There's been a bug lingering in Logos for months, which surely must be relatively easy to fix. It's been reported, but nothing has happened. To me, at least, it's the most frustrating minor bug, and I encounter it literally every day.
The bug occurs when you click on most bibliographic citations. This is what is supposed to happen if you own the resource:

And this if you don't:

However, what normally happens in practice, is this:

Please note, this isn't a resource problem, but a program bug. Kyle has confirmed that.
Please, please, please will you fix this. It's particularly a problem with the Old Testament Commentary Survey (which is the resource used above), but it also makes the Exegetical Summaries series almost unusable. That's included in base packages, so it's a bug that must affect thousands of users.