Capitalizing window titles seems to be standard. Also, when you open the loot screen, it becomes capitalized, which I guess means that windows that don't have a title defined default to the capitalized name of the docked object. In that case, you could just delete the name attribute.
This one isn't new.
nms 15 Aug 2017:
I fixed this by deleting the name attribute in 1.8a2.
Resolve
Archive
Reopen
Create
Edit
Save
Attach File
Cancel Edit