Show last document at start of DTTG

Whenever I start DTTG after a pause it starts with no selected document:

Is this the normal behaviour? I would prefer DTTG to start with the last document on the last page I’ve read. DTTG does this, if the last use was not long ago. But after a few minutes (I can’t say exactly how many) DTTG starts with the above screen.

Oh, I missed this thread:

Seems to be fixed soon. Great!