Bing is now testing placing these arrow buttons, in a circle button format, next to the sitelinks. This is something Google has been testing on and off for some time in their search results as well.
Khushal Bherwani spotted this and posted some screenshots on X - here are one of those screenshots:
I am not sure I like these but always be testing...
Forum discussion at X.
Update: Now Blue:
Bing is testing grey arrow buttons for sitelinks, and when hovered over, they change to blue. Previously, they only tested the black version. @rustybrick https://t.co/O369UJyrAC pic.twitter.com/Z04tvDI2Vd
— Sachin Patel (@SachuPatel53124) January 29, 2025
