This does not really solve the issue (in ttf-ubuntu-font-family_0.71.2-0ubuntu3_all.deb). In LibreOffice I can still make the "Ubuntu Light" font bold - and the result is ugly. Kerning seems not to work at all so that "Ubuntu Light Bold" becomes even wider than "Ubuntu Bold".
This does not really solve the issue (in ttf-ubuntu- font-family_ 0.71.2- 0ubuntu3_ all.deb) . In LibreOffice I can still make the "Ubuntu Light" font bold - and the result is ugly. Kerning seems not to work at all so that "Ubuntu Light Bold" becomes even wider than "Ubuntu Bold".
Attaching PDF with the issue.