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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
The AngleY don't work in Help
HeyJessHeyJess
0
159
HeyJessHeyJess
Center deformer feature/option in Feature requests
cilliacillia
1
530
ookubo(staff) ookubo(staff)
My Auto generate window not pop up in Help
BeginnerkaBeginnerka
1
58
ookubo(staff) ookubo(staff)
Model wont export in Help
HattyBeeHattyBee
1
94
ookubo(staff) ookubo(staff)
Can't deactivate expired license or activate new one. in Help
AzatoStaciaAzatoStacia
1
122
ookubo(staff) ookubo(staff)
Email left unread. in Help
HattyBeeHattyBee
0
27
HattyBeeHattyBee
错误代码1005 in Help
shanmao615shanmao615
1
55
ookubo(staff) ookubo(staff)
About error reporting（1,-153） in Help
shanmao615shanmao615
1
75
ookubo(staff) ookubo(staff)
My Model will not export in Help
Answered
FableHeartFableHeart
1
103
ookubo(staff) ookubo(staff)
My pendulum is just not working. Like it doesn't exist? in Help
CoatimundiCoatimundi
0
333
CoatimundiCoatimundi
Collision detection boxes for physics in Feature requests
LithmarielLithmariel
3
148
ookubo(staff) ookubo(staff)
Square/rectangular shaped brushes and brushes inside mesh edit in Feature requests
LithmarielLithmariel
3
111
ookubo(staff) ookubo(staff)
Weight paint curve path points in Feature requests
LithmarielLithmariel
1
40
ookubo(staff) ookubo(staff)
Error on payment in Help
AnaJuliaAnaJulia
2
132
AnaJuliaAnaJulia
add a on website license deactivation in Feature requests
nekopaonekopao
1
72
ookubo(staff) ookubo(staff)
Duplicated parts doesn't show in texture atlas in Help
MARAmaanMARAmaan
5
1.1K
MudKinaMudKina
Better automatic atlas positioning in Feature requests
LithmarielLithmariel
1
89
ookubo(staff) ookubo(staff)
【User Survey was ended】Material Separation Photoshop Plug-in User Survey in Material Separation Photoshop Plug-in
Closed
Enoko(Staff)Enoko(Staff)
0
127
Enoko(Staff)Enoko(Staff)
Group Opacity Feature in Feature requests
CrunchyCrunchy
2
210
LithmarielLithmariel
My model keeps disappearing and if it's not doing that, it's not moving in Help
trishtrish
1
456
obsidianobsidian
Interested review this product in Other Live2D Products and Tools (Other Photoshop Scripts, Sample Data, etc.)
EugeniaEugenia
1
112
ookubo(staff) ookubo(staff)
Texture Atlas freezes program in Help
Answered
CocomeowlonCocomeowlon
1
187
ookubo(staff) ookubo(staff)
OVERLAY blend mode please in Feature Requests
KkAllTheWayyKkAllTheWayy
1
156
ookubo(staff) ookubo(staff)
I can't use a pro free trial in Help
Answered
PimchanokPimchanok
1
74
ookubo(staff) ookubo(staff)
Support for additional blending modes in Feature requests
TenpiTenpi
2
982
KkAllTheWayyKkAllTheWayy
I accidentally delete texture atlas folder and now it doesn't export right in Help
CarrotsCarrots
0
103
CarrotsCarrots
No customer support response to -1005 License error. in Help
KDowneyKDowney
2
85
ookubo(staff) ookubo(staff)
Deformer Referencing in Feature requests
CrunchyCrunchy
1
91
ookubo(staff) ookubo(staff)
how I can recover my license of the program? in Help
Answered
blueoceanlatteblueoceanlatte
2
357
KDowneyKDowney
Please have a license deactivation online. in Feature Requests
reflairreflair
1
202
KDowneyKDowney