Gerard Meijssen via Commons-l, 15/01/19 09:25:
I do understand the benefit of sharing files.
What I fail to understand is how this will be better than using files
There is no contradiction. The main difference between this extension
and the current systems for transfer to Commons is that the extension is
able to preserve the edit and upload history of the local file. German
wikipedians still hold strong opinions about the preservation of edit
history for purposes of attribution, although it's no longer required