Other highlights: JavaScript Engine got major improvements (e.g. RegExp; Scope handling) SubtleCrypto — full Web Crypto API implementation Java module system — module-info.java added WebSocket improvements Neko HTML Parser git a bunch of fixes Web Speech API support Firefox 150 & Chrome/Edge 148
More details in the blog post: https://htmlunit.github.io/htmlunit-blog/2026/05/24/release-...