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[Regarding macOS Tahoe](Updated September 18, 2025)
We cannot guarantee the compatibility of the current releases of Live2D Cubism Editor and Cubism SDK with macOS Tahoe.
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/
We cannot guarantee the compatibility of the current releases of Live2D Cubism Editor and Cubism SDK with macOS Tahoe.
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 can open my model3.json in the viewer but I cannot open it in the editor, help?
in Help
Live 2D version: cubism viewer (for OW) 4.2.01
OS: Windows 10
PC Model: custom built
Graphics specs: GTX 1060
CPU: Intel Core Intel Xeon E5-1603
memory: 32 GB
Illustration software used: Affinity Photo
Whenever I put my model3.json into the viewer it loads just fine but when I try to use it in the editor it gives me a loading bar that disappears instantly and nothing happens.
OS: Windows 10
PC Model: custom built
Graphics specs: GTX 1060
CPU: Intel Core Intel Xeon E5-1603
memory: 32 GB
Illustration software used: Affinity Photo
Whenever I put my model3.json into the viewer it loads just fine but when I try to use it in the editor it gives me a loading bar that disappears instantly and nothing happens.
Answers
Thank you for your continued use of our product.
model3.json" is data for embedding.
Please refer to the manual page.
https://docs.live2d.com/en/cubism-editor-manual/file-type-and-extension/
https://docs.live2d.com/en/cubism-editor-manual/export-moc3-motion3-files/