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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
Keyframes Bugging out in Other Live2D Products and Tools (Other Photoshop Scripts, Sample Data, etc.)
Aidenite98Aidenite98
0
23
Aidenite98Aidenite98
Memory and CPU usage increase when saving and when working on model in Help
Answered
SweetieEliseSweetieElise
5
1K
OnionUmeOnionUme
Cubism Delete Atalas in Help
Alukard99Alukard99
1
46
Enoko(Staff)Enoko(Staff)
One Texture Atlas in two model. in Help
Alukard99Alukard99
0
44
Alukard99Alukard99
Error -153 in Help
TsukikoVTTsukikoVT
1
82
Enoko(Staff)Enoko(Staff)
Running Live2D Cubism on Linux! ft. Wine & DXVK in Tips and Tricks
OroOro
1
10.5K
fikifowfikifow
Why does Live2D editor take so long to create deformers? in Help
Answered
ZatoTechnoirZatoTechnoir
4
249
ZatoTechnoirZatoTechnoir
Cannot add sound in Help
justmirahjustmirah
1
122
Enoko(Staff)Enoko(Staff)
The 4.2.04 beta1 version doesn't let me move parameters in Help
anzeloanzelo
2
213
anzeloanzelo
Layer Glitch in Help
peytonduhsgamingpeytonduhsgaming
0
34
peytonduhsgamingpeytonduhsgaming
Parameter Creation Defaults in Feature requests
indigo_choindigo_cho
2
205
ueno(staff)ueno(staff)
Physics cursor tracking settings is not saved properly? in Help
Ran_THRan_TH
2
143
ueno(staff)ueno(staff)
Settings of the cursor tracking > "Reflect" does not stay checked after closing Physics tab in Feature requests
dochanheedochanhee
2
184
ueno(staff)ueno(staff)
Things that i liked to see live2d cubism in future in Feature requests
harotoraharotora
1
52
Enoko(Staff)Enoko(Staff)
Model Layers Problem in Help
MiiraMoonglowMiiraMoonglow
0
315
MiiraMoonglowMiiraMoonglow
Can't Export For RunTime in Other Live2D Products and Tools (Other Photoshop Scripts, Sample Data, etc.)
naniimoyananiimoya
3
387
Enoko(Staff)Enoko(Staff)
Adding other languages to the application, and to additional applications in Feature Requests
HarakiryHarakiry
1
166
Enoko(Staff)Enoko(Staff)
Shape Warp Deformer along Bezier Handles shortcut missing in Help
pettankonpettankon
1
55
Enoko(Staff)Enoko(Staff)
Cubism Viewer Not Loading Up File - Setting Up Viewer Then Nothing in Help
CollissaCollissa
1
677
ueno(staff)ueno(staff)
Blurry Texture atlas in Help
Answered
warunwarun
1
187
ueno(staff)ueno(staff)
VM limits error in Help
Question
yobebeyobebe
0
117
yobebeyobebe
Please help me in Help
Question
qp07qp07
0
52
qp07qp07
Layers disappear when clipping Please help me. in Help
Question
yamameyamame
0
63
yamameyamame
Additional "Paste" Special Options : Only X or Y Data in Feature requests
TheArtGunTheArtGun
2
85
TheArtGunTheArtGun
Using Blendmesh stop working edit form timeline? in Help
NoireNoire
2
67
Enoko(Staff)Enoko(Staff)
[BUG] Glue binding generated ID exceeding maximum length in Help
Ran_THRan_TH
1
84
Enoko(Staff)Enoko(Staff)
Show up warning when there are unhandled exception during Export process in Feature requests
Ran_THRan_TH
1
101
Enoko(Staff)Enoko(Staff)
Como puedo solucionar capa que desaparece después de darle a standard? in Help
Question
GeryGery
0
24
GeryGery
Create Deformer for Each Individual Object in Feature requests
TheArtGunTheArtGun
1
123
Enoko(Staff)Enoko(Staff)
Lagging and Freezing after switching computers in Help
akaisuirenakaisuiren
1
206
Enoko(Staff)Enoko(Staff)