Appearance
Hidden/invisible (SGR 8)
ESC [ 8 mSGR 8 renders text invisible by setting the foreground color to match the background. The sequence is
ESC [ 8 m. The text is still present and selectable — it is hidden visually but not removed from the terminal buffer. Reset with SGR 28.How this is tested: Send
\x1b[8mX, verify hidden=true on the cell.Analysis2026-03-26
Supported by all 8 tested terminals — universal adoption. Part of the Core TUI baseline.
Supported by 11 of 13 backends (85%)
Terminal Applications
| Terminal | Version | Support | Notes |
|---|---|---|---|
| iTerm2 | 3.6.9 | ✓ yes | |
| Ghostty | 1.3.1 | ✓ yes | |
| VS Code | 1.112.0 | ✓ yes | |
| Warp | 0.2026.03.18.08.24.03 | ✓ yes | |
| Cursor | 2.6.21 | ✓ yes | |
| tmux | 3.6a | ✓ yes | |
| Kitty | 0.46.2 | ✓ yes | Not exposed via Python batch bridge |
| Terminal.app | 2.15 | ✓ yes | |
| GNU Screen | 5.0.1 | ✓ yes |
Headless Backends
Parser correctness only — a ✓ means the parser accepts the sequence.
| Backend | Version | Support | Notes |
|---|---|---|---|
| vt100 | 0.2.1 | ✓ yes | Not implemented — pure TypeScript emulator |
| vterm | 0.2.0 | ✓ yes | |
| Alacritty | 0.26.0 | ~ partial | Not exposed via alacritty_terminal API |
| WezTerm | 0.1.0-fork.5 | ~ partial | Not exposed via wezterm-term API |