Some users have been experimenting issues with Google Chrome and our chat, some can't upload / see pictures and some can't even connect to the chat at all.
A member of this site suggested this fix and so far it is working, so we encourage all users to try it.
In your Chrome browser address bar go to chrome://flags/#prefer-html-over-flash
Change the Prefer HTML over Flash dropdown box to "disabled"
Re-launch (by clicking the link which appears at the bottom of the screen when you change any option).
Update: seems like Google removed this option
Reported as working: Another user got it working by clicking the " i " to the left of the chat URL, and setting Flash as Always Allow.