At its core, the message means: Your version of libvpx is missing critical bug fixes, security patches, and performance optimizations.

: Specify what you are moving from and to (e.g., v1.13.0 → v1.14.1).

: Package managers (like Dependabot) flag that a project is using an outdated version.

The fix is not just apt upgrade . Because of ABI sensitivity, you must rebuild dependencies.