Created attachment 8466086 [details] Firefox-sans-images.png User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:32.0) Gecko/20100101 Firefox/32.0 (Beta/Release) Build ID: 20140728123914 Steps to reproduce: This is not reproducible, but the last thing I did was to restore a single minimised firefox window (and then reflectively pressed Ctrl+N to open a new Window). Actual results: I found that all images in the user interface were missing, for both the windows. I've never seen this before, so was wondering if something may have broken recently with the Beta update a few days ago. Images were also missing in the main menu. Please see the screenshot.
It happened another two times today (after the first time I closed & reopened firefox and it happened almost immediately - but further attempts to reproduce it reliably from scratch failed.) I was using Trello (www.trello.com) (for my first time) and playing around with the "Stickers" feature. The kind of thing I was doing when it happened: 1. Sign up. 2. Create a Board, or just Play with the Welcome Board. 3. From the "side bar" on the right, go to Menu > Stickers 4. Drag stickers onto card(s). Edit the card (pencil icon in top-right of card) click a sticker, and rotate or delete it. Repeat.
QA Whiteboard: [bugday-20140804]
Component: Untriaged → Graphics
Product: Firefox → Core
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