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Lucenx9 merged 3 commits into from
Aug 20, 2026
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release: forktty 0.2.0-alpha.21 #408

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363d943
release: forktty 0.2.0-alpha.21
Lucenx9 Aug 20, 2026
65e6158
fix: satisfy Rust 1.98 clippy gates
Lucenx9 Aug 20, 2026
9359c27
docs: fix Debian release filename
Lucenx9 Aug 20, 2026
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2 changes: 2 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -4,6 +4,8 @@ All notable changes to ForkTTY are documented here.

## [Unreleased]

## [0.2.0-alpha.21] - 2026-08-20

### Added
- The workspace sidebar can now be pinned beside terminal content from its
header or left in the existing overlay presentation. The choice persists
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12 changes: 6 additions & 6 deletions Cargo.lock
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2 changes: 1 addition & 1 deletion Cargo.toml
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Expand Up @@ -10,7 +10,7 @@ members = [
resolver = "2"

[workspace.package]
version = "0.2.0-alpha.20"
version = "0.2.0-alpha.21"
edition = "2021"
rust-version = "1.96"
license = "AGPL-3.0-only"
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26 changes: 13 additions & 13 deletions README.md
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Expand Up @@ -13,18 +13,18 @@ place work in dedicated git worktrees without tying the UI to one agent vendor.

[![License: AGPL-3.0](https://img.shields.io/badge/license-AGPL--3.0-blue.svg)](LICENSE)
[![Build](https://img.shields.io/github/actions/workflow/status/Lucenx9/forktty/ci.yml?branch=main)](https://github.com/Lucenx9/forktty/actions)
[![Release](https://img.shields.io/github/v/release/Lucenx9/forktty?include_prereleases)](https://github.com/Lucenx9/forktty/releases/tag/v0.2.0-alpha.20)
[![Release](https://img.shields.io/github/v/release/Lucenx9/forktty?include_prereleases)](https://github.com/Lucenx9/forktty/releases/tag/v0.2.0-alpha.21)
[![Rust](https://img.shields.io/badge/rust-1.96%2B-orange.svg)](https://rustup.rs/)
[![GTK4](https://img.shields.io/badge/GTK4%20%2B%20Ghostty-native-blue.svg)](docs/native-gtk-ghostty.md)

[Website](https://forktty.dev/) ·
[Docs](https://forktty.dev/docs) ·
[Agent context](https://forktty.dev/llms.txt) ·
[Download v0.2.0-alpha.20 AppImage](https://github.com/Lucenx9/forktty/releases/download/v0.2.0-alpha.20/forktty-0.2.0-alpha.20-x86_64.AppImage)
[Download v0.2.0-alpha.21 AppImage](https://github.com/Lucenx9/forktty/releases/download/v0.2.0-alpha.21/forktty-0.2.0-alpha.21-x86_64.AppImage)

</div>

> **Status**: Early alpha (v0.2.0-alpha.20). ForkTTY is Linux-only and the GTK/Ghostty runtime is now the primary implementation. The AppImage is the primary Linux download for this alpha; the Debian package remains available for Debian/Ubuntu users.
> **Status**: Early alpha (v0.2.0-alpha.21). ForkTTY is Linux-only and the GTK/Ghostty runtime is now the primary implementation. The AppImage is the primary Linux download for this alpha; the Debian package remains available for Debian/Ubuntu users.
Comment thread
Lucenx9 marked this conversation as resolved.

![ForkTTY workspace running several coding agents across split terminal panes](docs/assets/forktty-workspace.png)

Expand Down Expand Up @@ -55,12 +55,12 @@ the linked guides carry the detailed contracts.
## Install

The fastest paths are the prebuilt artifacts from the
[v0.2.0-alpha.20 release](https://github.com/Lucenx9/forktty/releases/tag/v0.2.0-alpha.20).
[v0.2.0-alpha.21 release](https://github.com/Lucenx9/forktty/releases/tag/v0.2.0-alpha.21).
Each release ships:

- `forktty-0.2.0-alpha.20-x86_64.AppImage` — recommended portable Linux package.
- `forktty-0.2.0-alpha.20-x86_64.AppImage.zsync` — AppImage delta-update metadata for external AppImage managers.
- `forktty_0.2.0.alpha.20_amd64.deb` — Debian/Ubuntu package.
- `forktty-0.2.0-alpha.21-x86_64.AppImage` — recommended portable Linux package.
- `forktty-0.2.0-alpha.21-x86_64.AppImage.zsync` — AppImage delta-update metadata for external AppImage managers.
- `forktty_0.2.0~alpha.21_amd64.deb` — Debian/Ubuntu package.
- `SHA256SUMS` — checksums for release artifacts.

