If the "Update Pasteboard when CLIPBOARD changes" option is checked then copy/pasting a vector graphical item in Inkscape will paste a bitmap representation of that item instead of a vector copy. To be precise, this is using Edit->Copy and Edit->Paste in the Inkscape menu.
The desired behavior is that it pastes a vector graphics object, which is what happens when the "Update Pasteboard..." option is unchecked.
Also affects Fontforge.
Related report in Inkscape's bug tracker:
Bug #307005: “osx: copy & paste inserts a bitmap copy instead of the vector object”
> Comment(by jeremyhu@…):
> I understand the issues involved here, and it is an issue beyond loosing
> vectorized data in images. However, there is an easy workaround, and it
> is not a regression when that workaround is enabled. It is on the list of
> issues to tackle, but unfortunately that list is quite large (and extends
> far beyond just XQuartz in my case).
> The code that handles this is all open source and available in
> hw/xquartz/pbproxy. If it's something that you want to tackle, I'd gladly
> discuss options on xquartz-dev and accept patches.
-- GitLab Migration Automatic Message --
This bug has been migrated to freedesktop.org's GitLab instance and has been closed from further activity.
You can subscribe and participate further through the new bug through this link to our GitLab instance: https://gitlab.freedesktop.org/xorg/xserver/issues/746.