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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/
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.
Square/rectangular shaped brushes and brushes inside mesh edit
When moving/deforming flat or long objects, the round brush can be difficult to manage. A brush inside mesh edit would also be useful for when you create automatic lines and need to adjust some of it because not everything fits exactly, or when you need to move multiple points around where the lasso can't help.
Comments
Thanks for using our product.
Let me ask you a question to make sure I understand your request correctly.
I assume you mean "I would like to be able to select vertices by brush in mesh editing"?
Do you mean that I need square or rectangular brushes as well as round ones for that?
Best regards.
1- Square/rectangular brushes (general use, specially for mesh deforming)
2- Brush edit inside mesh edit (in this case, yes, so you can move vertices with brush!)
Thank you for always improving on Cubism
Thanks for the detailed explanation.
I will share your request with our development team.
Best regards.