#### Steps to reproduce: <!-- Describe what you did (step-by-step) so we can reproduce: --> - open Inkscape - open document with a 1268 object types and nodes - try to duplicate or copy an object or drawing with a lot of nodes - inkscape freezes and stops responding - takes forever to duplicate or copy the object or part of the drawing - adobe illustrator is fine and copy and pastes things with no issue #### Inkscape Version and Operating System: - Inkscape Version: ... Inkscape 0.92.4 (5da689c313, 2019-01-14) - Operating System: ... Windows 10 - Operating System version: ... 16gb ram, 500gb ssd hard drive, AMD A8 CPU <!-- Example file: Attach a sample file (or files) highlighting the issue, if appropriate. -->  <!-- **Thank you for filling in a new bug report!** *More details on how to write a good bug report can be found at https://inkscape.org/contribute/report-bugs/. Please remember that Inkscape is developed mostly by volunteers in their spare time, and may not be able to respond to reports quickly.* -->