The Web Audio Modules (WAM) is a mature proposal for Web Audio Plugins. Started in 2015 this open source proposal evolved and reached version 2.0 in 2021 . This resource paper provides an overview of the evolution of the ecosystem surrounding the WAM standard. Since V2.0 publication WAM has been the subject of numerous publications, demonstrations, and presentations at various conferences such as the Audio Developer Conference, Sound and Music Computing, Internet of Sounds, and The Web Conference, to name a few. As a direct consequence, there is now a large set of WAM-format plugins and hosts, along with new online tutorials and tools that facilitate plugin development (online IDEs, etc.), the vast majority being open source. An initiative called Wam Community has also emerged to simplify the sharing of effects and instruments in the WAM format, accompanied by an API and online tools. New WAM hosts have been introduced, including two Digital Audio Workstations (DAWs), collaborative WAM hosts applications for music creation, and compatible visual programming languages. Furthermore, the WAM format supports extensions and this article presents some of the available ones for handling video, 3D, WebGL shaders, and parameter modulation between WAMs, among other functionalities.