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Live2D Cubism
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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
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Most Recent
I contacted "contact" but never received a reply in Help
armeearmee
1
152
kudo(Staff)kudo(Staff)
Please advise how to play sound .wav on Android in Help
Answered ✓
nevermoreberrynevermoreberry
1
236
kudo(Staff)kudo(Staff)
Live2D Editor loads, but crashes when opening any file type in Help
ja3robinja3robin
8
568
ja3robinja3robin
Physics won't export with model in Help
mirbirmirbir
1
753
kudo(Staff)kudo(Staff)
Switching eye textures? in Help
Answered
cottonsafirecloudscottonsafireclouds
1
234
kudo(Staff)kudo(Staff)
I cant save my model file (VM Limit) in Help
ShiobelmontShiobelmont
1
423
kudo(Staff)kudo(Staff)
applying static effect animation to model in Help
chanidaechanidae
0
208
chanidaechanidae
Exporting Motion Files in Help
SilverDragonFXSilverDragonFX
1
234
kudo(Staff)kudo(Staff)
nothing shows up after opening cmo3 file in Help
KuraakenKuraaken
1
83
kudo(Staff)kudo(Staff)
[BUG] Glue weight brush size does not represent actual size value in Help
Ran_THRan_TH
1
113
ueno(staff)ueno(staff)
¿how can I load animations at runtime in Unity using StreamingAssets? Pls help T-T in Help
tabytaby
3
375
yasu.o@live2dyasu.o@live2d
[Cubism 3.2] Part Opacity stuck at 0% in Help
ABlankMaskABlankMask
2
1.9K
Yuii_potatoYuii_potato
Live2d playSound Bug on Safari in Help
stevesteve
1
74
kudo(Staff)kudo(Staff)
Bone Live2d In Unity in Help
Alukard99Alukard99
1
173
yasu.o@live2dyasu.o@live2d
I can't save or export! Help in Help
LuminousLuminous
4
1.4K
kudo(Staff)kudo(Staff)
Can't export in Help
xokamixoxokamixo
2
1.3K
CherrisenseiCherrisensei
I can't open Live2D Cubism Editor 4.1 or Live2D Cubism Viewer 4.1 in Help
snifsnif
9
1.1K
kudo(Staff)kudo(Staff)
Export quitting halfway in Help
qvisqvis
4
346
kudo(Staff)kudo(Staff)
Can't open a file in Help
MeanBlueMeanBlue
1
335
kudo(Staff)kudo(Staff)
Random parts of picture grow bigger when I try to move them? in Help
Answered
kumorisorakumorisora
1
115
kudo(Staff)kudo(Staff)
How to make fade effect for live2D model in Unity? in Tips and Tricks
iyptgiyptg
0
387
iyptgiyptg
Changing model fragment shader(android opengl es) in Help
catCodercatCoder
5
242
kudo(Staff)kudo(Staff)
Adding a normal map to the model textures for light in Help
catCodercatCoder
1
757
kudo(Staff)kudo(Staff)
Cannot Export on Pro Ver. in Help
KwiinaKwiina
6
886
qvisqvis
Support for Linux in Feature requests
OroOro
0
911
OroOro
How to combine the two models into one? in Help
Answered ✓
dppdpp
2
1.3K
dppdpp
Cache purge, keyform hotkeys, actions/macros (feature requests) in Feature requests
dochanheedochanhee
0
183
dochanheedochanhee
Live2D constantly crashing with license key in Help
SilverDaWolfieSilverDaWolfie
1
122
kudo(Staff)kudo(Staff)
Copying eyes, but the other eye if a different color in Help
GrayAnimatesGrayAnimates
0
603
GrayAnimatesGrayAnimates
[SUGGESTION] Have rotation deformer handle keeping its orientation? in Help
Ran_THRan_TH
1
866
ueno(staff)ueno(staff)