It looks like the spacing for the last modified tagline lost its right justification
108725
Alignment issue for the last modified information in the "Top Questions" page
11071
Oddly wide spaces in subsection title
96746
Intertext vertical spacing
20865
Bizarre spacing with 4 $\star$s
43392
! Extra alignment tab has been changed to \cr.  \endtemplate - cline
40570
Minor alignment issue in the tag info page
52780
Why does the browser renders a newline as space?
14272
Hard spaces after one-letter words in ConTeXt
55929
Insert ellipsis (...) into HTML tag if content too wide
74435
Markdown code snippets don't allow trailing spaces
136674
The vote counts delimiter is mis-aligned in the new beta theme
9657
Some text lines are italicized with no spaces between words
136814
Weird Spacing around Bold Text when using Custom T1 Fonts
117003
Trailing spaces on comment link format
86212
Why is the space between words in my source code listing so big?
98188
Spacing around \left and \right
78277
Affiliations appear in unspaced italics, possible math mode triggered by breqn package