> The rationale for this behavior is mostly that [having a unified clipboard] has a lot of problems, namely:
> - inconsistent with Mac/Windows
> - confusingly, selecting anything overwrites the clipboard
> - not efficient with a tool such as xclipboard [(tool that maintains a history of specifically CLIPBOARD; it would be messy to keep a history of all selections)]
> - you should be able to select text, then paste the clipboard over it, but that doesn’t work if the selection and clipboard are the same
> - the Copy menu item is useless and does nothing, which is confusing
> - if you think of PRIMARY as the current selection, Cut doesn’t make any sense since the selection simultaneously disappears and becomes the current selection
Except it's not a bug that found use. It's intentional behavior. From https://specifications.freedesktop.org/clipboard/latest/:
> The rationale for this behavior is mostly that [having a unified clipboard] has a lot of problems, namely:
> - inconsistent with Mac/Windows
> - confusingly, selecting anything overwrites the clipboard
> - not efficient with a tool such as xclipboard [(tool that maintains a history of specifically CLIPBOARD; it would be messy to keep a history of all selections)]
> - you should be able to select text, then paste the clipboard over it, but that doesn’t work if the selection and clipboard are the same
> - the Copy menu item is useless and does nothing, which is confusing
> - if you think of PRIMARY as the current selection, Cut doesn’t make any sense since the selection simultaneously disappears and becomes the current selection