David Is it possible to fully display the file names like in version 7?
Try custom CSS:
.files-grid .files-a-loaded .name, .files-rows .files-a-loaded .name, .columns-noinfo .files-a-loaded .name {
white-space: normal;
text-align: left;
line-height: 1.2;
}
Captions are set to always nowrap
in latest release, because it simply doesn't work well with long file names, especially when grid size decreases, and sometimes the caption will overflow the image.

In most cases, the user will get the idea of the file name from the cut version (if cut at all). Besides, if you hover mouse over the caption, a tooltip will display showing the full name. Also, you can of course change to another layout if viewing the full name is crucial.