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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
How the fuck do I rig this? Is it even possible to do so? in Help
LumiC0reLumiC0re
2
73
KatomonKatomon
Clipping mask not working in mesh deformer in Help
timidphossutimidphossu
1
62
KatomonKatomon
Purge cached atlas from memory in Feature requests
Ran_THRan_TH
1
52
ookubo(staff) ookubo(staff)
My .moc3 file is not exported in Help
Eva_BirkinEva_Birkin
12
478
Tak.W(Staff)Tak.W(Staff)
Atlas texture not saving in Help
Bel248Bel248
6
153
ookubo(staff) ookubo(staff)
Question Regarding Disabled ARC in Native Metal Sample Application in Help
yartagyartag
4
153
yartagyartag
Can't export as moc3 in Help
SamixpeedSamixpeed
1
93
ookubo(staff) ookubo(staff)
I can't export the model in Help
Answered
blivexxblivexx
4
214
blivexxblivexx
Avoid glue label overlapping in Feature requests
Ran_THRan_TH
1
52
ookubo(staff) ookubo(staff)
live2d 5.3 beta2 bug , solo mode in Bug
AlkanimateAlkanimate
2
111
Enoko(Staff)Enoko(Staff)
"Search and Replace" Feature Can't Modify Glue IDs in Bulk (Bug?) in Help
Tea_conTea_con
2
54
Enoko(Staff)Enoko(Staff)
Live2d beta2 5.3 , off screen drawing bug in Bug
AlkanimateAlkanimate
2
102
Enoko(Staff)Enoko(Staff)
"expand warp deformers based on child outside range" bug in 5.3.00 beta2 in Bug
SaeKanekoSaeKaneko
4
111
ookubo(staff) ookubo(staff)
Issues with Pro Version Free Trial in Help
KamehliaKamehlia
1
44
ookubo(staff) ookubo(staff)
Bug when using the brush tool in Bug
SaeKanekoSaeKaneko
2
91
SaeKanekoSaeKaneko
cmo3 file not opening in Help
Nikitoz9Nikitoz9
0
73
Nikitoz9Nikitoz9
3D Rotation Expression Brush in Feature Requests
Jin_KoshirouJin_Koshirou
1
53
ookubo(staff) ookubo(staff)
Change Center of rotation on Warp deformers in Feature requests
KatomonKatomon
1
94
ookubo(staff) ookubo(staff)
Model file too big, probably corrupted in Help
Answered
KittysaurrKittysaurr
4
231
ookubo(staff) ookubo(staff)
Model file too big, probably corrupted in Help
Answered Closed
KittysaurrKittysaurr
1
93
Tak.W(Staff)Tak.W(Staff)
Can't export moc3 file. in Help
HoHyHoHy
5
343
Enoko(Staff)Enoko(Staff)
I can't click on the object or the defoamer after opening the warp defoamer creation window. in Help
Answered
eunzzi_05eunzzi_05
1
72
ookubo(staff) ookubo(staff)
Physics Windows | Set output maximum % in Feature requests
QryosityQryosity
1
41
ookubo(staff) ookubo(staff)
Physics Window | Pendulum Settings: Better way to bulk edit/traverse editable range in Feature requests
CrunchyCrunchy
1
51
ookubo(staff) ookubo(staff)
Native SDK sample Metal application not working on iphonesimulator on Apple Silicon Mac in Help
yartagyartag
3
163
nakayasui(staff)nakayasui(staff)
5.3 Beta - Strange behavior with new bezier warp in Help
Ran_THRan_TH
2
131
Enoko(Staff)Enoko(Staff)
Consider BlendShape Child Keyform in Feature requests
KatomonKatomon
3
83
Enoko(Staff)Enoko(Staff)
Extended Interpolation and Linking on Blend Shapes in Feature requests
cilliacillia
5
512
Enoko(Staff)Enoko(Staff)
Live2D shortlinks in Help menu are broken in Help
Ran_THRan_TH
8
242
Enoko(Staff)Enoko(Staff)
Feature Request: Make Parameter Settings Checkmarks Draggable in Feature requests
Tea_conTea_con
2
105
Enoko(Staff)Enoko(Staff)