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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
[BUG] Parameter panel is extremely bugged in latest beta 4.1.02 beta1 in Help
Ran_THRan_TH
2
142
ueno(staff)ueno(staff)
Can't export moc3 in Help
jojotosjojotos
1
501
kudo(Staff)kudo(Staff)
saying "invoke after texture atlas is generated" in Help
meganzhoumeganzhou
5
27K
AlphaFennecAlphaFennec
background image/sprites turn black when adding Opengl es effects to the Renderer in Help
catCodercatCoder
1
295
kudo(Staff)kudo(Staff)
Error Exporting .moc3 file in Help
MariaAlmaMariaAlma
1
92
kudo(Staff)kudo(Staff)
My Live2d License suddenly disappeared, Error 1,-153 when I input my license back. in Help
nananeuenananeue
1
313
ueno(staff)ueno(staff)
I cant save my file, help please in Help
ShiobelmontShiobelmont
2
1.4K
ShiobelmontShiobelmont
[Modeling Tip] how to achieve realistic pupils in Tips and Tricks
renoarenoa
4
2K
JohnWithersIIIJohnWithersIII
Physic is not exporting with the model in Help
otternuggetotternugget
1
778
kudo(Staff)kudo(Staff)
Please help, I can't select add mesh/move part. in Help
otternuggetotternugget
1
2.4K
ueno(staff)ueno(staff)
How to dynamically update parts through code in Help
Answered
devinshinedevinshine
1
98
JohnWithersIIIJohnWithersIII
Request for better animation tools in Feature requests
LMoLMo
1
134
kudo(Staff)kudo(Staff)
Is there any way to simply copy deformer and paste them to another keyform? in Help
KatuzzKatuzz
1
4.8K
kudo(Staff)kudo(Staff)
[REQUEST] Please disallow program to run in Unregistered mode. in Help
Ran_THRan_TH
1
143
ueno(staff)ueno(staff)
[FIXED] Change Parameter Window Missing in Help
Question
MadderPurpMadderPurp
0
522
MadderPurpMadderPurp
PHYSICS HELP! in Help
MiruMoonieMiruMoonie
1
1.6K
kudo(Staff)kudo(Staff)
More than one texture error. in Help
Blaze929Blaze929
1
71
Blaze929Blaze929
After Effects model shows up as a black box in Help
LMoLMo
1
121
LMoLMo
Some parts missing on Unity Simulator in Help
choryuidentifychoryuidentify
2
120
choryuidentifychoryuidentify
Moved: Some parts missing on Unity Simulator in Help
Closed
Tak.W(Staff)Tak.W(Staff)
0
1
Tak.W(Staff)Tak.W(Staff)
Problem with exporting and importing parts from Live2D 4.0 to Unity SDK in Help
pocketfaunpocketfaun
1
776
yasu.o@live2dyasu.o@live2d
Draw Order parameter greyed out? in Help
OchusOchus
1
1.5K
OchusOchus
Mouth open doesn’t follow head angle XY in Help
Answered
MalwareiousMalwareious
1
1.4K
OchusOchus
Has anyone ran into this problem? in Help
klownkoreklownkore
1
517
kudo(Staff)kudo(Staff)
Eyes Closed xD in Help
Answered
CoralCoral
1
504
ueno(staff)ueno(staff)
about importing a model in to a other model in Help
CloverClover
1
1.1K
kudo(Staff)kudo(Staff)
How do I get back my modeling view? in Help
IneedhelpforLIVE2DIneedhelpforLIVE2D
3
252
IneedhelpforLIVE2DIneedhelpforLIVE2D
Según estos datos mi PC si cumple pero no me ejecuta porque?? in Help
Answered
BriggitteLBriggitteL
1
203
kudo(Staff)kudo(Staff)
psd file won't load in Help
AmskeAmske
4
2.9K
LMoLMo
Application Unresponsive & Crashes in Help
LMoLMo
20
2.5K
LMoLMo