[ANNOUNCE] koshi: a GTK4 client for reading and replying to lore.kernel.org lists

Hi all,

I'd like to announce koshi, a native GTK4 + libadwaita application for
browsing, searching, and replying to the mailing lists archived on
lore.kernel.org.

  https://github.com/nikableh/koshi

lore has excellent archives and git send-email is great for sending, but
I couldn't find a graphical client built around the lore/public-inbox
model that brings the two together. Koshi reads lore directly and,
instead of fighting your email client over formatting, simply invokes
git send-email.

Features
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- Follow a thread and receive notifications without subscribing to the
  whole list.

- Replying and sending goes through git send-email. Your git config and
  credential helpers work unchanged. Koshi has no SMTP path of its own
  and never rewrites message bodies.

- Composition is plain text only. There is no HTML mode.

- Color highlighting for diffs and quotes.

- Rust, GPL-3.0-only. Distributed as a GPG-signed Flatpak; you can
  verify build provenance with gh attestation. Plain cargo and nix
  builds are also available.

Current status
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v0.3.0. All of the fundamental features are working, with many quality
of life things already planned:

  https://github.com/users/nikableh/projects/11

Installation
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  flatpak remote-add --if-not-exists koshi https://dl.nikableh.moe/koshi.fl=
atpakrepo
  flatpak install koshi moe.nikableh.Koshi

I'm sending this message from koshi itself. If anything about the
headers or formatting looks off, that's a bug; please tell me.

Feedback and questions are welcome.

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Nika Krasnova