Zephyr Starlight is an experimental real-time path traced shaderpack for Minecraft. It brings advanced lighting and visual effects, creating a more realistic and dynamic world for players to explore.

Features:

  • Accurate ray-geometry intersection.
  • Path traced diffuse, reflections, and sun shadows.
  • Temporal anti-aliasing and upsampling.
  • Supports normal and specular mapping.
  • Physically based sky rendering.

Screenshots:

Zephyr Starlight Shader Pack Download Links

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For Minecraft 1.21.x
Includes 1.21.11
Zephyr-Starlight-Shader-Pack-1.21.11.zip Iris 4 MB Apr 8, 2026