#mozilla

Mozilla and Firefox: browser releases, security work, and foundation decisions.

Related: #ai-security · 1 #anthropic · 1 #claude-mythos · 1 #firefox · 1 #project-glasswing · 1 #security · 1

Mozilla Firefox 150 security announcement cover graphic

Mozilla fixed 271 Firefox bugs that Claude Mythos found. Its own tests caught 22.

Firefox 150 shipped Monday with 271 security fixes from Anthropic's Project Glasswing. Mozilla CTO Bobby Holley says Mythos matches elite human researchers.