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l0ng-ai
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Two things the shared-probe work left on the render path. The overlay asks six whole-snapshot questions while building its element tree — oversized, totals, retained lines, budget fired, per-file cap fired, untracked count — and each accessor walked `files` on its own, `oversized` walking the hunks too. `files` is deliberately uncapped (only hunks are), so that was six walks over a list whose length is the size of the working tree, on the UI thread, on exactly the tree this module exists to keep responsive. `DiffSnapshot::stats` answers all six in one pass and the per-question accessors are gone, so nothing can drift from it. Computed rather than stored, because the snapshot is built by hand with `..Default::default()` throughout the tests and a cached count would read as zero for every one of them. Deduping probes per repository is what makes one `git diff` answer every watcher, but a probe describes the tree as it was when it *started*. A refresh triggered after that — a command finished, an agent turn ended — folded into the running probe and was answered with a snapshot already known to be stale, with nothing left to trigger another look: the overlay's own re-check is gated on `loading`, which the landing clears, and the `GitStatusCache` change that would have re-armed it has been spent. A folded-in request is now remembered and re-issued when that probe lands. It converges rather than loops, because a quiet tree never sets the flag.
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