Go to next document in List view loses focus, jumps to preview?

I am trying to navigate a list of documents (text files) in a group. Whenever I click on a document or move to one using the keyboard, I lose focus in the list view, and the focus jumps to the preview pane. These documents are unlocked. If I lock them, this does not happen. However, I wish for them to remain unlocked.

Is this expected behaviour, or a bug? I do not remember this having been how navigation worked in many years of working with DT. Many thanks.

I’m not seeing any issue with keyboard navigation here.
What version of macOS and DEVONthink are you running?

MacOS 11.1
DT3 3.6.1

What kind of documents actually? A screenshot might be useful.