This is on my wishlist for a long time.
It’s a source of frustration on a daily basis since I don’t know when it will for sure open in a new tab or not.
I gave up for now actually and I now go to the three dots menu and choose to open in a new tab. But I would rather just use command + click to open in a new tab.
Related: 3 tiny quality-of-life lmprovements I'd love for Christmas 🎄