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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
RAM Capping at 2G in Help
NamiAthenaNamiAthena
1
827
Enoko(Staff)Enoko(Staff)
can't export moc3 file in version 5.0 in Help
yeenyeen
2
194
yeenyeen
Unable To Change Lock Screen Timeout in General Discussions
Answered
Tonyhaler1Tonyhaler1
3
112
obsidianobsidian
Creating a separate branch for the Renpу engine in Feature Requests
HarakiryHarakiry
1
238
Tak.W(Staff)Tak.W(Staff)
"Failed to initialize OpenGL" error box. Can't open the software. in Help
mttsczmttscz
2
596
mttsczmttscz
live2d doesn't export .moc3 file in Help
ryaaryaa
4
479
live2dgirl2023live2dgirl2023
Editor 5.0 - Auto generate face motion Error in Help
scarlilovescarlilove
2
557
scarlilovescarlilove
Cubism 5 Duplicate Parameter ID in Help
ARSARS
3
142
ueno(staff)ueno(staff)
Parameters not moving in Help
faythefaefaythefae
1
873
faythefaefaythefae
Help with blinking! eyeOpen & eyeball x y not syncing in Help
ArvyMinskArvyMinsk
1
650
faythefaefaythefae
Unable to launch Live2D Cubism Editor in Help
vvalentinevvalentine
1
124
obsidianobsidian
Editor 5.0 - Auto generate face motion not working. in Help
scarlilovescarlilove
0
45
scarlilovescarlilove
Validate compatible features for selected version in Feature requests
Ran_THRan_TH
0
66
Ran_THRan_TH
Clipping broken bug when two layers both have clipping and stand together. in Help
Kibis_MolandKibis_Moland
0
135
Kibis_MolandKibis_Moland
Editor 5.0 Beta 2 - Auto generate face motion not working. in Help
AzatoStaciaAzatoStacia
7
661
Enoko(Staff)Enoko(Staff)
Difficulties registering license in beta 5.0 in Help
anhuaanhua
2
94
Enoko(Staff)Enoko(Staff)
Source Image Files and Eye Question in Help
Answered ✓
HeshillionHeshillion
2
186
HeshillionHeshillion
Keyboard shortcut window not showing in Help
DanybriDanybri
7
326
Enoko(Staff)Enoko(Staff)
Where to download beta? in Help
anhuaanhua
1
262
obsidianobsidian
Configurable Application Scale in Feature requests
Ran_THRan_TH
3
116
Enoko(Staff)Enoko(Staff)
Clipping Mask layer disappears in Unity in Help
GreitGreit
1
326
yasu.o@live2dyasu.o@live2d
Moved: Clipping Mask layer disappears in Unity in Help
Closed
Tak.W(Staff)Tak.W(Staff)
0
1
Tak.W(Staff)Tak.W(Staff)
Mesh/Model Image target for Detect Atlas Overlap in Feature requests
Ran_THRan_TH
0
13
Ran_THRan_TH
5.0.00 Beta feedback - Deform brush UI is broken in Help
bilvyybilvyy
5
236
Enoko(Staff)Enoko(Staff)
Editor 5.0 Beta 1 UI issue - Window artifact appears under mouse when hovering over UI in Help
KuroamaKuroama
8
413
Enoko(Staff)Enoko(Staff)
多层级播放动画跳动问题 in Help
fssh10086fssh10086
0
102
fssh10086fssh10086
Moved: 多层级播放动画跳动问题 in Help
Closed
Tak.W(Staff)Tak.W(Staff)
0
1
Tak.W(Staff)Tak.W(Staff)
Model physics not 100% accurate in Unity in Help
Answered
GreitGreit
1
270
limcm5limcm5
Moved: Model physics not 100% accurate in Unity in Help
Closed
Tak.W(Staff)Tak.W(Staff)
0
1
Tak.W(Staff)Tak.W(Staff)
Moved: Loading animations in runtime from an "StreamingAssets" folder in Help
Closed
Tak.W(Staff)Tak.W(Staff)
0
1
Tak.W(Staff)Tak.W(Staff)