Release / 24 Mar 2025

hyprsunset v0.2.0

Change temperature and gamma while hyprsunset runs, from scripts or keybindings, without restarting it.

All of hyprsunset

Before you upgrade to v0.2.0

1 to fix

Upgrade Hyprland to 0.48.0 or newer before upgrading to hyprsunset v0.2.0.

Action requiredAffects: Users on Hyprland older than 0.48.0

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hyprwm/hyprsunset/releases/tag/v0.2.0

A second hyprsunset no longer starts while one is running.

Behavior changedShift the color temperature of all screens to a warmer tone to reduce blue light.

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What changed in v0.2.0

New -g/--gamma (default 100%) and --gamma_max (up to 200%). An IPC socket in the Hyprland runtime directory accepts temperature, gamma and identity commands, with +N or -N for relative steps. Only one instance can run at a time, and a systemd user service ships with it.

v0.2.0; needs Hyprland 0.48.0 or newer.

New things you can do

-g <percent> and --gamma_max <percent>.

AddedDim or brighten the picture on all screens by setting display gamma.

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Commands temperature, gamma and identity, with +N/-N for relative changes.

AddedChange temperature, gamma or identity of a running hyprsunset through its IPC socket.

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A systemd user unit ships with the project.

AddedStart hyprsunset with your session through a systemd user service.

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Seeded by @iluxav with Claude Code (canido), from the release's public sources. Each change links to its evidence.