After downloading, verify checksums:
Expand All @@ -72,8 +72,8 @@ sha256sum -c SHA256SUMS
### AppImage

```bash
chmod +x forktty-0.2.0-alpha.20-x86_64.AppImage
./forktty-0.2.0-alpha.20-x86_64.AppImage
chmod +x forktty-0.2.0-alpha.21-x86_64.AppImage
./forktty-0.2.0-alpha.21-x86_64.AppImage
```

The AppImage carries ForkTTY's private Ghostty libraries and a bundled
Expand All @@ -91,9 +91,9 @@ so external AppImage managers remain in control. If the UI renders incorrectly,
retry with the alternate GTK OpenGL renderer name:

```bash
GSK_RENDERER=gl ./forktty-0.2.0-alpha.20-x86_64.AppImage
GSK_RENDERER=gl ./forktty-0.2.0-alpha.21-x86_64.AppImage
# or
GSK_RENDERER=ngl ./forktty-0.2.0-alpha.20-x86_64.AppImage
GSK_RENDERER=ngl ./forktty-0.2.0-alpha.21-x86_64.AppImage
```

Use `GSK_RENDERER=cairo` only as a slower software-rendering fallback. More
Expand All @@ -106,9 +106,9 @@ Debian 12/Bookworm is below the package baseline because it does not provide
libadwaita 1.4+.

```bash
sudo apt install ./forktty_0.2.0.alpha.20_amd64.deb
sudo apt install ./forktty_0.2.0~alpha.21_amd64.deb
# or, if apt cannot read the file path directly:
sudo dpkg -i forktty_0.2.0.alpha.20_amd64.deb
sudo dpkg -i forktty_0.2.0~alpha.21_amd64.deb
sudo apt -f install
```

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6 changes: 3 additions & 3 deletions crates/forktty-terminal/src/spawn.rs
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Expand Up @@ -939,8 +939,8 @@ mod tests {
let mut unset_keys = Vec::new();
let mut set_keys = Vec::new();
let mut saw_set = false;
let mut options = helper_options.chunks_exact(2);
for option in &mut options {
let (options, remainder) = helper_options.as_chunks::<2>();
for option in options {
match option[0].as_str() {
"--unset" => {
assert!(!saw_set, "unsets must precede assignments");
Expand All @@ -953,7 +953,7 @@ mod tests {
other => panic!("unexpected AppImage helper option {other}"),
}
}
assert!(options.remainder().is_empty());
assert!(remainder.is_empty());
let mut sorted_unset_keys = unset_keys.clone();
sorted_unset_keys.sort();
assert_eq!(unset_keys, sorted_unset_keys);
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1 change: 0 additions & 1 deletion crates/forktty-ui-gtk/src/browser_pane.rs
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Expand Up @@ -4,7 +4,6 @@
use gtk4 as gtk;

use gtk::glib;
use gtk::prelude::*;
use webkit6::prelude::*;
use webkit6::WebView;

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2 changes: 1 addition & 1 deletion crates/forktty-ui-gtk/src/gtk_app/terminal_renderer.rs
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Expand Up @@ -1025,7 +1025,7 @@ fn cairo_argb32_from_rgba(rgba: &[u8], width: u32, height: u32) -> Option<Vec<u8
if out.try_reserve_exact(len).is_err() {
return None;
}
for pixel in rgba[..len].chunks_exact(4) {
for pixel in rgba[..len].as_chunks::<4>().0 {
let alpha = u16::from(pixel[3]);
let premultiply = |value: u8| ((u16::from(value) * alpha + 127) / 255) as u8;
out.extend_from_slice(&[
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1 change: 1 addition & 0 deletions packaging/linux/dev.forktty.forktty.metainfo.xml
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Expand Up @@ -18,6 +18,7 @@
<name>Lucenx9</name>
</developer>
<releases>
<release version="0.2.0-alpha.21" date="2026-08-20" type="development" />
<release version="0.2.0-alpha.20" date="2026-07-28" type="development" />
<release version="0.2.0-alpha.19" date="2026-07-18" type="development" />
<release version="0.2.0-alpha.18" date="2026-07-06" type="development" />
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