Findings
This plugin has a large codebase, including code concerned with Pro version features and legacy versions. It is therefore difficult to fully review, but no issues were found. There are a number of workarounds to handle Gutenberg editor features, so it is recommended to keep the plugin updated in case it is updated to reflect WordPress updates to editor functionality.
Ensure administrator access to modify roles and capabilities is managed (the plugin does protect against dashboard lockout and provide backup/restore options for configuration).
Reason for the 'Use with caution' result
The plugin has been given this recommendation at the tester's discretion:
The plugin appears safe to use from this basic review, but is rated use with caution due to the size and complexity of the code base.