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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
More options for Expand Warp based on Child in Feature requests
Ran_THRan_TH
1
42
ookubo(staff) ookubo(staff)
5.3.00 Unintended Behavior - New Feature Expanding Warp Deformer in Help
KatomonKatomon
3
94
KatomonKatomon
Move keyframes easly in Feature requests
NoireNoire
7
335
NoireNoire
Physics Window Not Opening/Loading in Help
mandorinartmandorinart
1
47
ookubo(staff) ookubo(staff)
[Feature Request] "Set Vertex Flow"–like tool for smoother mesh & "Loop Edge" selection tool in Feature requests
Tea_conTea_con
1
65
ookubo(staff) ookubo(staff)
Pixel art support in Feature requests
JekSun97JekSun97
9
445
JekSun97JekSun97
Auto connect broke, meshing not working in Bug
AlderanAlderan
1
48
ookubo(staff) ookubo(staff)
Stroke Mesh-Mapping - Variable Density in Feature requests
KatomonKatomon
1
46
ookubo(staff) ookubo(staff)
Cleaner Display of Parts Request in Feature requests
TheArtGunTheArtGun
2
45
ookubo(staff) ookubo(staff)
Change vertices' opacity in Feature requests
HobiHobi
1
63
ookubo(staff) ookubo(staff)
Filtering groups name in Parts palette in Feature requests
Ran_THRan_TH
2
42
ookubo(staff) ookubo(staff)
Can't copy or paste! in Help
Answered
cimorrocimorro
3
123
KatomonKatomon
(5.3 Beta) Option to toggle old artmesh paste behavior in Feature requests
QryosityQryosity
12
459
KatomonKatomon
[BUG] Beta3 5.3.00 - Curve Editing in Help
KatomonKatomon
12
273
KatomonKatomon
gif help in Help
jonculouswonkjonculouswonk
1
53
KatomonKatomon
Cannot open Cubism Editor on Mac M4 in Help
BARSreeBARSree
9
218
BARSreeBARSree
Transparency disappears when saving animation in Help
AmmfiTeaAmmfiTea
3
127
KatomonKatomon
Everytime i try to export a model but i keep getting a erorr in Help
Yoi_TenshiYoi_Tenshi
4
195
ookubo(staff) ookubo(staff)
Can I get Cubism 5 SDK for Android that works on 32bit system (like armeabi-v7a)? in Help
Answered
JeffChenJeffChen
1
56
ookubo(staff) ookubo(staff)
Vtuber import problem in Help
TheRatFaceTheRatFace
2
111
ookubo(staff) ookubo(staff)
Help, I can't export the moc3 file in Help
dao_daodao_dao
7
197
ookubo(staff) ookubo(staff)
Editor freezing with almost every action related to keyframes and deformers in Help
xtelixxtelix
1
57
xtelixxtelix
OpenJDK Memory Spike When Launching Live2D Cubism (Possible Memory Leak?) in Help
shin239849shin239849
3
111
shin239849shin239849
How the fuck do I rig this? Is it even possible to do so? in Help
LumiC0reLumiC0re
2
74
KatomonKatomon
Clipping mask not working in mesh deformer in Help
timidphossutimidphossu
1
65
KatomonKatomon
Purge cached atlas from memory in Feature requests
Ran_THRan_TH
1
45
ookubo(staff) ookubo(staff)
My .moc3 file is not exported in Help
Eva_BirkinEva_Birkin
12
419
Tak.W(Staff)Tak.W(Staff)
Atlas texture not saving in Help
Bel248Bel248
6
138
ookubo(staff) ookubo(staff)
Question Regarding Disabled ARC in Native Metal Sample Application in Help
yartagyartag
4
136
yartagyartag
Can't export as moc3 in Help
SamixpeedSamixpeed
1
72
ookubo(staff) ookubo(staff)