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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
Can't render videos and problems with gif exporting in Help
akaisuirenakaisuiren
3
573
kudo(Staff)kudo(Staff)
Apple Silicon support for Cubism SDK Native in Feature Requests
taigacontaigacon
0
782
taigacontaigacon
Stuck at Menu in Help
dearahnyudearahnyu
2
114
kudo(Staff)kudo(Staff)
Messed up mouth tracking, how do I fix? in Help
SpiffyBunnySpiffyBunny
0
41
SpiffyBunnySpiffyBunny
Problems importing physics into Vtube Studio. in Help
MeowMeow
1
1.4K
MeowMeow
Scene1are failed to output in Help
gorikgorik
1
378
kudo(Staff)kudo(Staff)
the file does not open in Help
DEDADDEDAD
1
324
kudo(Staff)kudo(Staff)
Automatic mesh generator bug in Help
MARAmaanMARAmaan
1
343
kudo(Staff)kudo(Staff)
Y Axis Head Rotation Not Working in Help
kchovkchov
1
1.1K
kudo(Staff)kudo(Staff)
I wonder what function was used. in Help
Answered
E_mitailE_mitail
1
14
akaisuirenakaisuiren
Bust physics don't work? in Help
Answered
FlorianHillFlorianHill
1
948
akaisuirenakaisuiren
Texture Atlas blurry regardless of size in Help
Answered
EpicGaiaEpicGaia
1
1.4K
akaisuirenakaisuiren
problem with the file in Help
DEDADDEDAD
0
21
DEDADDEDAD
[BUG] Transformation tools locks up the Editor when Lock Default Deformer is checked in Help
Ran_THRan_TH
2
836
kudo(Staff)kudo(Staff)
Parts problem in Help
sakuramochisakuramochi
0
42
sakuramochisakuramochi
Y Axis Head Rotation Not Working in Tips and Tricks
kchovkchov
0
133
kchovkchov
Invalid License Key (5, -1005) in Help
Answered
SilverDaWolfieSilverDaWolfie
1
265
kudo(Staff)kudo(Staff)
Invalid License Key (5, -1005) in Help
SilverDaWolfieSilverDaWolfie
0
93
SilverDaWolfieSilverDaWolfie
Importing psd file doesn't show parts in Help
FerrixFerrix
1
1.6K
kudo(Staff)kudo(Staff)
Created Parameters Don't Animate in Help
SylphySylphy
1
675
kudo(Staff)kudo(Staff)
My Meshes are not Being Specified (Live 2D Cubism 4.1) in Help
Answered
Emily_LynnEmily_Lynn
3
391
kudo(Staff)kudo(Staff)
Framework->Rendering->OpenGL in Help
MenThuMenThu
1
132
yasu.o@live2dyasu.o@live2d
Bone Live2d In Unity in Help
Question
Alukard99Alukard99
0
25
Alukard99Alukard99
[Unity] Texture not showing in Help
padosory5padosory5
1
586
yasu.o@live2dyasu.o@live2d
Nothing is showing up on my deformer section in Help
SpeedSteelSpeedSteel
1
63
kudo(Staff)kudo(Staff)
Trying to save my project into a mop3 file in Help
LeoopLeoop
1
51
kudo(Staff)kudo(Staff)
License activation error -153 for pro lisence in Help
dropdeaddrawingdropdeaddrawing
1
471
kudo(Staff)kudo(Staff)
Visual Glitches/Marks when exporting as .moc3 in Help
luckystepbroluckystepbro
4
1.6K
kudo(Staff)kudo(Staff)
Parallax effect // Multiplane camera in Live 2D Cubism? in Help
LaumeBLaumeB
0
165
LaumeBLaumeB
Unable to export model in Help
brooklynefaebrooklynefae
2
557
kudo(Staff)kudo(Staff)