While v8 is without a doubt a very impactful project, there are JS runtimes that prioritize speed, and they aren't v8-based. One example is Bun, which is I thin

While v8 is without a doubt a very impactful project, there are JS runtimes that prioritize speed, and they aren't v8-based. One example is Bun, which is I think based on JavaScriptCore, the Safari's JS implementation. So I don't think it's attributable to Google's implementation.