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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
Help: is there any way to do more accurate in making something bigger with a deformer in Help
ItsactuallyTeaDItsactuallyTeaD
1
43
KatomonKatomon
Help in the animator I dragged the bottom part down and now I can’t see the timeline in Help
ItsactuallyTeaDItsactuallyTeaD
2
55
ItsactuallyTeaDItsactuallyTeaD
[Download]Cubism SDK for Unreal Engine R1 alpha5 in Download
Announcement
Tak.W(Staff)Tak.W(Staff)
0
183
Tak.W(Staff)Tak.W(Staff)
I need help I can't use Live2D!! in Help
yakkefishyakkefish
1
146
ookubo(staff) ookubo(staff)
Live2d won't load in my psd file- in Help
stuffiestuffie
1
237
ookubo(staff) ookubo(staff)
Unable to export to moc3 file in Help
Answered ✓
PrasertPrasert
2
128
PrasertPrasert
unity Parameter slider bug? in Help
IkedadaIkedada
1
82
yasu.o@live2dyasu.o@live2d
My backup save isn't working, nor normal save. in Help
SpiralofdollsSpiralofdolls
1
51
ookubo(staff) ookubo(staff)
Need a way to 'Flip Face Orientation' in Feature requests
KamiletKamilet
4
175
ookubo(staff) ookubo(staff)
Feature Request - Move Multiple Parameters in Feature requests
mynemomomynemomo
3
73
mynemomomynemomo
PRIORITY PHYSICS BUG - Value changes effecting other groups (5.1.00) impossible to make models in Feature requests
TheArtGunTheArtGun
4
118
TheArtGunTheArtGun
Can't click warpdeformers in Help
DeerTrashDeerTrash
1
130
KatomonKatomon
Low Bitrate on Rendered Video in Cubism in Help
Answered
CorsairZeroCorsairZero
2
248
KatomonKatomon
Please help me.. File is abnormally large and can't be exported to moc3 in Help
Answered
TITANIATITANIA
3
574
KatomonKatomon
I just turned on the Free Pro Trial, but it says that the trial has expired in Help
takumiusuitakumiusui
1
394
ookubo(staff) ookubo(staff)
Problems with clipping in Help
Answered
RiniMutoRiniMuto
1
338
CatAthenyaCatAthenya
Could Someone Give me Advice on Advanced Live2D Animation Techniques? in Help
JamesmillerJamesmiller
1
355
CatAthenyaCatAthenya
Seeking Tips for Improving Live2D Animation Skills in Help
jamjamesjamjames
1
83
CatAthenyaCatAthenya
Live2D .cmo3 filesize keeps increasing and now I can't export it as a .moc3 File in Help
caimanpoolcaimanpool
1
125
CatAthenyaCatAthenya
I am unable to click and edit in the Workspace, please help in Help
amjustleviamjustlevi
2
226
ookubo(staff) ookubo(staff)
Resetting All settings? in Help
TopaTopa
2
499
amjustleviamjustlevi
The ability to glue two warp deformers together in Feature requests
Ransom_VTRansom_VT
2
94
ookubo(staff) ookubo(staff)
I cannot delete meshes while I am using stroke mesh mapping brush in Help
mokimoki
1
205
ookubo(staff) ookubo(staff)
Having problems when exporting .moc3 in Help
LiiuxingLiiuxing
2
175
ookubo(staff) ookubo(staff)
Auto breathing in physics window stopped working in Help
Ran_THRan_TH
5
717
KamiletKamilet
I can’t export my model. in Help
Answered
MerataMerata
11
809
KatomonKatomon
CubismSdkForNative-5-r.1 FOR OpenGL in Feature Requests
fancityfancity
22
1.1K
obsidianobsidian
How can I download the old core SDK Lib file? in Help
Answered
teslatesla
1
72
yasu.o@live2dyasu.o@live2d
[5.2.0 beta]the Bezier grid of Warp Deformer disappeared in Help
KamiletKamilet
5
666
ookubo(staff) ookubo(staff)
Export .Moc error with [INFO ] Texture Atlas does not contain: [ERROR] java.util.NoSuchElementExcep in Help
PisitPisit
6
279
Enoko(Staff)Enoko(Staff)