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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
Program freezes when exporting as .moc3 file. Texture atlas window not prompting. in Help
Answered
picklepickle
2
326
Enoko(Staff)Enoko(Staff)
What looks different on the edit screen, physical connection, and blend settings. in Other Live2D Products and Tools (Other Photoshop Scripts, Sample Data, etc.)
Answered
peporilpeporil
2
115
obsidianobsidian
Live2D 5.0 alpha won't open in Help
Marzia_EvansMarzia_Evans
6
832
Enoko(Staff)Enoko(Staff)
No highlight when selecting something from the view parameter or deformer in Help
Answered
kashukashu
2
145
NomadicNomadic
LookController & UI in Help
Question
no5187no5187
0
76
no5187no5187
Moved: LookController & UI in Help
Closed
Tak.W(Staff)Tak.W(Staff)
0
1
Tak.W(Staff)Tak.W(Staff)
Very Strange Colour Shift in Exported Movie in Help
skycompassskycompass
2
588
skycompassskycompass
OpenGL Initalization Failed in Help
MitchuoMitchuo
24
5.4K
arhguarhgu
Skinning parameters set but missing from palette in Help
KwiinaKwiina
1
129
KwiinaKwiina
Moved: Animation Transition (Blend) in Help
Closed
Tak.W(Staff)Tak.W(Staff)
0
1
Tak.W(Staff)Tak.W(Staff)
Animation Transition (Blend) in Help
Answered ✓
no5187no5187
1
234
yasu.o@live2dyasu.o@live2d
Live2D won't open in Other Live2D Products and Tools (Other Photoshop Scripts, Sample Data, etc.)
anhuaanhua
3
599
Enoko(Staff)Enoko(Staff)
Frame drops in Unity in Help
SergSSergS
1
154
yasu.o@live2dyasu.o@live2d
Panty&Demons chain match3 with live2d workshop integration in Projects, Showcase & Critiques
MacKotMacKot
0
179
MacKotMacKot
I keep getting this "Sorry, an error occurred at startup. Please contact Customer Support." Pop up in Help
Answered
KanakoKanako
9
706
Enoko(Staff)Enoko(Staff)
.moc3 file refuses to export in Help
JJDESPAIRJJDESPAIR
1
50
Enoko(Staff)Enoko(Staff)
Is it possible to program a model on a certain phrase so it animates automatically? in Help
Question
ParararapamParararapam
0
38
ParararapamParararapam
Add Opacity for Parts folder in Feature requests
Ran_THRan_TH
0
56
Ran_THRan_TH
Moved: Can't save model file, "Requested Array Size Exceeds VM limit" in Help
Closed
Tak.W(Staff)Tak.W(Staff)
0
1
Tak.W(Staff)Tak.W(Staff)
Can't save model file, "Requested Array Size Exceeds VM limit" in Help
QmoriQmori
1
107
QmoriQmori
Please help fix the error.. in Help
Answered
handaronghandarong
1
224
Enoko(Staff)Enoko(Staff)
Please help me fix the error.. in Help
Question
handaronghandarong
0
77
handaronghandarong
Every time I try to export my animation with a transparent background, I get some kind of antilasing in Help
missnamismissnamis
0
57
missnamismissnamis
Unable to load.. in Help
KumaAkkariKumaAkkari
1
545
obsidianobsidian
Every time I try to export my animation with a transparent background, I get some kind of "saw teeth in Other Live2D Products and Tools (Other Photoshop Scripts, Sample Data, etc.)
missnamismissnamis
13
1.3K
missnamismissnamis
missing parameter keyframes in export in Help
vtcwatvtcwat
1
159
Enoko(Staff)Enoko(Staff)
Connected vs unconnected vertices in Help
Ran_THRan_TH
9
324
Ran_THRan_TH
MODEL NOT LOADING? HELP in Help
TotallyGhostJojoTotallyGhostJojo
1
516
Enoko(Staff)Enoko(Staff)
Archive and Upload Metal Demo Sample to Testflight in Help
Answered
sinahimesinahime
1
95
Enoko(Staff)Enoko(Staff)
Please help me to add lip sync function to the given demo(sdk for native) in Help
shinamahirushinamahiru
1
115
obsidianobsidian