Project URL: https://github.com/aruiz/webp-pixbuf-loader
The package is ported from Fedora-36. After installing the package webp-pixbuf-loader, images in the *.webp format can be opened, for example, in viewnior.
Assembly and testing took place in Mageia-9.
Note: The package is already present in the Mageia-9 and higher repositories.