Overview
- The new Link Preview shows a page snapshot with an optional locally generated bullet summary, rolling out first to English locales and requiring at least 3 GB of RAM.
- Extension developers gain support for the wllama API, enabling large language model capabilities directly inside Firefox add-ons.
- Mozilla’s advisory for Firefox 142 lists at least nine fixed flaws, including high‑risk CVEs that enabled a DRM component sandbox escape (CVE-2025-9179) and a Canvas2D same‑origin policy bypass (CVE-2025-9180).
- Administrators can now centrally control whether users may share their browser screen and can lock tracking and fingerprinting protections so users cannot override them.
- A curated recommendations feed on the New Tab page begins a staged rollout in the United States to replace Pocket’s retired service.