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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
Cant export moc3 after updated model file from 4.2 to 5.2 in General Discussions
sam989sam989
4
148
Enoko(Staff)Enoko(Staff)
Disabling ArtMeshes (model optimization) in Help
JekSun97JekSun97
5
188
nakayasui(staff)nakayasui(staff)
Mirroring Parameters on Different ArtMeshes in Help
JekSun97JekSun97
1
58
JekSun97JekSun97
Freezing error in Help
Answered
MimicInBlenderMimicInBlender
1
86
ookubo(staff) ookubo(staff)
Can't update credit card info in Help
heroesofthedasheroesofthedas
2
189
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
42
ookubo(staff) ookubo(staff)
Unity 2022.3.55 with SDK 5r3: Model Prefabs relabeling themselves to Model on Runtime in Help
TherinWhittenTherinWhitten
6
259
yasu.o@live2dyasu.o@live2d
Cubism Editor 5.2 Free version, 2 normal parameters with 1-3 Blendshapes? in Help
EstEarth202EstEarth202
4
319
ookubo(staff) ookubo(staff)
problem in making texture atlas in Help
awnzaidi15910awnzaidi15910
9
338
awnzaidi15910awnzaidi15910
Cannot Export to .moc3 (for Runtime) in Help
monsterhandholdermonsterhandholder
2
170
ookubo(staff) ookubo(staff)
1
Up
Draw Order not working properly in Reporting bugs about new features/Feedback
Active
kisaragirenkisaragiren
1
123
ookubo(staff) ookubo(staff)
각도를 사용한 호흡 물리 진자가 이상하게 작동합니다. in Help
Answered
FS2FS2
3
92
ookubo(staff) ookubo(staff)
Head input from Physics settings disappear ?!!!! in Help
Answered
REfan0213REfan0213
1
66
ookubo(staff) ookubo(staff)
Problem with export/update of Texture Atlas in Help
aviavi
6
736
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
135
ZahuranecsZahuranecs
Different shapes for selection brush and deform brush in Feature requests
cilliacillia
1
23
ookubo(staff) ookubo(staff)
Why the parts of my model doesnt show up in the After Effects plugin? in Help
Answered
KynthíaKynthía
1
105
ookubo(staff) ookubo(staff)
Model Wont Export in Help
MikasaTheFoxMikasaTheFox
4
323
MikasaTheFoxMikasaTheFox
Can't export after updating in Help
EffieEffie
16
648
EffieEffie
Clipping layer help in Help
CroissantCroissant
1
114
aviavi
Parameters Not Working Help!!!!! in Help
makimaki
0
102
makimaki
Unable to export moc3 file at this time. in Help
neete2neete2
2
75
neete2neete2
Failed to Output Gif Animation File in Help
RamenBearVTRamenBearVT
1
65
ookubo(staff) ookubo(staff)
[5.2.03b1] Make bounding boxes align to soft selection in Help
Ran_THRan_TH
3
106
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
117
SoultyRagevinSoultyRagevin
Mesh Edit Deform Brush Tool in Feature requests
KachaKacha
4
190
ookubo(staff) ookubo(staff)
Augmented Physics - X parameter controlling Y parameter in Help
flubbletonflubbleton
1
103
flubbletonflubbleton
I have know idea how in Unity, how can I adjust speed animation in unity? in Help
nutrockgamernutrockgamer
0
31
nutrockgamernutrockgamer
Unable to export to moc3 file.. in Help
YSYYSY
4
188
YSYYSY