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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
Deleted/Lost Input in Help
SakuBonesSakuBones
1
931
kudo(Staff)kudo(Staff)
Modeling 101: Clipping Mask in Tips and Tricks
renoarenoa
7
13.2K
SuziQSuziQ
Live2D Cubism Viewer Crashes before .moc3 File Can Be Loaded in Help
froyuhfroyuh
1
202
kudo(Staff)kudo(Staff)
layer disappeared when i created clipping mask in Help
birdsoccerbirdsoccer
1
231
kudo(Staff)kudo(Staff)
How can I use webcam in Cubism? in Help
Taiki20cTaiki20c
1
711
Taiki20cTaiki20c
2D Vtuber Help in Help
Monty_MulberryMonty_Mulberry
0
51
Monty_MulberryMonty_Mulberry
I am stuck! Everything works in the editor then viewer in Help
QweenShadowQweenShadow
0
81
QweenShadowQweenShadow
Features I'd like to see for ArtMesh editing (Two) in Feature requests
Lumos1tyLumos1ty
0
131
Lumos1tyLumos1ty
How to add a sound clip to a particular character in the animator? in Help
YogeshYogesh
9
3.2K
AdwitaAdwita
Help! Is my file too big?! in Help
ChomperVTChomperVT
0
572
ChomperVTChomperVT
Help! License Authentication failed in Help
TokyoMushroomTokyoMushroom
4
813
kyle_012kyle_012
Can't open current project in Cubism 4.0 in Other Live2D Products and Tools (Other Photoshop Scripts, Sample Data, etc.)
SnowingRockSnowingRock
4
735
SnowingRockSnowingRock
I open .cmo3 but nothing shown up in Help
MIZUmoiMIZUmoi
3
1.2K
Enoko(Staff)Enoko(Staff)
Live2D breaking Unity Command Line WebGL builds in Help
MikeSzMikeSz
0
182
MikeSzMikeSz
Moved: Live2D breaking Unity Command Line WebGL builds in Help
Closed
Tak.W(Staff)Tak.W(Staff)
0
1
Tak.W(Staff)Tak.W(Staff)
How do I open Live2D Cubism Pro? in Help
Norrrra1412Norrrra1412
1
71
Enoko(Staff)Enoko(Staff)
Texture Atlas Pixelated in Help
PeachSoBuuPeachSoBuu
0
351
PeachSoBuuPeachSoBuu
Cannot Edit Clip ID in Help
TheHonkinatorTheHonkinator
1
242
Enoko(Staff)Enoko(Staff)
I am thinking of buying a new laptop. in Help
Answered
YukiMisoupYukiMisoup
2
1.2K
YukiMisoupYukiMisoup
java heap space : out of memory in Help
inertia33inertia33
1
421
[Deleted User][Deleted User]
How to save with free version in Help
Answered
AoiAoi
1
1.6K
[Deleted User][Deleted User]
how to open moc file with live2d? in Help
min01min01
1
2K
[Deleted User][Deleted User]
can someone help me? i can't see my model D: in Help
Answered
mioringmiomioringmio
1
162
[Deleted User][Deleted User]
Can I change the default expression? (Facerig) in Tips and Tricks
frootsycollinsfrootsycollins
1
131
raniatogelraniatogel
Can't Import PSD file in Help
shotaboshotabo
9
4.8K
Enoko(Staff)Enoko(Staff)
live2d SDK do not support x86_64, so Google reject release build. in Help
dinhvietphudinhvietphu
3
173
[Deleted User][Deleted User]
live2d sdk for android studio in Help
Answered
catCodercatCoder
11
1.8K
catCodercatCoder
Issue with Translate,scale,... of the camera in Android SDK in Help
catCodercatCoder
0
21
catCodercatCoder
HELP: Meshes in Texture Atlas are too small for some parts in Help
gaogaogaogaogaogao
3
761
LyanikoLyaniko
Automatic Smiling? in Help
frootsycollinsfrootsycollins
0
71
frootsycollinsfrootsycollins