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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
Source Image(default value) is locked in Help
Happy_DogHappy_Dog
3
8K
antaresvaldemarantaresvaldemar
Live2d Cubism 3.0 is running super slow. in Help
jackgraham3jackgraham3
3
1.1K
millermiller
Sketches and bones? in Feature requests
MariuszMariusz
0
371
MariuszMariusz
weird drag when using parameters in Help
Answered
burntriceburntrice
2
352
Enoko(Staff)Enoko(Staff)
Problems when exporting!!! (Background) in Help
KayKay
0
191
KayKay
Failed to output or scenario thing in Help
KishKishKishKish
1
81
Enoko(Staff)Enoko(Staff)
Model won't load in Help
totallytheatotallythea
0
611
totallytheatotallythea
Object invisible in Help
AquaxicAquaxic
0
561
AquaxicAquaxic
Looking for a Live2D animator (paid) in General Discussions
AndrealphusAndrealphus
0
51
AndrealphusAndrealphus
Can't insert audio file to Cubism Animator 3 in Help
AndiAndi
5
1.4K
BeginnerNoobLolBeginnerNoobLol
Unreal Engine 4? in Feature Requests
MystifistiskMystifistisk
1
681
chwindchwind
Live2D Cubism Editor [ 4.0.05 ] not running in Help
ZentrieZentrie
1
141
ZentrieZentrie
Deformes Bounding Box Dissapears in Help
pikafanZRKpikafanZRK
0
671
pikafanZRKpikafanZRK
C++ D3D11 Link error in Help
SamChuSamChu
2
91
SamChuSamChu
Only exporting 1-5 seconds of the video in Help
KishKishKishKish
0
1
KishKishKishKish
Falsely Claiming I have locked images in Help
soupwormsoupworm
0
141
soupwormsoupworm
Cant open PSD file in Help
LiyaLiya
0
81
LiyaLiya
2dlive models from 2d live module in facerig looks broken and weird in Help
RyuzekiRyuzeki
0
51
RyuzekiRyuzeki
Can't seem to download Cubism SDK on Unity properly. in Help
GOLDENSTEINGOLDENSTEIN
0
121
GOLDENSTEINGOLDENSTEIN
can't drag psd file - me too... in Other Live2D Products and Tools (Other Photoshop Scripts, Sample Data, etc.)
cyberpidgcyberpidg
0
181
cyberpidgcyberpidg
Animal Ears work in Editor and Animations, but does not work in Viewer in Other Live2D Products and Tools (Other Photoshop Scripts, Sample Data, etc.)
kimekim12345kimekim12345
1
572
Enoko(Staff)Enoko(Staff)
Why can't I create more than 1 rotation deformer? in Help
Answered
GalaxyPinappleGalaxyPinapple
1
242
Enoko(Staff)Enoko(Staff)
License activation failed in Help
MilkTeaViviMilkTeaVivi
1
321
Enoko(Staff)Enoko(Staff)
Cursor Tracking in Help
SylviaDarkSylviaDark
0
1.1K
SylviaDarkSylviaDark
Unable to save in LIve2d Cubism 4.0 (free version) in Help
droppeddonutdroppeddonut
0
271
droppeddonutdroppeddonut
Why do you motion files become expression files? in Help
kurisseekurissee
0
121
kurisseekurissee
want to use free version but i can't in Help
Answered ✓
porunporun
7
1.3K
anamanam
Trouble with rotation deformers in Help
SpicyPurritoSpicyPurrito
0
1.5K
SpicyPurritoSpicyPurrito
psd wont import in Help
justinjustin
3
912
anamanam
Facing all directions in Help
SUIIIJISUIIIJI
1
91
lxllxlozlxllxloz