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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
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Most Recent
why are all new Parameters connected with the eye-blinck in Help
liss_lavenderliss_lavender
1
46
ookubo(staff) ookubo(staff)
Live2D物理演算が、アニメーションに反映されません。カーソルに反応はあります、足りない部分を教えていただきたいです。 in Help
Answered
AiSAiS
1
420
ookubo(staff) ookubo(staff)
Help! I cannot export for runtime :( in Help
Answered ✓
emimiemimi
2
259
emimiemimi
Cant export moc3 after updated model file from 4.2 to 5.2 in General Discussions
sam989sam989
4
155
Enoko(Staff)Enoko(Staff)
Disabling ArtMeshes (model optimization) in Help
JekSun97JekSun97
5
196
nakayasui(staff)nakayasui(staff)
Mirroring Parameters on Different ArtMeshes in Help
JekSun97JekSun97
1
62
JekSun97JekSun97
Freezing error in Help
Answered
MimicInBlenderMimicInBlender
1
90
ookubo(staff) ookubo(staff)
Can't update credit card info in Help
heroesofthedasheroesofthedas
2
196
heroesofthedasheroesofthedas
Request for account deletion in Help
ItsactuallyTeaDItsactuallyTeaD
1
32
ookubo(staff) ookubo(staff)
Add support for other image formats in Feature requests
JekSun97JekSun97
1
44
ookubo(staff) ookubo(staff)
Unity 2022.3.55 with SDK 5r3: Model Prefabs relabeling themselves to Model on Runtime in Help
TherinWhittenTherinWhitten
6
271
yasu.o@live2dyasu.o@live2d
Cubism Editor 5.2 Free version, 2 normal parameters with 1-3 Blendshapes? in Help
EstEarth202EstEarth202
4
326
ookubo(staff) ookubo(staff)
problem in making texture atlas in Help
awnzaidi15910awnzaidi15910
9
353
awnzaidi15910awnzaidi15910
Cannot Export to .moc3 (for Runtime) in Help
monsterhandholdermonsterhandholder
2
176
ookubo(staff) ookubo(staff)
1
Up
Draw Order not working properly in Reporting bugs about new features/Feedback
Active
kisaragirenkisaragiren
1
130
ookubo(staff) ookubo(staff)
각도를 사용한 호흡 물리 진자가 이상하게 작동합니다. in Help
Answered
FS2FS2
3
93
ookubo(staff) ookubo(staff)
Head input from Physics settings disappear ?!!!! in Help
Answered
REfan0213REfan0213
1
68
ookubo(staff) ookubo(staff)
Problem with export/update of Texture Atlas in Help
aviavi
6
758
ookubo(staff) ookubo(staff)
1
Up
Cannot export model as a .moc3 using the new color blending mode in Reporting bugs about new features/Feedback
Active
ZahuranecsZahuranecs
2
140
ZahuranecsZahuranecs
Different shapes for selection brush and deform brush in Feature requests
cilliacillia
1
25
ookubo(staff) ookubo(staff)
Why the parts of my model doesnt show up in the After Effects plugin? in Help
Answered
KynthíaKynthía
1
111
ookubo(staff) ookubo(staff)
Model Wont Export in Help
MikasaTheFoxMikasaTheFox
4
331
MikasaTheFoxMikasaTheFox
Can't export after updating in Help
EffieEffie
16
681
EffieEffie
Clipping layer help in Help
CroissantCroissant
1
123
aviavi
Parameters Not Working Help!!!!! in Help
makimaki
0
104
makimaki
Unable to export moc3 file at this time. in Help
neete2neete2
2
79
neete2neete2
Failed to Output Gif Animation File in Help
RamenBearVTRamenBearVT
1
69
ookubo(staff) ookubo(staff)
[5.2.03b1] Make bounding boxes align to soft selection in Help
Ran_THRan_TH
3
112
ookubo(staff) ookubo(staff)
[Feature Request] Paste Form Special for ArtMesh to be similar to Paste Form Special for Warp Deform in Feature requests
SoultyRagevinSoultyRagevin
2
118
SoultyRagevinSoultyRagevin
Mesh Edit Deform Brush Tool in Feature requests
KachaKacha
4
200
ookubo(staff) ookubo(staff)