Hello! Welcome to another episode of the SpiderMonkey Newsletter. I’m your host, Matthew Gaudet.

In September, machine learning engineers at Mozilla filed a bug report indicating that Firefox was consuming excessive memory and CPU resources while running Microsoft’s ONNX Runtime (a machine learning library) compiled to WebAssembly.

Hello everyone!

Hello Everyone,

Hello and welcome to our newest newsletter. As the northern hemisphere warms and the southern hemisphere cools, we write to talk about what’s happened in the world of SpiderMonkey in the Firefox 126-127 timeline.

Hello and Welcome to the SpiderMonkey Newsletter for Firefox 124-125. It’s Matthew Gaudet back again. This newsletter is a way in which we can share what we have been working on as a team, and highlight some interesting changes when they happen.

Hello everyone!

SpiderMonkey is the JavaScript engine used in Mozilla Firefox. This newsletter gives an overview of the JavaScript and WebAssembly work we’ve done as part of the Firefox 118 to 121 Nightly release cycles.

I recently presented on SpiderMonkey and Byte-Sized Architectures at a JSConf.jp/TC39 collaborative meeting the evening before the TC39 plenary in Tokyo. The first part of the presentation is a high-level view of the overall architecture of SpiderMonkey, and gives an idea of how a modern JavaScript engine is put together. In the second part, I talk about bytesize architectures a way for teams to build a shared understanding of complicated systems.

SpiderMonkey is the JavaScript engine used in Mozilla Firefox. This newsletter gives an overview of the JavaScript and WebAssembly work we’ve done as part of the Firefox 116 and 117 Nightly release cycles.