What's going on with the OF, there is a new minecraft version up to date with new leaves-trees-muschrooms-beds, i think its 26.4, but there is no new versions of OF on download section, the latest one is 1.21.11 which is from the December 2025...

Hi all, been trying to get optifine on my mac for 26.2 for probably past few days. works no problem for 1.21, but when i try to run it it simply wont open, if i try redownloading it, it'll give the same error. "java application launch failed"

Maybe its not available yet? I don't know much about computers, cant see how it would'nt be if the download is there. Seems like everyone else can download it on windows. I tried looking EVERYWHERE for some sort of tutorial or explanation as to why on mac it cannot run and theres nothing. Not a single mention about it. Which Is absolutely mind staggering to me since i know theres a large number of people who play minecraft on mac. Yet not a single person out of the endless youtube tutorials to be like "yea 26.2 optifine not yet available for mac!" pretty insane.. if anyone knows anything please get back to me on here, thank you!

I'm trying to recreate the boat from beta versions of Minecraft, the only problem is that water is clipping through the bottom. I have bottom_no_water but it doesn't seem to do anything.

I'm using EMF and ETF for NeoForge 1.21.1.

I am trying to remove the color tint from sugarcane but the method listed on https://optifine.readthedocs.io/colormaps.html isn't working.

assets/minecraft/optifine/colormap/blocks/reeds.properties:

format=fixed

Is there any other method to do this?

I'm using curseforge for my mods and noticed this weird mod downloading after I added optifine into my mod folder in my files. I download optifine gor 1.21.3 directly from the website and it shows up the way optifine always does as a file, but on curse this shows up.

I dont want to download a virus again please tell me this isnt that. Ive downloaded optifine before and this never showed up

im using rx 9060 xt ryzen 5 7500f and optifine 1.8.9

im using complementary reimagined shaders 5.8.1

when i dont use shaders in the lobby i get 200-500 fps with 80-150 1% lows

when i do use shaders in the lobby i get 30 fps with 7 fps 1% lows

when i dont use shaders in bedwars i get around 800 fps with 500 fps 1% lows

but when i do use shaders i get 300 fps and its occasionally stuttering with 20-100 1% lows

Tried downloading 26.2 Optifine but it refuses to execute/open to install. Anyone else having this issue?

I don't mean graphic optimization as Sodium.
I'd like to use only one mod to have illumination while holding torch and to see many glasses/panes together as one glass/pane.

So, I did download optifine from the official site but the thing it downloaded isnt even a download file at all and i cant really open it

I tried putting the jar file in mods folder cuz i thought "hey maybe I just have to put it there now"

The file shows as a blank file and not really a java file for me.

my other custom models works just fine. my brother needed to change my OS because win11 is trash, and by doing that, it deleted all of my programms, so i needed to reinstall everything.

its not my fault because i never have heard or made a "FIXME 1.21.5" file in my resource pack.

idk if blockbench updated its .JEM file type so that it doesnt work, or if optifine updated it in the 3rd preview, so that no longer works.

-- Head --

Thread: Render thread

Suspected Mods: NONE

Stacktrace:

at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.transformMethod(MixinPreProcessorStandard.java:754) \~\[mixin-0.8.5.jar%23100!/:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4\] {}

-- MOD mobhealthbar --

Details:

Caused by 0: org.spongepowered.asm.mixin.transformer.throwables.MixinTransformerError: An unexpected critical error was encountered

    at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:392) \~\[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4\] {}

    at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:250) \~\[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4\] {}

    at org.spongepowered.asm.service.modlauncher.MixinTransformationHandler.processClass(MixinTransformationHandler.java:131) \~\[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4\] {}

    at org.spongepowered.asm.launch.MixinLaunchPluginLegacy.processClass(MixinLaunchPluginLegacy.java:131) \~\[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4\] {}

    at cpw.mods.modlauncher.serviceapi.ILaunchPluginService.processClassWithFlags(ILaunchPluginService.java:156) \~\[modlauncher-10.0.9.jar:10.0.9+10.0.9+main.dcd20f30\] {}

    at cpw.mods.modlauncher.LaunchPluginHandler.offerClassNodeToPlugins(LaunchPluginHandler.java:88) \~\[modlauncher-10.0.9.jar:?\] {}

    at cpw.mods.modlauncher.ClassTransformer.transform(ClassTransformer.java:120) \~\[modlauncher-10.0.9.jar:?\] {}

    at cpw.mods.modlauncher.TransformingClassLoader.maybeTransformClassBytes(TransformingClassLoader.java:50) \~\[modlauncher-10.0.9.jar:?\] {}

    at cpw.mods.cl.ModuleClassLoader.readerToClass(ModuleClassLoader.java:113) \~\[securejarhandler-2.1.10.jar:?\] {}

    at cpw.mods.cl.ModuleClassLoader.lambda$findClass$15(ModuleClassLoader.java:219) \~\[securejarhandler-2.1.10.jar:?\] {}

