Cubism 5.4 Alpha Release Announcement
- 2026.07.14
- News
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We have released the alpha versions of Cubism Editor 5.4 and Cubism SDK 5.4!
We’d like to hear direct feedback from Live2D creators on the new features and improvements planned for Cubism 5.4, so we’re releasing an “alpha version” ahead of the official release!
Check out the new features on the official Live2D YouTube channel or the official Live2D Development X account!
This article contains important information for users, including an overview of the alpha version and instructions on where to submit feedback.
Thank you for reading to the end. We kindly ask for your continued support to help further the development of Live2D.
The purpose of the alpha version is to have creators evaluate the usability and performance of the new features scheduled to be included in Cubism 5.4, incorporate their feedback, and deliver a better product when the final version is released.
The alpha version is available to all users free of charge.
Feel free to post your opinions and feedback about the alpha version on social media or the official Live2D Creators Forum.
We encourage you to take this opportunity to try out the Cubism 5.4 alpha. We look forward to hearing your feedback.
We will continue to improve the features based on the feedback and requests we receive from creators who have tried the Cubism alpha version.
We will transition to the beta version once the alpha period is over, and specifications for the new Cubism version have been finalized.
During the beta phase, we will work to improve quality by fixing bugs and other issues.
Once the critical issues have been resolved and the new features are confirmed to be working smoothly, we will release the stable version.
・Alpha version period
Available until “September 14, 2026.” After this date, the alpha version will no longer be available.
Note: We may not be able to incorporate all suggestions. Thank you for your understanding.
This alpha version is a time-limited evaluation version that allows you to try out the new features and improvements scheduled for Cubism Editor 5.4 ahead of the official release.
We are providing this to gather feedback on the usability and performance of the new features.
If you plan to continue using data from a beta or release version, be sure to back up your data before proceeding.。
Please be aware of the following points before using the alpha:
Please make sure you fully understand the purpose and important notes regarding this alpha version and use it only after you have agreed to them.
Text added in Cubism 5.4 alpha may be partially modified in the Cubism 5.4 beta as needed. Thank you for your understanding.
[Q] Is it okay to install Cubism 5 and the Cubism 5.4 alpha version on the same PC?
[A] Yes, that’s fine.
Since the cache and automatic backup folders for editor settings are stored separately, Cubism 5 and the Cubism 5.4 alpha version do not affect each other.
[Q] Do I need a paid license to use the alpha version?
[A] No, even if you do not have a paid license, you can still try out the new features scheduled to be implemented in Cubism 5.4.
Note: The FREE version allows you to try the software with restrictions limited to existing features up to Cubism 5.3. For more details, please refer to the feature comparison chart.
[Q] Are there any sample models that use the new features?
[A] The Cubism SDK includes sample models that allow you to verify the operation of the Parameter Controller.
Sample models available for use in Cubism Editor are scheduled to be released at the same time as the stable version.
[Q] Can I sell models created using Cubism Editor 5.4 alpha on platforms like VGen and nizima?
Can I publish an application created using the Cubism SDK 5.4 alpha version?
[A] Please refrain from selling or distributing this product, as data compatibility cannot be guaranteed. Please use all materials solely for personal use.
[Q] Is it okay to post my opinions and impressions of the Cubism 5.4 alpha version on social media?
[A] Posting your opinions is encouraged. In such case, please post with these hashtag!
[Hashtag]#Live2D #cubism54_alpha
Please feel free to share your thoughts with us. We appreciate your cooperation!
Please share your honest feedback, opinions, and requests regarding your experience using the alpha version on the official Live2D Creators Forum and X (formerly Twitter).
Please note that our staff may not be able to fully understand the full context and content of a comment based on an X post alone. We recommend posting complex feedback that requires explanation through long texts, video, or other formats on the official Creators Forum.
Note: We cannot guarantee that a staff member will respond in any of these cases.
To post on the official Live2D Creators Forum, you’ll need to complete a simple account registration.
If you register for an account, you’ll also receive notifications about alpha version updates.
https://creatorsforum.live2d.com
[How to Create an Account on the Official Live2D Creators Forum]
▼STEP①
Go to the official Live2D Creators Forum and click “Register an Account” at the top of the page.
▼STEP②
Next, on the account creation screen, enter the information for steps ① through ④ (step ④ is optional), and then click “Create Account” (⑤).
Note: You can also create an account using your Google or X account.
Note: Your “username” will be visible to all users, so please be careful not to include any personal information or similar details.
▼STEP③
You will receive an email titled “[Live2D Creators Forum] Please Verify Your New Account.”
Click the URL in the text to log in, and you’ll be able to post on the official Live2D Creators Forum.
Please post using the Cubism 5.4 alpha hashtag.
If you could include this at the beginning of your post, it will help improve searchability, so we would appreciate your cooperation.
https://cubism.live2d.com/link/download5_4_alpha_en
