Looks like all the user links went, but only the visited links for questions.
Things are a bit weird on meta too.
On questions this includes the dotted line, not just the title/link:
We'd theorized that links taste better when blue, a subtle effect caused by a mental association with fake blueberry flavorings. But we were wrong. Instead, we got a pungent cyanobacteria aroma.
The original link color has been restored. Details on Meta Stack Exchange