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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
Live2D & flame effect in Tips and Tricks
naotaronaotaro
3
1.8K
zeuszeus
pvrtc4 textureformat is not supportted in cocos2d-x? in Help
song920song920
2
31
[Deleted User][Deleted User]
Marmalade Quick and Cubism SDK in Help
jarezzzjarezzz
1
31
[Deleted User][Deleted User]
white theme in Feature Requests
renoarenoa
4
531
[Deleted User][Deleted User]
Deformers respond like photoshop's Transform tool in Feature requests
renoarenoa
0
121
renoarenoa
Live 2d Model doesn't show up in Live 2d viewer in Help
REALseasonableREALseasonable
4
991
REALseasonableREALseasonable
Templete Request in Tips and Tricks
TheGamingTurretTheGamingTurret
4
471
[Deleted User][Deleted User]
Question - add event listeners to parts in Help
RusRus
8
662
naotaronaotaro
My exported model isn't deforming in Live2d Viewer the same way it does in Modeler. in Help
CaraCara
4
521
[Deleted User][Deleted User]
Question - Getting x & y coordinates of a Live2D Model Part | Cubism, JS in Help
RusRus
1
201
naotaronaotaro
Questions about the Viewer in Other Live2D Products and Tools (Other Photoshop Scripts, Sample Data, etc.)
riverbladeriverblade
3
111
[Deleted User][Deleted User]
Character's motions in Animator in Help
riverbladeriverblade
1
71
renoarenoa
Question - Display part of the Live2D Model | Cubism | JS in Help
RusRus
3
141
RusRus
Questions on Character Idle Motion & Hit Area Response in Help
riverbladeriverblade
1
1.1K
[Deleted User][Deleted User]
Having trouble with texture resizing in Help
PeakJumpPeakJump
4
3.3K
[Deleted User][Deleted User]
Drag an item from one texture to another in Feature requests
[Deleted User][Deleted User]
2
231
[Deleted User][Deleted User]
Using the new polygon margin settings in Tips and Tricks
masa.s@live2dmasa.s@live2d
5
431
masa.s@live2dmasa.s@live2d
invisible masking + auto stroke in Feature requests
renoarenoa
7
2.1K
renoarenoa
Dynamically Changing Model in Help
AduraAdura
8
681
[Deleted User][Deleted User]
Moved: Dynamically Changing Model in Help
Closed
Tak.W(Staff)Tak.W(Staff)
0
1
Tak.W(Staff)Tak.W(Staff)
[Question] How to modify deformers efficiently? in Help
Ran_THRan_TH
0
51
Ran_THRan_TH
Live2d issue with Unity5.3? in Help
hizzyhizzy
7
301
[Deleted User][Deleted User]
Moved: Live2d issue with Unity5.3? in Help
Closed
Tak.W(Staff)Tak.W(Staff)
0
1
Tak.W(Staff)Tak.W(Staff)
'Indie Business' Category. in Feature Requests
CBeamCBeam
6
281
CBeamCBeam
Weird animation when I export from Cubism Animator in Help
ultramoozultramooz
11
1K
[Deleted User][Deleted User]
English documentation in Feature Requests
[Deleted User][Deleted User]
0
81
[Deleted User][Deleted User]
Moved: English documentation in Feature Requests
Closed
Tak.W(Staff)Tak.W(Staff)
0
1
Tak.W(Staff)Tak.W(Staff)
Looking for Live2D Expert For Rev-Share Game in Projects, Showcase & Critiques
weirdthingweirdthing
0
61
weirdthingweirdthing
Mapping Polygons Inconvenience in Feature requests
MayhemMayhem
2
441
MayhemMayhem
How to make character respond to touch? in Help
riverbladeriverblade
8
2.4K
[Deleted User][Deleted User]