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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.

(Mac) Always crashing when loading up something (Editor and viewer)

It appears that both editor and viewer will crash upon adding something or opening a new project. (will provide log if needed).

Comments

  • Hello, @Jaiden087
    Thank you for your contact.
    This is Live2D Support.
    We apologize for any inconvenience this may cause.

    For further investigation, please fill in all the information below:
    Live2D Software Version: (e.g. Cubism Editor 4.1.00 beta1)
    OS & Version: (e.g. Windows 10, macOS BigSur11.5)
    PC Model: (e.g. MacBookPro 2017)
    Video card: (e.g. GeForce GTX 950M)
    CPU: (e.g. Intel Core i7-7700)
    Memory: (e.g. 8GB)
    Illustration Software used: (e.g. Photoshop, ClipStudio, SAI)
    Could you please provide us with the Log file for our research?

    Please follow the instructions in the attached image to get the log file.
    Log folder is here.


    /Users/{User name}/Library/Live2D/Cubism4_Editor/logs/

    We appreciate your cooperation
    Thank you.
  • I'm having the same exact problem and I'm also on a mac, It also seems like ja3robin is having the same problem aswell.
  • Hello, @SilverDaWolfie
    Thank you for your contact.
    This is Live2D Support.
    We apologize for any inconvenience this may cause.

    For further investigation, please fill in all the information below:
    Live2D Software Version: (e.g. Cubism Editor 4.1.00 beta1)
    OS & Version: (e.g. Windows 10, macOS HighSierra)
    PC Model: (e.g. MacBookPro 2017)
    Video card: (e.g. GeForce GTX 950M)
    CPU: (e.g. Intel Core i7-7700)
    Memory: (e.g. 8GB)
    Illustration Software used: (e.g. Photoshop, ClipStudio, SAI)

    Please delete the following configuration folder and check the behavior of the Editor.
    【Mac】
    /Users/[Username]/Library/Live2D/Cubism4_Editor/

    Please follow the instructions in the attached image to get the log file.

    We appreciate your cooperation
    Thank you.
  • I have a similar problem, I get lots of random crashes/freezes. I have an M1 Mac, but (from what I understand) intel programs should run fine under Rosetta 2. I attached the log file.

    Live2D Version: 4.1.01
    OS: macOS Monterey 12.0.1
    Mac: MacBook Pro (2021)
    CPU/GPU: Apple M1 Pro
    Memory: 16GB
    Software used: Photoshop

    log.txt 464.3K
  • Hello, @Tenpi
    Thank you for your contact.
    This is Live2D Support.

    Monterey and M1 Pro are not guaranteed to work.
    We will use this as a reference for future development.
    However, could you please try the following?

    Try with the latest beta version (4.1.02beta1).
    https://www.live2d.com/en/download/cubism/

    Please delete the following configuration folder and check the behavior of the Editor.
    【Mac】
    /Users/[Username]/Library/Live2D/Cubism4_Editor/

    Provide a screen recording that shows the situation where the problem occurs.

    If you don't want the data to be public, please send it via DM.

    [How to send a direct message]
    Click on my name, "kudo(Staff)".
    My profile screen will open. Click on [Message] in the top right corner.
    The message sending screen opens.
    Click on the icon [Attach file] and select the file.
    Click [Post Message] to send the message.
    (Please compress the file. If the file is too large to be attached, use an upload site or similar)
  • Hello, @Jaiden087
    Thank you for your log file.

    Please delete the following configuration folder and check the behavior of the Editor.
    【Mac】
    /Users/[Username]/Library/Live2D/Cubism4_Editor/

    For further investigation, please fill in all the information below:
    Live2D Software Version: (e.g. Cubism Editor 4.1.00 beta1)
    OS & Version: (e.g. Windows 10, macOS HighSierra)
    PC Model: (e.g. MacBookPro 2017)
    Video card: (e.g. GeForce GTX 950M)
    CPU: (e.g. Intel Core i7-7700)
    Memory: (e.g. 8GB)
    Illustration Software used: (e.g. Photoshop, ClipStudio, SAI)

    Please check if this also happens in Cubism Editor 4.0.09.
    https://www.live2d.com/en/download/cubism/

    We appreciate your cooperation
    Thank you.
  • Hello, @Tenpi

    This is Live2D Support.
    Thank you for your movie.

    Is the situation the same when you open the official sample model?
    sample model:https://www.live2d.com/en/download/sample-data/
    If this does not happen with the sample model, please provide us with the model data.

