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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
Art not visible after creating mesh in Help
otter_computerotter_computer
1
3K
otter_computerotter_computer
Multiple Deform Paths For One Object in Feature requests
HowTheTurnsTableHowTheTurnsTable
4
980
HowTheTurnsTableHowTheTurnsTable
Does anyone know the name of these buttons? in Help
KatuzzKatuzz
1
420
Ran_THRan_TH
Live2D Editor Freeze in Animation Mode frequently in Help
houpohoupo
3
387
kudo(Staff)kudo(Staff)
Reset deformer to original state in Feature requests
Ran_THRan_TH
4
6.2K
Ran_THRan_TH
animation tab will not export more than 16 seconds in Help
helpmehelpme
2
174
kudo(Staff)kudo(Staff)
Live2D Running Very Slow in Help
pinkishdawnyapinkishdawnya
2
849
kudo(Staff)kudo(Staff)
Não consigo mais acessar Texture Atlas e partes do modelo já pronto sumiram in Help
KitsuneArtsKitsuneArts
1
41
kudo(Staff)kudo(Staff)
I can't open my cmo3 file. in Other Live2D Products and Tools (Other Photoshop Scripts, Sample Data, etc.)
nananeuenananeue
1
327
kudo(Staff)kudo(Staff)
I accidentally deleted the heavy art mesh in automatic art mesh generator. in Help
IAmReallyTiredIAmReallyTired
2
3.6K
IAmReallyTiredIAmReallyTired
I accidentally deleted the heavy art mesh in automatic art mesh generator. in Other Live2D Products and Tools (Other Photoshop Scripts, Sample Data, etc.)
IAmReallyTiredIAmReallyTired
0
48
IAmReallyTiredIAmReallyTired
I accidentally deleted the heavy art mesh in automatic art mesh generator in Other Live2D Products and Tools (Other Photoshop Scripts, Sample Data, etc.)
IAmReallyTiredIAmReallyTired
0
109
IAmReallyTiredIAmReallyTired
Copy Shape in Help
SakuBonesSakuBones
1
386
MapoTofu2700MapoTofu2700
Program Crashes whenever I try to "open" or "save as" in Help
XexusXexus
5
689
RavenXRavenX
Why Drawable Vertices always change? in Help
nevermoreberrynevermoreberry
1
51
kudo(Staff)kudo(Staff)
If I purchase the license will I be able to save my work. in Help
Answered ✓
TheKamizTheKamiz
1
258
kudo(Staff)kudo(Staff)
Live2D Cubism Editor crashing on startup in Help
SlippySlippy
3
736
SlippySlippy
[SUGGESTION] Show a warning when PSD has unsupported features in Help
Ran_THRan_TH
1
99
kudo(Staff)kudo(Staff)
seperating eye blink parameter? in Help
NotOffendingAnyoneNotOffendingAnyone
0
107
NotOffendingAnyoneNotOffendingAnyone
Disable Parameter Randomness in Feature requests
pettankonpettankon
1
908
ueno(staff)ueno(staff)
exporting problems in Help
X56HCX56HC
1
630
kudo(Staff)kudo(Staff)
Live2D Cubism isn't opening in Help
KaxtlynKaxtlyn
1
295
kudo(Staff)kudo(Staff)
Texture Atlas window won’t open. in Help
Answered
onlychuonlychu
1
280
kudo(Staff)kudo(Staff)
Problem exporting movie/mp4 in Help
hiKPhiKP
5
1.1K
kudo(Staff)kudo(Staff)
when exporting files I only recive 5 out of 7 files i need for running in vtube in Help
adhdariesadhdaries
1
117
kudo(Staff)kudo(Staff)
[BUG] Editor freeze when Export Model by shortcut in Help
Ran_THRan_TH
1
194
ueno(staff)ueno(staff)
I contacted "contact" but never received a reply in Help
armeearmee
1
157
kudo(Staff)kudo(Staff)
Please advise how to play sound .wav on Android in Help
Answered ✓
nevermoreberrynevermoreberry
1
233
kudo(Staff)kudo(Staff)
Live2D Editor loads, but crashes when opening any file type in Help
ja3robinja3robin
8
553
ja3robinja3robin
Physics won't export with model in Help
mirbirmirbir
1
743
kudo(Staff)kudo(Staff)