Google is testing placing a second link directly under the main ad headline link, some call the title link, that pull from your Google Ads assets or extensions. It is unusual to see these links right next to each other, sometimes you'd see them as sitelinks under the ad description but not directly under the main headline link.
This was spotted by both Anthony Higman who posted it on LinkedIn and X - here are his screenshots:
And this desktop variation by Jonathan Cottrell on LinkedIn:
This seems weird but it can probably have a huge impact on an ads click through rate, but again, it is just a test right now.