now fatal by default, however, like any assurance rule, it can be turned off if this is the desired configuration.
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Some results have changed between Source 4.5 and Source 4.7. Result changes are mostly around XXXXXXXXXXXweirs. The eWater development team maintains a detailed system to track when results vary between different version of Source. The details at the following link will help you work out why the results have changed, and any alterations you may need to make to your model configuration. Details of result changes: 4.7 Result Changes from 4.5