A bug report has been submitted: https://bugs.freedesktop.org/show_bug.cgi?id=47178
Turns out this is not a new problem. Here is the patched version of urxvt without the font width issue:
today's update to ttf-inconsolata fixed my problem.
Sorry to bring that old one up, but when sorting out old pkgs today I found I still hat libxft in Ignore. I changed this but encountered the same old problem with Bitstream Vera Sans so I changed to Inconsolata but have the feeling the letters are a bit too wide apart from each other. When using rxvt-unicode-patched, I don't encounter this behaviour.
Looks like this:
I have the following line in .Xresources:
Is there any option that I could use to avoid this or should I rather avoid unpatched urxvt?
You can use
I prefer that a lot over using patched urxvt. Thanks!