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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.

I am unable to save my Live2D edit project, what should I do ?

Anorak32Anorak32
in Help
During the loading process of saving my project, it suddenly stops to make the message "Failed to output" and "(failed to change a file name)".
By the way, I am using the free version but activated the premium trial, not long ago.

Does anyone have an answer to this issue, please?
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Comments

  • Enoko(Staff)Enoko(Staff)
    @Anorak32

    Thank you for always using our products.

    ▼ For question regarding Editor, please provide:
    - Live2D Software Version: (e.g. Cubism Editor 4.0.01)
    - OS & Version: (e.g. Windows 10, macOS HighSierra)
    - PC Model: (e.g. MacBookPro 2017)
    - Graphics Specifications: (e.g. GeForce GTX 950M)
    - CPU: (e.g. Intel Core i7-7700)
    - Memory: (e.g. 8GB)
    - Illustration Software used: (e.g. Photoshop, ClipStudio, SAI)

    Best regards.
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  • Anorak32Anorak32
    Hello,

    thank you for your reply, please find below the requested pieces of info :

    - Live2D Software Version: Cubism Editor 4.2.04
    - OS & Version: Windows 11 Family, version 22H2
    - PC Model: MSI GS63 STEALTH 8RE
    - Graphics Specifications: GeForce GTX 1060
    - CPU:Intel(R) Core(TM) i7-8750H CPU @ 2.20GHz
    - Memory: RAM 24Gb ;
    - Illustration Software used: Photoshop

    Please let me know if you need anything else.

    Regards.
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  • Enoko(Staff)Enoko(Staff)
    edited August 2023
    @Anorak32

    Thank you for your reply.
    Sorry for the late reply.

    It turns out that your machine's specs are fine.

    Are you running Cubism Editor correctly with administrator privileges? Please check again.
    https://help.live2d.com/en/cubismeditor/cubism-does-not-start-win/#:~:text=you are using.-,Run Cubism Editor as administrator,-Windows sometimes run

    where are you trying to save it?
    Can you create a "new folder" on your desktop and save it in it?
    Please try it.

    Best regards.
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