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Live2D Cubism
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Cubism Editor Manual    Cubism Editor Tutorial    Cubism SDK Manual    Cubism SDK Tutorial
[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
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Most Recent
live2d forgot my license? in Help
amaryllisamaryllis
1
64
kudo(Staff)kudo(Staff)
[Unity] LookAt not working in unity v2020 in Help
BatBat
2
152
BatBat
Auto Eye Blink Input does not work in Help
yoowillnsyoowillns
2
946
yasu.o@live2dyasu.o@live2d
Moved: Auto Eye Blink Input does not work in Help
Closed
Tak.W(Staff)Tak.W(Staff)
0
1
Tak.W(Staff)Tak.W(Staff)
Bug on open and close eye parameter. in Help
anotherNPCanotherNPC
1
133
yasu.o@live2dyasu.o@live2d
[BUG] Color picker is not working properly on 4K resolution in Help
Ran_THRan_TH
1
85
kudo(Staff)kudo(Staff)
Live2D Cubism Viewer Crashes Every time on new laptop in Help
kikino77kikino77
8
589
kikino77kikino77
[BUG] Editor window state messed up when you scroll outside a non-modal window and bugs post-4.0.07 in Help
Ran_THRan_TH
3
133
Ran_THRan_TH
Parameters are set but my head still wont turn in Help
ArwenScootsArwenScoots
1
2.1K
ArwenScootsArwenScoots
Live2D Viewer will not let me open any files in Other Live2D Products and Tools (Other Photoshop Scripts, Sample Data, etc.)
ruutuliruutuli
1
562
kudo(Staff)kudo(Staff)
Reflection Not Evenly Centered in Help
Question
poncecoolponcecool
0
1.6K
poncecoolponcecool
Automatic Mesh Generator in Help
XinJieXinJie
2
2.4K
Naida_nwnNaida_nwn
Multiple models when using TranslateRelative() in Help
Answered ✓
catCodercatCoder
9
400
yasu.o@live2dyasu.o@live2d
Help with parameter snap in Help
HowTheTurnsTableHowTheTurnsTable
1
222
kudo(Staff)kudo(Staff)
Export not working! in Help
karriekarrie
0
246
karriekarrie
Angle X/Y in Help
KiritonekkoKiritonekko
0
304
KiritonekkoKiritonekko
Problems keeping resolution while making a texture atlas in Help
uareapirateuareapirate
2
2.2K
SilverStarSilverStar
My PSD files will not open in Help
li_li_
1
14
li_li_
HELP I can't open my file in Help
mei1998mei1998
2
218
FlaminGhostFlaminGhost
My Live2d is broken I think? in Help
Asami1506Asami1506
1
184
kudo(Staff)kudo(Staff)
cant move canvas view? in Help
montymolluskmontymollusk
1
994
kudo(Staff)kudo(Staff)
Live2d Trial expired after just downloading it in Help
pizzacrocodilepizzacrocodile
2
757
kudo(Staff)kudo(Staff)
Computer can't scan program in Help
kyle_012kyle_012
1
281
kudo(Staff)kudo(Staff)
i got this error? in Help
nekopaonekopao
1
314
kudo(Staff)kudo(Staff)
Texture disappears after adding automatic mesh? in Help
Answered
EpicGaiaEpicGaia
1
413
kudo(Staff)kudo(Staff)
Deleted/Lost Input in Help
SakuBonesSakuBones
1
923
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
194
kudo(Staff)kudo(Staff)
layer disappeared when i created clipping mask in Help
birdsoccerbirdsoccer
1
223
kudo(Staff)kudo(Staff)
How can I use webcam in Cubism? in Help
Taiki20cTaiki20c
1
693
Taiki20cTaiki20c