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Modern terminal extensions beyond the traditional VT specification: Kitty keyboard protocol, Kitty graphics protocol, sixel inline images, OSC 8 hyperlinks, text reflow on resize, and semantic prompt markers (OSC 133). These features represent the cutting edge of terminal capability and vary widely in adoption across terminals.
8 features in this category
Support Matrix
| Feature | Ghostty | WezTerm | Alacritty | vt100 | xterm.js | Kitty |
|---|---|---|---|---|---|---|
| Kitty graphics protocol | ✓ | ✗ | ✗ | ✗ | ✗ | ✓ |
| Kitty keyboard protocol | ✓ | ✓ | ✓ | ✗ | ✗ | ✓ |
| Window title (OSC 2) | ✗ | ✓ | ✓ | ✓ | ✓ | ✗ |
| Hyperlinks (OSC 8) | ✓ | ✓ | ✓ | ✗ | ✓ | ✓ |
| Text reflow on resize | ✓ | ✓ | ✓ | ✗ | ✓ | ✓ |
| Semantic prompts (OSC 133) | ✓ | ✓ | ✗ | ✗ | ✗ | ✗ |
| Sixel graphics | ✗ | ✓ | ✗ | ✗ | ✗ | ✗ |
| 24-bit truecolor | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |