There are 2 ways to report a bug on a browser.
OPTION 1
Step 1: Click the Profile menu
Step 2: Select 'Contact Embershot'
Step 3: Your contact info associated with the account will automatically pre-fill. Select the 'Report Bug' box and press 'Send' to submit.
OPTION 2
Step 1: When viewing a file, click the menu in the top left corner.
Step 2: From the dropdown, click 'Contact Us.'
Step 3: Fill out the form. Be sure to check 'Report Error' and then click 'Send.'