For those wishing to use the latest and greatest ‘bleeding edge’ features and willing to risk more instability, or those wishing to test out the newly added code to help identify and debug problems in the code, access is provided to the unstable development versions of the Inkscape master branch.
The release notes draft for Inkscape 1.4 is available on the Inkscape Wiki.
Use at your own risk, and please report all bugs you find!
Inkscape 是遵循GPL的自由开源软件。