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if you copy some line of code either cut or copy, and do some line erasing using <shift+Del>, after that you want to paste the copied/cuted line of code than only empty line will appear
Could you please elaborate a little more ? Shift-DEL is a standard shortcut for "Cut", so if you use CTRL-C, then Shift-DEL, you actually overwrite the clipboard contents with the erased line. Please do not set target milestone. It's up to the development to decide what version(s) the fix should be propagated to.