Yesterday prolific XDA developer topjohnwu released a new stable version of Magisk (v13.1) which includes all the changes from the beta release v13, like Android O support and a new SafetyNet workaround. With the latest update, you can go back to using the more advanced features of Magisk, while still hiding root.
[Update: Bugfix v13.2] Magisk v13.1 released to stable with SafetyNet fixes and Android O support was written by the awesome team at Android Police.