(In reply to Rafael Gattringer from comment #4)
> I would like to confirm this bug which I noticed after the upgrade from
> Xubuntu 15.04 to Xubuntu 15.10. The workaround is to click the rename button
> with the mouse instead of using the Enter key after setting the new filename.
Not for me it isn't.
I am finding that clicking the rename button is failing about 50-75% of the time and crashing the Thunar window the same as hitting enter.
This is a real problem when trying to rename a lot of files... :-/