[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.
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It renders for me hmmm, would love to see more abour the LOG / error it shows I assume is jsut a ram issue, do you by any cahnce just have 8gb of ram ?
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Hi @Bug_VT Thank you for using our product. First, please tell us about your PC environment. - OS & Version: (e.g., Windows 10, macOS High Sierra) - PC Model: (e.g., MacBook Pro 2017) - Graphics Specifications: (e.g., GeForce GTX 950M) - CPU: (e.g., Intel Core i7-7700) - Memory: (e.g., 8GB) - Illustration Software used:…
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Hi @Alkanimate Thank you very much for using our product. We have shared your request with the development team. Thank you for your understanding.
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Hi @argamawitch Thank you for using our product. As you may already know, the Brush selection tool and deform brush tool may be able to perform the operations you requested. If you haven't used them yet, please try them out. https://docs.live2d.com/en/cubism-editor-manual/detailed-toolpalatte/ Thank you.
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Hi @argamawitch Thank you very much for using our product. We have shared your request with the development team. Thank you for your understanding.
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Hi @argamawitch Thank you very much for using our product. We have shared your request with the development team. Thank you for your understanding.
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Hi @dd07581 Thank you very much for using our product. We have shared your request with the development team. Thank you for your understanding.
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Yes that means you are running out of memory because 8gb is not enough, you could try using your friend pc yepyep, or if you still have issues just contact me via discord (same nickname as here!) and i can help you if you want c:
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Hi @EchorinP Thank you for using our product. Please store the model file and log file experiencing the problem in the following data box. https://biz.datadeliver.net/posts/ZokNlc0bcAyB Please note that this data box is only accessible to the development team. For instructions on how to obtain logs, please see here:…
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Hi @Meowwse We apologize for the delay. We are continuing our investigation into this matter. To further our investigation, please allow us to ask two questions: What version of browser did you use to download the file? Also, if you don't mind, please tell us which country you accessed the site from. Thank you for your…
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Hi @indigo_cho I apologize for the delayed response. Reproducing this issue is proving difficult, making it challenging to investigate the root cause. To continue the investigation, please store the model file and log file where this problem occurs, if possible, in the following location:…
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Hi @Ceniaranara Thank you for using our product. We apologize for the inconvenience. To help us investigate, please allow us to ask you a few questions. ① Did this problem occur after upgrading to the Pro version? Were you able to launch the application using the trial or free version? ② You may have already tried this,…
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Okay looking at your specification you havent installed your gpu drivers it is why you have issues with opengl, please install your pc/gpu drivers!!!
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Hi @miyanoillis Thank you for your response. We have shared your request with the development team. Thank you for your cooperation.
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Hi @chanun Thank you for using our product. For licensing issues, please contact us via the email form, as it may involve handling personal information. https://www.live2d.jp/eng/contact/ Please select [PRO License] as the item. Scroll down to find the email form. Thank you for your cooperation.
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Hi @liuyei Thank you for using our product. We apologize, but we cannot answer questions regarding third-party applications. If this issue also occurs in Cubism Viewer, please attach a screenshot showing the specific part of the display that is showing the problem. Thank you for your cooperation.
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Hi @Ran_TH Thank you very much for using our product. We have shared your request with the development team. Thank you for your understanding.
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Hi @Izel Thank you very much for using our product. For payment-related questions, please use the email form as it may involve handling personal information. https://www.live2d.jp/eng/contact/?redirect=1 Please select [PRO License] as the item. Scroll down to find the email form. Thank you for your cooperation.
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Hi @_chajok_ Thank you for using our product. We have a few questions for you. Does this problem also occur when you open the sample model we provide? Please check. The sample model can be downloaded from the following URL: https://www.live2d.com/en/learn/sample/ Next, please refer to the following help site and try…