Mozilla has confirmed it intends to ship JPEG XL (opens in a new tab) in Firefox, adding a next-generation image format that promises better compression and features than JPEG, GIF, PNG, and WebP. In other news, Cloudflare (opens in a new tab) migrated its own blog to EmDash to stress-test performance at scale, while OpenAI (opens in a new tab) introduced GPT-5.6 in Kiro with improved price-performance for developers. Stack Overflow (opens in a new tab) urged organisations to embed responsible AI adoption into developer workflows rather than relying on policy documents.