Currently Librusek supports all versions beyond 1.0. All previous versions (v0.x) are deprecated and shouldn't be used.
Updating the app is important to keep it working with latest Librus API changes and/or features.
Starting from version 1.0, updates are handled automatically within the app.

To report a security issue, use any of the contact methods specified in the project's README.
Your report needs to include a description of the issue, the steps you took to create the issue, affected versions, and, if known, mitigations for the issue.
This project follows a 90 day disclosure timeline.