Claude Code 2.0.0
https://www.npmjs.com/package/@anthropic-ai/claude-code
Redesigned UI. Ctrl-R to search history. Tab to switch thinking modes (persists between sessions). /usage command to view plan limits. /rewind command to revert code changes - native checkpoints finally.

Added a native VS Code extension. Claude Code SDK is now called Claude Agent SDK and allows others to create their own intelligent "agents" based on this technology.

Claude Sonnet 4.5
https://www.anthropic.com/news/claude-sonnet-4-5
They claim it's the best model for programming today. Safety is specifically emphasized: the model has become "more obedient" and less prone to errors or harmful actions. Importantly, this new, more powerful version is already available to everyone at the same price as the previous one.

#claudecode #newllmmodel