JetBrains IDEs Swap Their Built-In Terminal to libghostty in 2026.3: Shift+Enter, Modifier Keys and Theme Sync Now Work for Claude Code and Codex
Starting with 2026.3, JetBrains IDEs use libghostty instead of JediTerm for terminal emulation. Agent CLIs get the Kitty keyboard protocol, theme notifications and almost 50 newly handled control sequences. Here is what changes and how to check it.