Claude Sonnet 5.5 Ships With Breaking API Changes, and Sonnet 4.5 Now Retires November 30

Claude Sonnet 5.5 shipped on September 28, 2026, and Anthropic says code written for Sonnet…

http://digitalmatters.me/artificial-intelligence-ai/claude-sonnet-5-5/

#Anthropic #Claude_Sonnet #Developer_Tools