All non-Windows platforms: Copying/pasting cards doesn't work

[halian]

On any platform other than Windows, I cannot paste cards after cutting or copying cards; instead, nothing happens.

[PowerOfVoid]

I am experiencing this bug as well.

Linux Mint 20.2 (64-bit)

$ aptitude versions libwxgtk3.0-gtk3-dev
Package libwxgtk3.0-gtk3-dev:                              
i   3.0.4+dfsg-15build1                           focal                     500
$ aptitude versions libboost-dev
Package libboost-dev:                              
i   1.71.0.0ubuntu2                               focal                     500
$ aptitude versions libboost-regex-dev
Package libboost-regex-dev:                              
i   1.71.0.0ubuntu2                               focal                     500
$ aptitude versions libhunspell-dev
Package libhunspell-dev:                              
i   1.7.0-2build2                                 focal                     500 

$ magicseteditor --version
Magic Set Editor
Version 2.1.2