Flatpak is an open-source, cross-platform system for building, distributing, and running sandboxed desktop applications on Linux. It enables developers to create applications that work consistently across different Linux distributions, ensuring compatibility and easier deployment.

Features of Flatpak:

• Flatpak provides a universal packaging format, allowing applications to run seamlessly across various Linux distributions.
• It ensures sandboxing for applications, improving security by isolating them from the rest of the system.
• Flatpak integrates with the desktop environment, providing a consistent user experience across distributions.
• It supports automatic updates for applications, ensuring users always have the latest version.
• Flatpak enables developers to package applications with all their dependencies, simplifying installation and reducing compatibility issues.

To check the version, run:

 flatpak --version 

Disclaimer: Flatpak® is an open-source project under the LGPL License. It is not affiliated with, endorsed by, or sponsored by any specific Linux distribution. Flatpak is provided "as is," without any warranty, express or implied. Users are responsible for understanding and complying with licensing terms and regulations while using Flatpak.