Text in lines does not look selected
OS: Windows 10 (10.0), Arch.: x86_64, MuseScore version (64-bit): 126.96.36.19982, revision: 2e2af50
When you select a group of measures that include lines with text, the text remains black. It looks like you have not selected it, but it copies fine. Here is a picture for an example.
I don't have anything changed in the selection filter and visible lines look selected as in the picture.