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[About Cubism Editor / SDK 5.4 Alpha](Updated: July 14, 2026)

You can download the alpha installer from the dedicated forum below.
If you have any feedback regarding the alpha version, including feature requests or bug reports, please use the same forum.

Cubism Editor / SDK 5.4 Alpha Forum
https://creatorsforum.live2d.com/c/cubismeditorsdk54alpha/

[Regarding macOS Tahoe](Updated October 16, 2025)

macOS v26 Tahoe is now supported!
We advise against upgrading your macOS at this time as it may cause Live2D products not to function correctly.
Upgrading macOS can also cause you to lose your Cubism Editor license file.
Please make sure to deactivate your Cubism Editor license before upgrading the macOS.

For more details:
https://help.live2d.com/en/other/other_09/
For inquiries regarding issues with license purchases or license activation errors, please contact us through the email form.

Live2d Cubism Editor 5.0 Failed to initialize OpenGL

MHRMHR
in Help
Hello

I installed a version 5.0.00 of Live2D, tried to open it but it show "Failed to initialize OpenGL"




I checked anything follow this https://docs.live2d.com/en/cubism-editor-manual/fault-map/#:~:text=version, update it.-,Step 2,-Check the GPU

The Nvidia graphic card is up to date. I checked NVIDIA control panel , set Live2D running with administrator privileges but it doesn't work.

Now I can still use version 4.2.04 of Live2D but cant use version 5.0.00.

My spec
- Cubism Editor 5.0.00
- Windows 10 Pro, 64 bit
- Intel Core i5-12400
- NVIDIA Geforce RTX 4070 and intel(R) UHD Graphics 730
- RAM 32 GB
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Comments

  • obsidianobsidian
    Hello, there.

    I want to check your error log.
    Here is way to get a log file.
    https://help.live2d.com/en/other/other_22/#:~:text=If the Editor cannot be launched
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  • MHRMHR
    Hi obsidian

    Now I can use version 5.0.00 of Live2D.
    I don't know if this is because I connected XPPen Artist 12 Pro to mainboard, because after I connected all the monitors to the Nvidia graphic card and tried to run Live2D as an administrator as usual(not run compatibillity mode (win 8) ), so I could open version 5.0.00 of Live2D!

    Another way I got from my friend is properties -> run compatibillity mode (win 8). It works too!

    here is my log file, in case it is useful or know another reasons.
    sorry for my poor English.
    log.txt 415.2K
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  • obsidianobsidian
    edited October 2023
    I looked at the log file and found an error that is probably the cause.

    java.lang.UnsupportedOperationException: Unsupported GLProfile.GL3

    It seems that somehow your GPU - RTX 4070 was not being used when the program was running.

    Anyway, I'm glad you solved the problem!
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