    We appreciate your cooperation
    Thank you.
  • Hello, @Tenpi

    This is Live2D Support.
    Thank you for your movie.

    Is the situation the same when you open the official sample model?
    sample model:https://www.live2d.com/en/download/sample-data/
    If this does not happen with the sample model, please provide us with the model data.

    We appreciate your cooperation
    Thank you.

    Yes, the freezing occurs with every file that I open.
  • Hey, I sort of have the same problem and I'm also using a Mac..heres my log
    log.txt 257.7K
  • Hello, @Tenpi
    Thanks for checking.

    I would like to confirm the problem but could not reproduce it.
    Could you please check the behavior of Editor after restarting your PC and closing all resident applications?

    Also, how is it with the latest version (4.1.03)?
    https://www.live2d.com/en/download/cubism/

    We appreciate your cooperation
    Thank you.
  • Hi everyone,
    I was able to solve my Macbook Live2D crashing problem by installing the latest macOS Catalina Security Update 2021-008, which was just released December 13, 2021.

    Details in this post:
    https://community.live2d.com/discussion/1200/live2d-editor-loads-but-crashes-when-opening-any-file-type#latest
  • Hello, @Tenpi
    Thanks for checking.

    I would like to confirm the problem but could not reproduce it.
    Could you please check the behavior of Editor after restarting your PC and closing all resident applications?

    Also, how is it with the latest version (4.1.03)?
    https://www.live2d.com/en/download/cubism/

    We appreciate your cooperation
    Thank you.

    Unfortunately, I have the same issues on macOS 12.1, Live2D 4.1.03. I think my problems are because of the Apple M1 chip which to be fair is said to be unsupported. I will have to wait for the support to be added then.
  • Hi, @Tenpi

    Could you please try deleting the settings folder in the following location again?
    【Mac】
    /Users/[User name]/Library/Live2D/Cubism4_Editor

    Also, please make sure you have accessibility permissions in place.
    https://help.live2d.com/en/cubismeditor/enable-accessibility-in-mac/

    We appreciate your cooperation
    Thank you.
  • I have resolved my issues. It appears that updating macOS to version 12.2 solved the problem.
  • Hi, @Tenpi
    Thanks for sharing your solution.

    This information will help many users of the M1Pro mac.

    Thank you very much!
  • edited February 2022
    Actually, I want to provide more information because what I said above was not accurate. I have discovered that the cause of the freezing is caused by the window-snapping app "Rectangle".

    When I updated macOS it quit all the running apps which is why I thought that was the fix, but the issue came back and I discovered that it's caused by the "Rectangle" app.

    I hope that helps anyone experiencing a similar issue.
  • I sadly can‘t open the editor only the viewer with the following setup:

    Live2D Version: 4.1.05
    OS: macOS Monterey 12.4
    Mac: Mac Mini (2020)
    CPU/GPU: Apple M1
    Memory: 8GB
    Software used: Clip Studio

    Has somebody tried using Parallels+Windows on a Mac M1 to work with Live2D? At this point I assume there is no work around to get it running on my new Mac.
  • New user here, also on Mac and facing pretty much the same issue. Program crashes when I attempt to save a model, or when I launch the program with said model pre-loaded, I assume. If I move the .cmo3 file out of its directory the program opens, but once I try to save again it crashes.

    Live 2d version: 4.2
    OS: macOS Monterey 12.4
    Mac: MacBook Pro (2017)
    Graphics processor: Intel Iris Plus Graphics 650 1536 MB
    CPU: 3.5 GHz Dual-Core Intel Core i7
    Memory: 16 GB
    Software Used: Clip Studio

    I am excited to get working. Please advise.
  • Thank you for your continued use of our product.

    We are currently receiving numerous reports from macOS Monterey users of issues with Cubism crashing.
    We believe this problem is most likely caused by macOS Monterey
    Please downgrade macOS and try to see if Cubism works properly.

    Best regards.
  • Hi Enoko,

    Thanks for the reply. Unfortunately, Downgrading macOS would be a lengthy process and I'm on a partitioned system. Downgrading is not ideal. Is your team working to account for Monterey at the moment? If so, how long do you expect it to be until a solution is found?
  • @gfreitag

    Thank you for your reply.

    We understand very well how you feel.
    This issue is most likely a bug in macOS Monterey and we have no way to address it.
    Cubism Editor is a Java-based application, and we are experiencing problems with Java applications in the macOS Monterey environment.
    We will continue to investigate, but at this point we can only wait for an announcement from Apple regarding macOS.

    Best regards.
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