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OptiFine

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OptiFine 1.17.1 HD Ultra H1

  -  6.05 MB  -  Freeware
Free Download

Security Status

  • Latest Version

    OptiFine 1.20.1 HD Ultra I6

  • Operating System

    Windows XP / XP64 / Vista / Vista64 / Windows 7 / Windows 7 64 / Windows 8 / Windows 8 64 / Windows 10 / Windows 10 64

  • User Rating

    Click to vote

  • Author / Product

    OptiFine Team / External Link

  • Filename

    OptiFine_1.17.1_HD_U_H1.jar

  • MD5 Checksum

    ce4d0bc85481fc8e8ba10ab0106c9a5f

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of OptiFine 1.17.1 HD Ultra H1.


For those interested in downloading the most recent release of OptiFine or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

Download OptiFine 1.17.1 HD Ultra H1

  • OptiFine 1.17.1 HD Ultra H1 Screenshots

    The images below have been resized. Click on them to view the screenshots in full size.

    OptiFine 1.17.1 HD Ultra H1 Screenshot 1
  • OptiFine 1.17.1 HD Ultra H1 Screenshot 2
  • OptiFine 1.17.1 HD Ultra H1 Screenshot 3
  • OptiFine 1.17.1 HD Ultra H1 Screenshot 4
  • OptiFine 1.17.1 HD Ultra H1 Screenshot 5

What's new in this version:

- added support for the microsoft store launcher
- more smooth lighting fixes
- fixed crash with shaders velocity and disabled random entities
- fixed water smooth lighting
- fixed smooth lighting
- updated ChunkLayerSet to implement Set interface
- separated memory allocation and GC rate
- optimized render states
- restored Forge particle culling, disabled for guardian effect
- fixed breaking animation with shaders uniform renderStage
- fix mipmaps for glass pane top
- fixed resizing of animated sprites with fixed height
- fixed water cauldron legacy alias
- renamed grass path to dirt path
- fixed crash with different normal/specular texture animations
- fixed Custom GUIs
- fixed black entities on Intel with render regions
- optimized chunk culling
- fixed chunk loading for singleplayer/multiplayer
- fixed shaders programs gbuffers_beacon_beam and gbuffers_entity_glowing
- fixed OpenGL error on reloading resources
- fixed black entities with anisotropic filtering
- updated native memory monitor to work with Java 16
- updated SRG mappings
- fixed glow squid dynamic light on damage
- fixed compute shader validation on AMD
- compatible with Forge 37.0.103

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