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Kitty graphics: animation
The animation frame action (
a=f) adds animation frames to a previously transmitted image. Supports frame composition modes (overwrite, blend), per-frame timing, and looping. Not all terminals that support kitty graphics support animation.How this is tested: Transmit a base image, then add an animation frame with
a=f. Check response for success (not EINVAL).Analysis2026-03-29
Supported by 10 of 18 backends (56%)
Terminal Applications
| Terminal | Version | Support | Notes |
|---|---|---|---|
| cmux | ✓ yes | ||
| Ghostty | 1.3.1 | ✓ yes | |
| Kitty | 0.46.2 | ✓ yes | |
| VS Code | 1.113.0 | ✓ yes | |
| Warp | 0.2026.03.18.08.24.03 | ✓ yes | |
| Cursor | 2.6.21 | ✓ yes | |
| Terminal.app | 2.15 | ✓ yes | |
| iTerm2 | 3.6.9 | ✗ no | No animation frame response |
Headless Backends
Parser correctness only — a ✓ means the parser accepts the sequence.
| Backend | Version | Support | Notes |
|---|---|---|---|
| vterm | 0.2.0 | ✓ yes | |
| Alacritty | 0.26.0 | ✗ no | Kitty graphics not implemented in alacritty |
| vt100.js | 0.2.1 | ✗ no | Not implemented — pure TypeScript emulator |
| WezTerm | 0.1.0-fork.5 | ✗ no | Kitty graphics not implemented in wezterm-term crate |
| xterm.js | 5.5.0 | ? unknown | Kitty graphics protocol not implemented in xterm.js |
| xterm.js | 6.0.0 | ? unknown | Kitty graphics protocol not implemented in xterm.js |
| xterm.js | 5.4.0 | ? unknown | Kitty graphics protocol not implemented in xterm.js |
| xterm.js | 6.1.0-beta.195 | ? unknown | Kitty graphics protocol not implemented in xterm.js |