When searching for long text, e.g. a full paragraph, the search string doesn't wrap or truncate in the "Recent Finds" popup, making it almost unusable. APu 1.8.6 on El Capitan
This is what I see on my MacBook 15" display:
This is how APu draws the popup window, the left hand part being outside the viewport:
^ "Thanks" to the nonstandard Affinity window UI, the MacOS "Save Picture Of Window As A File" keyboard shortcut will copy the invisible part as well!