Not all shaders work perfectly on 1.14.4. Because the shader pipeline was less mature, you should stick with:
In conclusion, Iris 1.14.4 is more than just a version number; it represents a shift toward a more efficient, open, and visually stunning Minecraft experience. By marrying the power of the Sodium engine with the aesthetic potential of shaders, it successfully broke the barriers of traditional performance limits. The legacy of Iris 1.14.4 continues to be felt in subsequent versions of the mod, as it laid the essential groundwork for the near-perfect optimization and breathtaking visuals that Minecraft players enjoy today. iris 1.14.4