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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 - Exported CSV for Bulk Setting of Parameters doesn't include Blendshape in Feature requests
TheArtGunTheArtGun
2
64
ookubo(staff) ookubo(staff)
Why is the model file size too large？How can I fix it？ in Help
konig135679konig135679
1
206
ookubo(staff) ookubo(staff)
Layer opacity locked at 0 in Help
MisutoreMisutore
0
72
MisutoreMisutore
Brush selection tool not working in Help
MisutoreMisutore
1
94
obsidianobsidian
Is there a way to re-scale a PSD and replace it without causing mesh offset issues? in Help
KuroamaKuroama
3
245
ookubo(staff) ookubo(staff)
It doesn't let me export in Help
ChubiGumiChubiGumi
1
114
ookubo(staff) ookubo(staff)
Unable To Export Into .Moc3 in Help
SusuAwooSusuAwoo
3
154
ookubo(staff) ookubo(staff)
All texture disappeared but the meshs are present in Help
Sixie_liuSixie_liu
1
54
ookubo(staff) ookubo(staff)
Cant export file for runtime in Help
ninixqtninixqt
1
66
ookubo(staff) ookubo(staff)
HELP!! My model does not want to be exported and I get this strange error code in Help
ChubiGumiChubiGumi
2
272
ookubo(staff) ookubo(staff)
Animation Keys Lost When Changing Mirrored Object Parameters (EyeLOpen to EyeROpen) in Help
D0lphinD0lphin
1
63
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
114
ookubo(staff) ookubo(staff)
Live 2D Model Wont Export in Help
Answered
LukotsuLukotsu
9
1.3K
Enoko(Staff)Enoko(Staff)
What could be causing performance variations & issues between hardware? in Help
KuroamaKuroama
0
82
KuroamaKuroama
How to load in textures dynamically at runtime for web in Help
jubejubejubejube
4
224
nakayasui(staff)nakayasui(staff)
Visual artifacting around clipping masks in the Editor and Physics window. in Help
KuroamaKuroama
2
96
KuroamaKuroama
does the web sdk work in a server side nodejs runtime? in Help
jubejubejubejube
0
11
jubejubejubejube
Wont allow save in Help
ZynthZelusZynthZelus
2
79
ookubo(staff) ookubo(staff)
Application Startup Error in Help
kasokaso
7
372
ookubo(staff) ookubo(staff)
Need help with my model not loading anymore? in Help
Answered
CertifiedYandereCertifiedYandere
2
72
ookubo(staff) ookubo(staff)
hope Cubism window not be forced to on top when opening in Feature requests
Kibis_MolandKibis_Moland
2
62
ookubo(staff) ookubo(staff)
Cannot save my model after hours of work in Help
Answered
zhyzhazhyzha
1
46
ookubo(staff) ookubo(staff)
Can't save because of screen color in Help
REfan0213REfan0213
1
45
ookubo(staff) ookubo(staff)
Unsure how to disable preview animation in parameters. in Help
maymay
1
67
ookubo(staff) ookubo(staff)
Save blendshape settings in parameter list export in Feature requests
Ran_THRan_TH
1
31
ookubo(staff) ookubo(staff)
pro trial not working in Help
seeliebeelieseeliebeelie
1
81
ookubo(staff) ookubo(staff)
Additional Glue Controls in Feature requests
TheArtGunTheArtGun
4
219
ookubo(staff) ookubo(staff)
[BUG] Import bulk settings for parameters fails. in Feature requests
LithmarielLithmariel
4
378
ookubo(staff) ookubo(staff)
license error AE plugin in Other Live2D Products and Tools (Other Photoshop Scripts, Sample Data, etc.)
diododiodo
4
367
ookubo(staff) ookubo(staff)
Keyform Optimization in Feature requests
TheArtGunTheArtGun
3
71
ookubo(staff) ookubo(staff)