
Claude Code Binary Shrinks 45% in Next Release
The next version of Claude Code will be 45% smaller, improving startup time and reducing install footprint.

The next version of Claude Code will be 45% smaller, improving startup time and reducing install footprint.
The size reduction comes from improvements to JavaScriptCore's bytecode serialization format and Bun's bundler. Previously, pre-parsed bytecode was 9x larger than source; after several optimizations, it's now 2.6x, enabling Claude Code to start faster with a much smaller footprint.
The automatic SendFeedback tool in Claude Code is filing reports to Anthropic about bugs in users' own local infrastructure, including CLI parsing errors in code the model itself wrote moments earlier. An Anthropic team member asked for an example to investigate.
Running `/tui fullscreen` in the Claude Code CLI prevents the terminal from auto-scrolling down when you type, solving a common friction point for users who scroll up to reference earlier output.
A new cookbook shows how to connect a Claude Managed Agent to Vercel's Chat SDK, giving the agent access to a universal chat layer spanning multiple platforms.