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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
“cmo3 File 'loading' but nothing actually loads in Help
sophies_daydreansophies_daydrean
8
602
sophies_daydreansophies_daydrean
efficient way to animate this eye smile that does not contain eyelash but a pupil in Help
penguincubopenguincubo
1
253
penguincubopenguincubo
Live 2D cubism, will not save my progress in Help
NanamiNanami
2
615
NanamiNanami
After Export Parameters Disabled in live2d viewer in Help
ayansiddiquiayansiddiqui
1
97
Enoko(Staff)Enoko(Staff)
3D FBX vtuber model in Help
kayinshokayinsho
2
396
Enoko(Staff)Enoko(Staff)
Live2D Cubism Editor Not Opening Properly on Mac (No M1 Chip) in Help
kishakisha
1
499
Enoko(Staff)Enoko(Staff)
File 'loading' but nothing actually loads in Help
sophies_daydreansophies_daydrean
0
47
sophies_daydreansophies_daydrean
Live2D Viewer Not Working in Help
SydBunsSydBuns
1
713
Enoko(Staff)Enoko(Staff)
Sample Model Collection question. in Help
lznlzn
1
73
Enoko(Staff)Enoko(Staff)
Cannot update my .cmo3 file with a new .psd file in Help
BERUIBERUI
2
307
Enoko(Staff)Enoko(Staff)
Live2D 4.2 not opening in Help
mystmyst
7
533
Enoko(Staff)Enoko(Staff)
I can't export my model as a .moc3 file in Help
CheesePuffCheesePuff
1
1.7K
CheesePuffCheesePuff
Unreal Live2D SDK in Tips and Tricks
Al_FeAl_Fe
3
2.1K
yasu.o@live2dyasu.o@live2d
Won't let me edit anymore in Help
FillowPortFillowPort
1
42
Enoko(Staff)Enoko(Staff)
More parameters? in Help
HowTheTurnsTableHowTheTurnsTable
1
135
CartoonscottCartoonscott
Keyforms lag and crash in Help
CartoonscottCartoonscott
0
56
CartoonscottCartoonscott
Moved: Keyforms lag and crash in Help
Closed
Tak.W(Staff)Tak.W(Staff)
0
1
Tak.W(Staff)Tak.W(Staff)
i can't "paste" the layers in Help
syaoransyaoran
11
1.3K
ueno(staff)ueno(staff)
Question how to display this in Live2D Cubism in Help
YUNAIDYUNAID
1
34
Enoko(Staff)Enoko(Staff)
Additional Feature for "Replicate Parameters" Palette Menu in Feature requests
CrunchyCrunchy
3
115
Enoko(Staff)Enoko(Staff)
Paste to Multiple Keys in Feature requests
TheArtGunTheArtGun
1
72
Enoko(Staff)Enoko(Staff)
Psd file won't open in any way in Help
Answered
MochiMochi
2
172
Enoko(Staff)Enoko(Staff)
Live2D Cubism crash when exporting animation in Help
Nandinho_ChanNandinho_Chan
1
154
Enoko(Staff)Enoko(Staff)
Want to have CSP-like split view parameter and separator bar in Feature requests
anzeloanzelo
1
34
Enoko(Staff)Enoko(Staff)
[BUG] Auto backup setting bugged? in Help
Ran_THRan_TH
5
204
ueno(staff)ueno(staff)
Model Guide Image (Art Mesh Count: 2) in Help
Question
HStevensHStevens
1
136
HStevensHStevens
psd file will not open in Help
deadboideemdeadboideem
1
145
Enoko(Staff)Enoko(Staff)
PSD Will not load into Live2D Cubism Editor in Help
Answered
missomisso
1
94
Enoko(Staff)Enoko(Staff)
[BUG?] Cannot delete blend shapes that were initially from custom templates in Help
lehxralehxra
2
215
lehxralehxra
Ik constraints in Feature requests
NoireNoire
1
244
Enoko(Staff)Enoko(Staff)