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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
Why model shows some strokes? (CubismNative SDK 3.3 + cocos2dx) in Help
zhouqizhouqi
3
111
zhouqizhouqi
Live2D Pricing for one-time-purchases vs. subscriptions in General Discussions
moatddmoatdd
0
2.8K
moatddmoatdd
problems with animation in Help
akiranimeakiranime
0
91
akiranimeakiranime
Aliasing in Unity in Help
reuben364reuben364
2
351
[Deleted User][Deleted User]
Cubism 3.1, not starting - only splash screen in Help
RayjiiRayjii
3
331
RayjiiRayjii
Cubism 3.0 launch error in Help
radius156radius156
8
361
[Deleted User][Deleted User]
Deactivate License in Feature Requests
ExaydaExayda
1
531
[Deleted User][Deleted User]
Help for Live2d texture corruption in Help
LonghronShenLonghronShen
0
51
LonghronShenLonghronShen
Cubism 3.0 launch error in Other Live2D Products and Tools (Other Photoshop Scripts, Sample Data, etc.)
radius156radius156
1
91
radius156radius156
Hiring Live2D Experts in General Discussions
JamesAJamesA
0
21
JamesAJamesA
Hiring Live2D Experts in Projects, Showcase & Critiques
JamesAJamesA
0
201
JamesAJamesA
Visual discrepancy in 0.0 and -0.0 parameter keyform in Help
Ran_THRan_TH
0
141
Ran_THRan_TH
Unable to import *.psd-file. in Help
RandiumRandium
1
571
Ran_THRan_TH
Any way to place a 2D model in a tumblr theme? in Help
LazyHydraLazyHydra
1
51
renoarenoa
More than 1 custom animation Live2D in Help
PinteracPinterac
0
121
PinteracPinterac
Using SDK 3.0 Physics for .moc (previous) file in Help
Harvest_HunterHarvest_Hunter
1
271
Ran_THRan_TH
Ren's experiments in Projects, Showcase & Critiques
renoarenoa
12
972
FüchsinFüchsin
how to export video in Cubism 3.x? in Help
renoarenoa
2
201
renoarenoa
Modeller Cubism 2.0 does not have "revert to original shape"? in Help
CvCeroCvCero
0
301
CvCeroCvCero
license activation failled again, in Help
baewoomuigisulbaewoomuigisul
1
131
[Deleted User][Deleted User]
Question about importing model in Help
starlessstarless
9
1.3K
[Deleted User][Deleted User]
Moved: Question about importing model in Help
Closed
Tak.W(Staff)Tak.W(Staff)
0
1
Tak.W(Staff)Tak.W(Staff)
Where selection? in Help
akiranimeakiranime
1
11
FxaYuanFxaYuan
Looking for somone to model a character in Projects, Showcase & Critiques
coolcolinccoolcolinc
0
91
coolcolinccoolcolinc
Request for facerig in Projects, Showcase & Critiques
coolcolinccoolcolinc
0
191
coolcolinccoolcolinc
csmVertexPositionsDidChange never resets Cubism3.0 Native in Help
NisiNisi
1
61
[Deleted User][Deleted User]
Unable to see model track in timeline[Cubism 3.0.12] in Help
JinjooHatJinjooHat
6
211
JinjooHatJinjooHat
Is mtn files still supports in Cubism3? in Help
MacKotMacKot
2
771
[Deleted User][Deleted User]
Moved: Is mtn files still supports in Cubism3? in Help
Closed
Tak.W(Staff)Tak.W(Staff)
0
1
Tak.W(Staff)Tak.W(Staff)
Thank you for responding to my request. in Feature Requests
akiranimeakiranime
5
873
akiranimeakiranime