A Good Feature should be Save With Version...Just append the version at the end of Documment Name but Still Editing the Original Document.
There is an option for save versions with the file itself. Menu/File/Version Is this what you are looking for?
You could also try the “Save a Copy” option in the File menu…
Dear Bug Submitter, This bug has been in NEEDINFO status with no change for at least 6 months. Please provide the requested information as soon as possible and mark the bug as UNCONFIRMED. Due to regular bug tracker maintenance, if the bug is still in NEEDINFO status with no change in 30 days the QA team will close the bug as INVALID due to lack of needed information. For more information about our NEEDINFO policy please read the wiki located here: https://wiki.documentfoundation.org/QA/Bugzilla/Fields/Status/NEEDINFO If you have already provided the requested information, please mark the bug as UNCONFIRMED so that the QA team knows that the bug is ready to be confirmed. Thank you for helping us make LibreOffice even better for everyone! Warm Regards, QA Team Sun, 11 Sep 2016 21:43:24 +0200