While there is no single academic "white paper" specifically titled "ThumbsPlus WebP," the current status of WebP support in ThumbsPlus (developed by Cerious Software ) is that it is not natively supported
ThumbsPlus is designed to utilize the Windows Imaging Component (WIC). This means that if your operating system knows how to read a file, ThumbsPlus can usually "borrow" that capability. thumbsplus webp
This is the most common failure point. Windows has two separate codec registries: one for 32-bit applications and one for 64-bit applications. While there is no single academic "white paper"