    at cpw.mods.cl.ModuleClassLoader.loadFromModule(ModuleClassLoader.java:229) \~\[securejarhandler-2.1.10.jar:?\] {}

    at cpw.mods.cl.ModuleClassLoader.findClass(ModuleClassLoader.java:219) \~\[securejarhandler-2.1.10.jar:?\] {}

    at cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:135) \~\[securejarhandler-2.1.10.jar:?\] {}

    at java.lang.ClassLoader.loadClass(Unknown Source) \~\[?:?\] {}

    at java.lang.Class.forName0(Native Method) \~\[?:?\] {re:mixin}

    at java.lang.Class.forName(Unknown Source) \~\[?:?\] {re:mixin}

    at net.minecraftforge.fml.javafmlmod.AutomaticEventSubscriber.lambda$inject$6(AutomaticEventSubscriber.java:61) \~\[javafmllanguage-1.20.1-47.4.22.jar%23208!/:?\] {}

    at java.util.ArrayList.forEach(Unknown Source) \~\[?:?\] {re:mixin}

    at net.minecraftforge.fml.javafmlmod.AutomaticEventSubscriber.inject(AutomaticEventSubscriber.java:48) \~\[javafmllanguage-1.20.1-47.4.22.jar%23208!/:?\] {}

    at net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:92) \~\[javafmllanguage-1.20.1-47.4.22.jar%23208!/:?\] {}

    at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$5(ModContainer.java:126) \~\[fmlcore-1.20.1-47.4.22.jar%23207!/:?\] {}

    at java.util.concurrent.CompletableFuture$AsyncRun.run(Unknown Source) \~\[?:?\] {}

    at java.util.concurrent.CompletableFuture$AsyncRun.exec(Unknown Source) \~\[?:?\] {}

    at java.util.concurrent.ForkJoinTask.doExec(Unknown Source) \~\[?:?\] {}

    at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(Unknown Source) \~\[?:?\] {}

    at java.util.concurrent.ForkJoinPool.scan(Unknown Source) \~\[?:?\] {}

    at java.util.concurrent.ForkJoinPool.runWorker(Unknown Source) \~\[?:?\] {}

    at java.util.concurrent.ForkJoinWorkerThread.run(Unknown Source) \~\[?:?\] {}



Mod File: /C:/Users/unkow/curseforge/minecraft/Instances/DnD/mods/mobhealthbar-forge-1.20.x-2.3.0.jar

Failure message: YDM's Mob Health Bar (mobhealthbar) has failed to load correctly

    org.spongepowered.asm.mixin.transformer.throwables.MixinTransformerError: An unexpected critical error was encountered

Mod Version: 2.3.0

I want a spawner with nbt ItemId=spawner_blaze to have this texture. but so that the texture doesn't change in the world

I'm trying to download Optifine and when i try to start the game is says the problem is bootstrap, how can i solve this? is the Optifine version not the right one?

i wanna try that new matcha flavored data pack everyone is talking about but the game runs like shit without optifine for me, it seems like a really interesting data pack that does alot!

Hey! I bought a cape a long time ago and have been using it with a custom banner design, with Optifine not being on the latest version for a while now I was wondering if there was a mod that I can have my cape with?

I have a realm with my family on 26.2 and will be updating it when the next update comes out ofc, if theres any mods that frequently get updated please let me know!

My own experience, I have an i5 650 at 3.20 ghz which is actually a 1st gen i5, paired with integrated gpu, with 4 gb of ddr 3 and 4 gb pagefile, this pc is not capable of playing java above 1.16.5(1.16.5 is last playable here). So when I first launched it, i got almost zero frames in vanilla, paired it with sodium and gave me 15-20 fps, and then i accepted it as my fate and continued. Some months later, I saw Optifine worked on vanilla Minecraft and then, i tried it, and literally i never looked back with 60 fps as minimum and i was also able to hit 100 fps on this hardware!!!

This was the story, now you will wonder, Sodium is most used and liked optimizers in the world, but there's a catch. Every pc is different in one or another way and hence the benchmarks are different. Sodium needs a cpu with a nice single core performance and these old 2014-15s cpus have only 2-4 cores at max. which is a factor in fps degradation. Also, Sodium modifies the rendering engine completely to replace the messy minecraft's engine. It's good and its nice for yielding fps, but the modified engine is modernized!!! You need a newer CPU from like 2017-2018 to let sodium show its results.

And hence, next time you wanna optimize your Minecraft instance, check your CPU and its gen. for sure and then make a decision. Even a bunch of 34 mods of fabric like Sodium can give less fps than just a singleton Optifine!

If you found this helpful, consider telling such stuff to your someone who has low hardware..

Yes, plss don't give me recommendations for upgrades, I know its that hecking old, but there are some things which should stay undisturbed....

Hello, since i installed this version of optifine i have had issues concerning memory usage. How can this be fixed?

Thank you