Firefox 151 Released: Tab Overhaul and Stronger Fingerprinting Protection

Mozilla has released Firefox 151 with a refreshed home screen, instant deletion for private sessions, stronger fingerprinting protection, and security fixes.

The update also adds PDF merging, expanded profile backups, country selection in the built-in VPN, and improved mobile AI controls.

Firefox 151 brings new developer features and platform-specific improvements across iOS, Android, macOS, Windows, and Linux.

Overall, the release focuses on better usability, stronger privacy protections, and higher productivity for everyday browser use.