What is the problem?
The file list window won't refresh no matter what (upload file, delete file, push refresh icon), I have to F5 the browser to refresh the file list.
What did you already try to solve it?
Try disable Themify plug-in and try Microsoft Edge instead of the usual Chrome I use.
serial.log or output on terminal tab, ...)
Additional information about your setup (OctoPrint version, OctoPi version, printer, firmware, ...)
Octoprint version 1.3.11 with Marlin 2.x firmware.