Bing is testing faded line separators in its search results
TLDR
Bing is experimenting with faded line separators in its search results interface.
Optimixed Overview
Optimixed's original report on this story.
As reported by SERoundtable, Bing is testing a stylistic change to its search results layout by fading the line separators that appear at the end of result blocks. The adjustment is a purely cosmetic refinement to the search results UI with no bearing on ranking factors or indexing behavior.