User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:39.0) Gecko/20100101 Firefox/39.0 Build ID: 20150807021757 Steps to reproduce: Open about:newtab and do this: CTRL+scroll wheel CTRL+ CTRL- Actual results: Doesn't work on about:newtab Expected results: Should zoom the page
Works fine on my windows 7 (32bit) though
Thank you for testing. It turns out to be a bug in the addon Default Full Zoom Level.
Glad you could solve this, Remember Geoffery, whenever you find any trouble with your firefox, definitely try starting the browser in safe mode, thus you will be able to know if the problem is happening because of some add-ons or not. see how to start in safe mode https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode