Since yesterday afternoon, when I try to insert a link, I can no longer choose a page to link to. Instead, it only lets me manually enter a URL and text.
This is something I use frequently, so this bug is causing a lot of disruption to my workflow. I tried it in both Chrome and Firefox, and the same issue happened.
This is what I get when trying to insert a link (the option to search for a page within the space and the most recently-opened pages are missing):
