SwanSong Shaders

The mod serves as a standalone stand-in for ShadersMod, with initial support centered on shaderpacks that already work on 1.7.10. Its design aims at compatibility with modpacks, both older and newer, and the initial release was tested against shaderpacks from the same era. Shaders mod features are covered through the Right Proper Lighting Engine, which handles lighting for the shader pipeline.

The author reports that the mod works alongside many client-side optimization and graphics mods, though some incompatibilities are expected. It is not a backport of Iris and is not a direct descendant of the GLSL Shaders mod, although it draws on the same implementation approach those mods pioneered. The mod also includes a few extras: threaded screenshots, an OptiFine-like zoom, and a faster font rendering module.

The mod requires FalsePatternLib and UniMixins, and it works with Beddium, Colored Lights (RPLE), FalseTweaks and Right Proper MCPatcher when those are present. Players add it to their own game, and a server needs no copy. It is released under the Open Software License 3.0 and is open source; the source code and issue tracker are public. Forge files exist for 1.7.10 only, and the latest file, 1.3.7, was published on 2026-10-02.