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Live2D Cubism
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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
[BUG] Parameter list persists when document is closed in Help
Ran_THRan_TH
1
33
ookubo(staff) ookubo(staff)
lo que pasa es que puse modo "animación" pero no me deja mover los parámetros, que hago? in Help
Question
may_mai_ymay_mai_y
0
24
may_mai_ymay_mai_y
Can't save new file to mounted network drive in Help
Answered
wiwyvtwiwyvt
1
118
ookubo(staff) ookubo(staff)
im on free trial pro and model wont save in Help
Answered ✓
melmel123melmel123
3
448
ookubo(staff) ookubo(staff)
Model wont load (live2d cubism SKD for web) in Help
horohoro
1
145
obsidianobsidian
Ability to select and move multiple Bezier handles of Warp Deformer in Feature requests
cilliacillia
1
84
ookubo(staff) ookubo(staff)
Unable to save in Help
DizzySodaDizzySoda
6
4.7K
melmel123melmel123
Unregistered/Cannot saved in Help
kirukiru
3
438
melmel123melmel123
I deleted Breathing parameter and i need it back! in Help
HogoFogoHogoFogo
2
1.3K
melmel123melmel123
My physics window has everything greyed out but my model is moving. in Help
Answered ✓
HecateHecate
5
646
obsidianobsidian
Disable clip mask when editing mesh in Feature requests
LithmarielLithmariel
1
51
ookubo(staff) ookubo(staff)
Reflect Rotation Deformer like other types in Feature requests
CrunchyCrunchy
1
184
ookubo(staff) ookubo(staff)
Memory leak Issue in Help
BelphiDreamsBelphiDreams
3
193
ookubo(staff) ookubo(staff)
questions about body XYZ rigs in Help
trashpandariptrashpandarip
1
164
HecateHecate
Live2D parts tooltip are showing on top of other programs in Help
Ran_THRan_TH
3
195
Enoko(Staff)Enoko(Staff)
(Bug) Warning appears twice when applying keys to more than 3 Parameters in Feature requests
TheArtGunTheArtGun
5
378
Enoko(Staff)Enoko(Staff)
I can't export to .moc3, what does this error msg means!?!? in Help
Answered ✓
Vanila_XofeeVanila_Xofee
4
450
Enoko(Staff)Enoko(Staff)
making a template in Help
Answered
ButterflyBluesButterflyBlues
1
110
jooreeta_is_a_cookiejooreeta_is_a_cookie
Clipping onto multiple objects without OR in Help
Answered
CobehokCobehok
1
105
jooreeta_is_a_cookiejooreeta_is_a_cookie
Unable to Save Physics Please Help (Pro version) :( in Help
AnutahriaAnutahria
1
220
ookubo(staff) ookubo(staff)
The Live2D file opens to ibisPaint X... why??? in Help
KitKat97KitKat97
1
115
ookubo(staff) ookubo(staff)
Model Not Exporting in Help
MuirrinMuirrin
1
156
ookubo(staff) ookubo(staff)
Filter placed but unused textures in the texture atlas in Feature requests
cilliacillia
3
136
ookubo(staff) ookubo(staff)
Cant seem to open Live2dCubism editor or viewer in Help
AbyssalChoasAbyssalChoas
1
63
ookubo(staff) ookubo(staff)
Texture Atlas won't open no matter what in Help
WhittyoozeWhittyooze
3
106
ookubo(staff) ookubo(staff)
Unable to Export as mocs3 file once skinning has been added in Help
yjliu213yjliu213
3
269
ookubo(staff) ookubo(staff)
can't activate with perpetual license in Material Separation Photoshop Plug-in
tatsutaroutatsutarou
1
182
ookubo(staff) ookubo(staff)
The latest version of ive2D does not run. in Help
Answered
Nadellin_9Nadellin_9
15
1.1K
Tak.W(Staff)Tak.W(Staff)
Animation Problem in Help
KookendryKookendry
1
86
ookubo(staff) ookubo(staff)
Can't buy Live2D 3 Year Plan in Help
HarlequinBunnyHarlequinBunny
1
143
ookubo(staff) ookubo(staff)