Ghostty 1.4.0

Ghostty 1.4.0, released October 27, 2026, is a major update featuring significant performance and memory improvements, a complete Kitty graphics implementation with animation support, and SSH integration enhancements, representing 7 months of work from 172 contributors across 2,889 commits. The release addresses six critical security vulnerabilities affecting paste protection, malicious graphics commands, tmux control mode exploits, memory corruption, shell integration issues, and hyperlink handling, with fixes implemented across all platforms.