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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
its not opening in Help
miraiimiraii
4
520
kudo(Staff)kudo(Staff)
error in Help
banditoss1997banditoss1997
3
220
kudo(Staff)kudo(Staff)
I hope that live2d modeling can be faster and more efficient needs in Feature requests
chakunchakun
0
37
chakunchakun
Live2d suddenly VERY slow in Help
katharpykatharpy
4
3.3K
kudo(Staff)kudo(Staff)
live2d forgot my license? in Help
amaryllisamaryllis
1
83
kudo(Staff)kudo(Staff)
[Unity] LookAt not working in unity v2020 in Help
BatBat
2
160
BatBat
Auto Eye Blink Input does not work in Help
yoowillnsyoowillns
2
963
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
142
yasu.o@live2dyasu.o@live2d
[BUG] Color picker is not working properly on 4K resolution in Help
Ran_THRan_TH
1
95
kudo(Staff)kudo(Staff)
Live2D Cubism Viewer Crashes Every time on new laptop in Help
kikino77kikino77
8
624
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
139
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
567
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
425
yasu.o@live2dyasu.o@live2d
Help with parameter snap in Help
HowTheTurnsTableHowTheTurnsTable
1
229
kudo(Staff)kudo(Staff)
Export not working! in Help
karriekarrie
0
253
karriekarrie
Angle X/Y in Help
KiritonekkoKiritonekko
0
309
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
27
li_li_
HELP I can't open my file in Help
mei1998mei1998
2
227
FlaminGhostFlaminGhost
My Live2d is broken I think? in Help
Asami1506Asami1506
1
195
kudo(Staff)kudo(Staff)
cant move canvas view? in Help
montymolluskmontymollusk
1
1K
kudo(Staff)kudo(Staff)
Live2d Trial expired after just downloading it in Help
pizzacrocodilepizzacrocodile
2
764
kudo(Staff)kudo(Staff)
Computer can't scan program in Help
kyle_012kyle_012
1
294
kudo(Staff)kudo(Staff)
i got this error? in Help
nekopaonekopao
1
326
kudo(Staff)kudo(Staff)
Texture disappears after adding automatic mesh? in Help
Answered
EpicGaiaEpicGaia
1
425
kudo(Staff)kudo(Staff)
Deleted/Lost Input in Help
SakuBonesSakuBones
1
930
kudo(Staff)kudo(Staff)