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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
Copying Multiple Forms/Deformers Not Working (attempted Blend Form) in Help
IceySkiezIceySkiez
2
121
ookubo(staff) ookubo(staff)
Cubism 5.2: Pasting multiple forms issue in Help
dochanheedochanhee
2
105
ookubo(staff) ookubo(staff)
Can't Export the file to moc3 file in Help
vntxarvntxar
7
319
KatomonKatomon
Exporting error message in Help
elieli
1
108
KatomonKatomon
Any Key frame typing 100 goes to 0, mouse drag infinitely goes to 0. in Help
WindWind
1
13
ookubo(staff) ookubo(staff)
Help: is there any way to do more accurate in making something bigger with a deformer in Help
ItsactuallyTeaDItsactuallyTeaD
1
50
KatomonKatomon
Help in the animator I dragged the bottom part down and now I can’t see the timeline in Help
ItsactuallyTeaDItsactuallyTeaD
2
74
ItsactuallyTeaDItsactuallyTeaD
[Download]Cubism SDK for Unreal Engine R1 alpha5 in Download
Announcement
Tak.W(Staff)Tak.W(Staff)
0
185
Tak.W(Staff)Tak.W(Staff)
I need help I can't use Live2D!! in Help
yakkefishyakkefish
1
163
ookubo(staff) ookubo(staff)
Live2d won't load in my psd file- in Help
stuffiestuffie
1
253
ookubo(staff) ookubo(staff)
Unable to export to moc3 file in Help
Answered ✓
PrasertPrasert
2
150
PrasertPrasert
unity Parameter slider bug? in Help
IkedadaIkedada
1
95
yasu.o@live2dyasu.o@live2d
My backup save isn't working, nor normal save. in Help
SpiralofdollsSpiralofdolls
1
58
ookubo(staff) ookubo(staff)
Need a way to 'Flip Face Orientation' in Feature requests
KamiletKamilet
4
193
ookubo(staff) ookubo(staff)
Feature Request - Move Multiple Parameters in Feature requests
mynemomomynemomo
3
84
mynemomomynemomo
PRIORITY PHYSICS BUG - Value changes effecting other groups (5.1.00) impossible to make models in Feature requests
TheArtGunTheArtGun
4
138
TheArtGunTheArtGun
Can't click warpdeformers in Help
DeerTrashDeerTrash
1
161
KatomonKatomon
Low Bitrate on Rendered Video in Cubism in Help
Answered
CorsairZeroCorsairZero
2
287
KatomonKatomon
Please help me.. File is abnormally large and can't be exported to moc3 in Help
Answered
TITANIATITANIA
3
603
KatomonKatomon
I just turned on the Free Pro Trial, but it says that the trial has expired in Help
takumiusuitakumiusui
1
428
ookubo(staff) ookubo(staff)
Problems with clipping in Help
Answered
RiniMutoRiniMuto
1
369
CatAthenyaCatAthenya
Could Someone Give me Advice on Advanced Live2D Animation Techniques? in Help
JamesmillerJamesmiller
1
375
CatAthenyaCatAthenya
Seeking Tips for Improving Live2D Animation Skills in Help
jamjamesjamjames
1
89
CatAthenyaCatAthenya
Live2D .cmo3 filesize keeps increasing and now I can't export it as a .moc3 File in Help
caimanpoolcaimanpool
1
143
CatAthenyaCatAthenya
I am unable to click and edit in the Workspace, please help in Help
amjustleviamjustlevi
2
245
ookubo(staff) ookubo(staff)
Resetting All settings? in Help
TopaTopa
2
531
amjustleviamjustlevi
The ability to glue two warp deformers together in Feature requests
Ransom_VTRansom_VT
2
112
ookubo(staff) ookubo(staff)
I cannot delete meshes while I am using stroke mesh mapping brush in Help
mokimoki
1
226
ookubo(staff) ookubo(staff)
Having problems when exporting .moc3 in Help
LiiuxingLiiuxing
2
197
ookubo(staff) ookubo(staff)
Auto breathing in physics window stopped working in Help
Ran_THRan_TH
5
752
KamiletKamilet