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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.

Recent Discussions

Discussion List

Discussion
Started By
Replies
Views
Most Recent
Moved: How can I change motions in the sample app project by mouse clicks? in Help
Closed
Tak.W(Staff)Tak.W(Staff)
0
1
Tak.W(Staff)Tak.W(Staff)
How do I swap the contents of parameters? in Help
MissBayleyMissBayley
1
1.8K
MissBayleyMissBayley
Why do I get "Currently quicktime is not available, so movie could not be loaded" errors on Windows? in Help
anikianiki
2
246
anikianiki
How to stop a motion and play another? in Help
tosscatossca
4
790
tosscatossca
Moved: How to stop a motion and play another? in Help
Closed
Tak.W(Staff)Tak.W(Staff)
0
1
Tak.W(Staff)Tak.W(Staff)
live2D does not work well with Sprite3D in Help
vantacivantaci
4
197
taigacontaigacon
How to use the matrix in live2d in Help
JinmingJinming
4
366
JinmingJinming
Moved: How to use the matrix in live2d in Help
Closed
Tak.W(Staff)Tak.W(Staff)
0
1
Tak.W(Staff)Tak.W(Staff)
Live2d can't coexist with Sprite3D in Help
JinmingJinming
5
196
JinmingJinming
WebGL Support? in Help
tomatocurry1tomatocurry1
1
72
TodTod
Can you provide optimization on this problem? in Help
RichardRichard
10
541
yasu.o@live2dyasu.o@live2d
Moved: Can you provide optimization on this problem? in Help
Closed
Tak.W(Staff)Tak.W(Staff)
0
1
Tak.W(Staff)Tak.W(Staff)
Parameters without interpolation between keys? in Help
jamesjames
1
248
curiocurio
What does the minus sign on the left side of parameters names mean in the animator? in Help
jamesjames
1
98
curiocurio
Hello,there is an error in flash sdk , in Help
TomTom
8
193
TomTom
I try make a example cubism on Cocos3.1.1 but failed in Help
Jiapon0712Jiapon0712
1
45
[Deleted User][Deleted User]
Swift support in Feature Requests
TomTom
1
342
soa (Staff)soa (Staff)
Using the curve editor in the animator in Tips and Tricks
TodTod
0
65
TodTod
Adding hit areas to your model in Tips and Tricks
TodTod
0
1.5K
TodTod
Using cross-fade transitions in Tips and Tricks
TodTod
0
326
TodTod
Simulating physics in the viewer in Tips and Tricks
TodTod
0
206
TodTod
Cleaning up the mouth area in Tips and Tricks
TodTod
0
154
TodTod
Custom renderer in Feature Requests
livelylively
0
114
soa (Staff)soa (Staff)
How to snap parameter values? in Tips and Tricks
livelylively
4
1.1K
livelylively
One or two deformer(s) for x and y angles? in Help
livelylively
3
286
livelylively
Opensource Live2D Runtime in Feature Requests
livelylively
0
1.2K
TodTod
Godot Game Engine support in Feature Requests
livelylively
0
2.9K
TodTod
Using speed when animating models in Tips and Tricks
TodTod
0
438
TodTod
Separating body and head movement in Tips and Tricks
TodTod
0
499
TodTod
Managing model parts in Tips and Tricks
TodTod
0
64
TodTod