[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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Hello, I'm encountering a bug on the latest version 5.3.03 that was not present on 5.3.02. Oftentimes when a change to the deformer hierarchy is made - in particular, deleting deformers - the sc…
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The 5.3 beta seems to have implemented a "smart" artmesh pasting feature that attempts to automatically adjust where an artmesh is pasted. Unfortunately, the detection on that feature does …
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