'dnf history' does not work as non-root, not even for read-only history queries. I understand that on many systems it may be a policy decision not to allow non-root to view the history of package updates, and this bug is not necessarily a request to change that default. And yet, the underlying rpm database is available for read-only access to ordinary users; and requiring a read-only report of package changes to run as root ends up expanding the number of things that require root access, which may end up weakening rather than strengthening security. Please add a documented way to allow read-only history operations ('dnf history list', 'dnf history info') to be run by non-root users.
It's a valid point.
This package has changed ownership in the Fedora Package Database. Reassigning to the new owner of this component.
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There might be security issues when it's readable by user. History used to be readable in yum but security team requested to change that.