Claude Mythos, other AIs help fix more Firefox bugs in April than in past 15 months

Claude Mythos and other AI models helped the team at Mozilla Firefox fix more bugs in April than they had in the past 15 months, as per a blog post by the company. Of the total 423 bugs fixed, 271 were identified by Claude Mythos Preview in the 150 release, with 180 of these being high-severity issues, it added.