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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
Whole folder is selected when shift is held in Bug
AlkanimateAlkanimate
1
34
ookubo(staff) ookubo(staff)
Seeking feedback on layer prep tool for Live2D setup in General Discussions
anysplitanysplit
0
29
anysplitanysplit
ERROR-java.lang_.OutOfMemoryError in the log, and exports leave folder empty in Help
natsumeivtnatsumeivt
1
32
KatomonKatomon
Add drawables as an optional part of the CDI3 specification. in Feature requests
AzxianaAzxiana
0
35
AzxianaAzxiana
SDK for Unity Import error (Seems missing rendering material) in Cubism Viewer (for OW, for Unity)
AriAri
1
38
nakayasui(staff)nakayasui(staff)
Cubism SDK 5 R5 URP - TransparentPicking material remains assigned after initialization in Help
ElliceEllice
1
68
yasu.o@live2dyasu.o@live2d
Looking for rigging & animation checklists to audit my workflow (Self-taught, 4 years in Cubism) in Help
Answered ✓
SillyLittleOneSillyLittleOne
3
67
KatomonKatomon
My model turned red how do I fix it back? in Help
Answered
jooreeta_is_a_cookiejooreeta_is_a_cookie
2
260
SillyLittleOneSillyLittleOne
Deformer Window Snaps Back To Top With Hierarchy Changes in Help
QryosityQryosity
2
81
ookubo(staff) ookubo(staff)
Setting to toggle or change "Rotation/Warp Deformer of" prefix for deformer creation in Feature Requests
indigo_choindigo_cho
1
56
ookubo(staff) ookubo(staff)
Positioning for deformers during creation in Feature Requests
indigo_choindigo_cho
1
38
ookubo(staff) ookubo(staff)
Blendshape listed in the Model Parameter CSV in Feature Requests
indigo_choindigo_cho
1
39
ookubo(staff) ookubo(staff)
Keyboard shortcuts for the manual mesh edit area? in Feature requests
RemiFiendRemiFiend
1
50
RemiFiendRemiFiend
Unable to Download the software - 404 not found in Bug
ArunoEuMsmArunoEuMsm
1
42
ookubo(staff) ookubo(staff)
Download Problem in Help
Answered ✓
Perigon360Perigon360
1
58
ookubo(staff) ookubo(staff)
I keep getting this same error, while trying to load a live2d model in Help
Answered
KzOPKzOP
1
67
yasu.o@live2dyasu.o@live2d
A simple and free program for users to replace psd and export textures of live2d model in Feature Requests
AlkanimateAlkanimate
1
42
ookubo(staff) ookubo(staff)
5-r.5 SDK is unusable in Help
holicatholicat
5
155
holicatholicat
Request for RISC-V 32-bit Cubism Core binary — ESP32-P4 embedded AI companion project in Feature requests
cfw2214cfw2214
1
82
yasu.o@live2dyasu.o@live2d
Animation events have no function name in Help
holicatholicat
2
43
yasu.o@live2dyasu.o@live2d
Live2D 5.3 Cubism keeps crashing while doing Manual Mesh Edit in Help
fuyui962fuyui962
2
64
fuyui962fuyui962
Fading settings reset on reimport in Help
holicatholicat
2
39
holicatholicat
Animator Controller reference removed after update in Help
holicatholicat
2
45
holicatholicat
Animation playback speed not being respected in Help
holicatholicat
5
247
holicatholicat
I need help because my file appears to be corrupted in Help
Cheryl_wintersCheryl_winters
1
61
KatomonKatomon
Model won't open. in Help
Answered
Bug_VTBug_VT
2
60
ookubo(staff) ookubo(staff)
Feature Request: Allow Blendshape limit to go -100% in Feature requests
AlkanimateAlkanimate
1
49
ookubo(staff) ookubo(staff)
Feature request: Proportional resizing in Feature requests
argamawitchargamawitch
1
40
ookubo(staff) ookubo(staff)
Feature request: Gravity Tool in Feature requests
argamawitchargamawitch
1
24
ookubo(staff) ookubo(staff)
Feature request: Locking Mesh to mesh in Feature requests
argamawitchargamawitch
1
39
ookubo(staff) ookubo(staff)