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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
Is it possible to copy a deformer setting and then flip it? in Help
ArcheiaArcheia
2
751
ArcheiaArcheia
What are you working on? in Projects, Showcase & Critiques
Announcement
[Deleted User][Deleted User]
20
1.4K
renoarenoa
How to start 2 animations in Unity at same time? in Help
MacKotMacKot
1
431
yasu.o@live2dyasu.o@live2d
Moved: How to start 2 animations in Unity at same time? in Help
Closed
Tak.W(Staff)Tak.W(Staff)
0
1
Tak.W(Staff)Tak.W(Staff)
How to derect location for differenct part of body. in Tips and Tricks
jageenjageen
1
181
yasu.o@live2dyasu.o@live2d
Collapsible/Expandable Parameter Folders in Feature requests
aidawispaidawisp
3
201
aidawispaidawisp
lipsinс in Help
akiranimeakiranime
1
61
yasu.o@live2dyasu.o@live2d
PSD import window on lower screen resolution will cut off in Help
Ran_THRan_TH
4
402
Ran_THRan_TH
Texture size error & copy/paste in Help
akiranimeakiranime
2
403
akiranimeakiranime
Tango Tango, Remade. *Possible Tutorial to be made* in Projects, Showcase & Critiques
RevianiReviani
3
272
RevianiReviani
log errors in Help
adamkeenadamkeen
9
331
[Deleted User][Deleted User]
Moved: log errors in Help
Closed
Tak.W(Staff)Tak.W(Staff)
0
1
Tak.W(Staff)Tak.W(Staff)
visual interface glitch or bug in Other Live2D Products and Tools (Other Photoshop Scripts, Sample Data, etc.)
EFUS09EFUS09
4
802
EFUS09EFUS09
Expiring license/invalid license? in Help
chocojaxchocojax
0
42
chocojaxchocojax
OpenGL error 0x0501 in Help
frandyfrandy
10
971
[Deleted User][Deleted User]
Live2D Modeller does not import a PSD. Layer count error in Help
BlackZStudiosBlackZStudios
0
361
BlackZStudiosBlackZStudios
Mapping polygons without distorting them in Tips and Tricks
TodTod
1
172
NordicNinjaNordicNinja
Live2d vs Cacani ? in Help
treninotrenino
2
371
treninotrenino
Live2D Bug: Dragging Parts not working in Help
ArcheiaArcheia
2
161
ArcheiaArcheia
Live2D Modeller Import PSD Bug in Help
ArcheiaArcheia
3
443
ArcheiaArcheia
Rehostable hostid exists (-153) in Help
chocojaxchocojax
1
601
chocojaxchocojax
Manipulating L2DEyeBlink.cs in Help
router25router25
2
121
router25router25
Moved: Manipulating L2DEyeBlink.cs in Help
Closed
Tak.W(Staff)Tak.W(Staff)
0
1
Tak.W(Staff)Tak.W(Staff)
Typescript definition problem, missing class ALive2DModel in Live2DFramework.js in Help
SupamiuSupamiu
3
121
[Deleted User][Deleted User]
Question About Live Wallpaper in Tips and Tricks
mayleenlanmayleenlan
1
162
naotaronaotaro
How to Change Expression/ motion of displayed model by a button press (C# plz) in Help
RevianiReviani
6
563
[Deleted User][Deleted User]
Is there Mac version of libLive2D.a libs for sdk Live2D_SDK_OpenGL_2.0.10_1_en? in Feature Requests
freeethfreeeth
0
61
freeethfreeeth
SimpleModel.expressionMgr.stopAllMotions() couldn't be called in Help
router25router25
0
21
router25router25
Moved: SimpleModel.expressionMgr.stopAllMotions() couldn't be called in Help
Closed
Tak.W(Staff)Tak.W(Staff)
0
1
Tak.W(Staff)Tak.W(Staff)
Flash SDK for Live2D 3.0 in Feature requests
PabsPabs
0
81
PabsPabs