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Live2D Cubism
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Cubism Editor Manual    Cubism Editor Tutorial    Cubism SDK Manual    Cubism SDK Tutorial
[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
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Most Recent
Moved: How to reduce draw calls? in Help
Closed
Tak.W(Staff)Tak.W(Staff)
0
1
Tak.W(Staff)Tak.W(Staff)
How to reduce draw calls? in Help
dizdiz
2
713
dizdiz
Are Photoshop blending modes supported? in Help
alex_mxalex_mx
3
2K
FxaYuanFxaYuan
Is it possible to open and edit a .moc file? in Help
DeltaD36DeltaD36
1
6.8K
naotaronaotaro
How to mix live2d animations and Unity particle effects? in Help
cj20038413cj20038413
6
1.3K
naotaronaotaro
Moved: How to mix live2d animations and Unity particle effects? in Help
Closed
Tak.W(Staff)Tak.W(Staff)
0
1
Tak.W(Staff)Tak.W(Staff)
How can I change motions in the sample app project by mouse clicks? in Help
tosscatossca
10
601
tosscatossca
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
242
anikianiki
How to stop a motion and play another? in Help
tosscatossca
4
822
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
201
taigacontaigacon
How to use the matrix in live2d in Help
JinmingJinming
4
381
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
202
JinmingJinming
WebGL Support? in Help
tomatocurry1tomatocurry1
1
71
TodTod
Can you provide optimization on this problem? in Help
RichardRichard
10
561
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
261
curiocurio
What does the minus sign on the left side of parameters names mean in the animator? in Help
jamesjames
1
101
curiocurio
Hello,there is an error in flash sdk , in Help
TomTom
8
221
TomTom
I try make a example cubism on Cocos3.1.1 but failed in Help
Jiapon0712Jiapon0712
1
51
[Deleted User][Deleted User]
Swift support in Feature Requests
TomTom
1
362
soa (Staff)soa (Staff)
Using the curve editor in the animator in Tips and Tricks
TodTod
0
71
TodTod
Adding hit areas to your model in Tips and Tricks
TodTod
0
1.6K
TodTod
Using cross-fade transitions in Tips and Tricks
TodTod
0
322
TodTod
Simulating physics in the viewer in Tips and Tricks
TodTod
0
201
TodTod
Cleaning up the mouth area in Tips and Tricks
TodTod
0
151
TodTod
Custom renderer in Feature Requests
livelylively
0
111
soa (Staff)soa (Staff)