This means there are some shaders that might not work fully. The thing to note here is that Iris is still in development. Metrics that I've seen on Iris's Discord show quadrupling of frames going from OptiFine to Iris+Sodium. Iris has great support, and depends upon Sodium for optimal performance. If you use OptiFine for the shaders, you should use Iris. You might also want to follow my guide to maximizing performance on Quilt, which can be found here. These mods give more FPS than OptiFine in almost every use case (and even just Sodium alone does absolute wonders). If you use OptiFine for the performance benefits, you should use Sodium, Lithium, Starlight, FerriteCore, Entit圜ulling, and LazyDFU. I use OptiFine for the performance benefits. That's what this serves as: a migration guide from OptiFine to alternative free & open source mods.įirst, let's go over some of the main use cases of OptiFine, and their replacements. However, by far the most striking thing about OptiFine is the fact that better alternatives exist. Thus, free software is a matter of liberty, not price. To quote the Free Software Foundation:įree Software means that the users have the freedom to run, edit, contribute to, and share the software.

If someone wants a feature or bug fix, with Free software, they can just fix it in the code themselves, if they so desired. Closed source applications have far less opportunity for growth and collaboration than Free & open source projects do. It is not Free Software, and it is closed source.Even for the one that hadn't yet updated, someone had ported it themselves within under a day. When I first wrote this, OptiFine was not yet updated to 1.17, while almost all of the mods I provide as alternatives were updated to 1.17. Its support on Fabric/Quilt even isolated by itself is spotty. A large portion of Fabric/Quilt mods are incompatible with OptiFine. You don't have precise control over what features you do and don't get. Some of the major issues of OptiFine include: However, OptiFine since 1.16 does not meet its former glory. It offers some performance benefits, shaders, dynamic lights, zoom, and about a million other things in one neat package. OptiFine was one of the best mods, if not the best mod, in Minecraft versions 1.6 through 1.15. This exact same guide is also available on the QuiltMC forums: Why you shouldn't use OptiFine - Off-Topic / Minecraft

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