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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
is the reflect tool available on the free version? in Feature requests
jooreeta_is_a_cutiejooreeta_is_a_cutie
1
63
ookubo(staff) ookubo(staff)
I have problems with installing the Material Separation Photoshop Plugin in Material Separation Photoshop Plug-in
fidan1990fidan1990
5
647
fidan1990fidan1990
Live2D Cubism (5.0.06) crashes after selecting either Pro Free Trial or normal Free Trial in Help
Answered
Aino58Aino58
5
241
ookubo(staff) ookubo(staff)
BUG-关于图层混合模式的问题 in Help
Answered
EKISAEKISA
1
98
ookubo(staff) ookubo(staff)
FEATURE UPDATE REQUEST - Match visual density of Stroke Mesh Mapping in Feature requests
TheArtGunTheArtGun
1
45
ookubo(staff) ookubo(staff)
BUG - Exported CSV for Bulk Setting of Parameters doesn't include Blendshape in Feature requests
TheArtGunTheArtGun
2
71
ookubo(staff) ookubo(staff)
Why is the model file size too large？How can I fix it？ in Help
konig135679konig135679
1
227
ookubo(staff) ookubo(staff)
Layer opacity locked at 0 in Help
MisutoreMisutore
0
82
MisutoreMisutore
Brush selection tool not working in Help
MisutoreMisutore
1
119
obsidianobsidian
Is there a way to re-scale a PSD and replace it without causing mesh offset issues? in Help
KuroamaKuroama
3
268
ookubo(staff) ookubo(staff)
It doesn't let me export in Help
ChubiGumiChubiGumi
1
127
ookubo(staff) ookubo(staff)
Unable To Export Into .Moc3 in Help
SusuAwooSusuAwoo
3
177
ookubo(staff) ookubo(staff)
All texture disappeared but the meshs are present in Help
Sixie_liuSixie_liu
1
65
ookubo(staff) ookubo(staff)
Cant export file for runtime in Help
ninixqtninixqt
1
76
ookubo(staff) ookubo(staff)
HELP!! My model does not want to be exported and I get this strange error code in Help
ChubiGumiChubiGumi
2
292
ookubo(staff) ookubo(staff)
Animation Keys Lost When Changing Mirrored Object Parameters (EyeLOpen to EyeROpen) in Help
D0lphinD0lphin
1
80
ookubo(staff) ookubo(staff)
I encountered a problem while installing an AE plugin in Other Live2D Products and Tools (Other Photoshop Scripts, Sample Data, etc.)
ivitsaivitsa
1
125
ookubo(staff) ookubo(staff)
Live 2D Model Wont Export in Help
Answered
LukotsuLukotsu
9
1.4K
Enoko(Staff)Enoko(Staff)
What could be causing performance variations & issues between hardware? in Help
KuroamaKuroama
0
89
KuroamaKuroama
How to load in textures dynamically at runtime for web in Help
jubejubejubejube
4
242
nakayasui(staff)nakayasui(staff)
Visual artifacting around clipping masks in the Editor and Physics window. in Help
KuroamaKuroama
2
109
KuroamaKuroama
does the web sdk work in a server side nodejs runtime? in Help
jubejubejubejube
0
14
jubejubejubejube
Wont allow save in Help
ZynthZelusZynthZelus
2
98
ookubo(staff) ookubo(staff)
Application Startup Error in Help
kasokaso
7
412
ookubo(staff) ookubo(staff)
Need help with my model not loading anymore? in Help
Answered
CertifiedYandereCertifiedYandere
2
80
ookubo(staff) ookubo(staff)
hope Cubism window not be forced to on top when opening in Feature requests
Kibis_MolandKibis_Moland
2
67
ookubo(staff) ookubo(staff)
Cannot save my model after hours of work in Help
Answered
zhyzhazhyzha
1
55
ookubo(staff) ookubo(staff)
Can't save because of screen color in Help
REfan0213REfan0213
1
61
ookubo(staff) ookubo(staff)
Unsure how to disable preview animation in parameters. in Help
maymay
1
78
ookubo(staff) ookubo(staff)
Save blendshape settings in parameter list export in Feature requests
Ran_THRan_TH
1
39
ookubo(staff) ookubo(staff)