How can I limit the canvas size

[jack361]

• [√ ] I agree to follow the Code of Conduct that this project adheres to.
• [ √] I have searched the issue tracker for a feature request that matches the one I want to file, without success.

How can I limit the canvas size instead of letting the canvas expand infinitely, such as setting the canvas size to 1920×1080, where the pattern cannot be placed or the excess will not be displayed after publication

[Y121]

It works. I need it, too

[happy08]

count on more +1 for this feature

[alderg]

Please describe the requirements in more detail (eg. per file, globally, via API call, in embed mode etc).