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thomasandClaude Opus 5
063e4a5064
Two follow-ups to #229. Underlines ride on the `TextRun` that `paint_glyphs` builds, and the Solo arm returned early for every natively-drawn cell — so an `ESC[4m` span or a hovered URL showed a one-column hole wherever it crossed a box-drawing character. The mechanism predates #229 (the Powerline branch has always had it), but #229 widened it from a dozen private-use separators to all 256 characters of U+2500–U+259F. Such a cell now shapes a space in its own style instead of returning, so gpui draws the line from the same `UnderlineStyle` — curly and double included — that every other cell uses. Stroke weight varied between cells at fractional device scale. `rectb` snaps a rect's two edges independently, which is what makes neighbouring cells tile, but two edges `w` apart land `w × scale` device pixels apart: when that is not a whole number the two roundings straddle it, so a 1-logical-pixel rule came out 1 device pixel wide in one column and 2 in the next. At Windows' default 125%/150% scaling that alternated thin/thick across every column of a TUI table, and down every row for horizontal rules. Integer scales are blind to it by construction, which is why 1x and 2x looked right. `light_thickness` now quantises to whole device pixels, and `vstroke` / `hstroke` lay that width off from the snapped near edge rather than inferring it from a second snap — float ties at `.5` made the quantisation alone insufficient. Stroke ends still snap, so #229's tiling guarantee is untouched. Block elements stay on `rectb`: they are area fills, not strokes. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
tty7
A terminal workbench: shells, sessions, SSH, coding agents.
Pure Rust · GPU rendering on Zed's gpui · VT core from Alacritty
English · 简体中文
Why
- Fast — ~2× the throughput of Alacritty, Ghostty, or Kitty (benchmarks)
- Sessions persist — quit or reboot; your shells keep running, no tmux
- Editor-grade input — completion, syntax highlighting, history search built in; zero config for zsh, bash, fish, PowerShell
- Agent-aware — recognizes Claude Code & co. in a pane: status, notifications, session resume
Install
Native builds for each platform on Releases:
| macOS | …-macos-arm64.dmg · …-x86_64.dmg |
drag into Applications |
| Windows | …-setup.exe · portable ….zip |
|
| Linux | …-x86_64.AppImage |
chmod +x and run — x11/wayland libs bundled |
What's inside
| Input | ghost suggestions from history · explained tab completion · syntax highlighting · multi-line editing · click places the caret · ⌃ R fuzzy history |
| Window | tabs & splits · ⌘ P palette · ⌘ F scrollback search · nine themes · IME |
| Coding agents | per-pane agent detection (~17 CLIs): status dot, notifications, branch + diff, resume after reboot, tray icon that signals "needs your input" |
| SSH | native russh stack: profiles with keychain secrets, SFTP panel, port forwarding, jump hosts |
Details for every row: docs/features.md. Keybindings: ⌘ , opens Settings — browse and remap everything, tmux preset included (full list).
Benchmarks
Same machine, same day, same 155×40 grid — Apple M1 Pro, macOS 26.3.1, five-run averages (2026-07-04):
| tty7 | Alacritty | Ghostty | Kitty | |
|---|---|---|---|---|
Plaintext IO — 11 MB cat (lower = better) |
95 ms | 239 ms | 179 ms | 185 ms |
| DOOM-fire frame rate (higher = better) | 888 fps | 485 fps | 552 fps | 617 fps |
| Cold-launch memory | 116 MB¹ | 105 MB | 128 MB | 130 MB |
¹ GUI 105 MB + the persistent daemon 11 MB.
Methodology and one-command reproduction: scripts/bench/.
Built on gpui and alacritty_terminal · Apache-2.0 · Discord · Changelog