Reproducible on: Firefox 42.0a1, Firefox 41.0a2 and Firefox 40 under Mac STR 1.Launch Firefox with clean profile. 2.Go to about:addons 3.Focus your attention on the add-on search bar displayed in the top right corner of the page. ER The magnifying glass is displayed in Addons Manager search bar. AR The magnifying glass misses from Addons Manager search bar and the search can be performed only by hitting “Enter” key. Additional notes: - This issue is reproducible on Firefox 42.0a1 (2015-07-12), Firefox 41.0a2 (2015-07-12) and Firefox 40 (20150709163524) under Mac OS X 10.9.5 and Mac OS X 10.10 4 - In Firefox 39 down to Firefox 4 there is a magnifying glass displayed in search bar, but that's not the one that execute the searching process, so this issue is not a regression. - I am attaching screenshot: http://i.imgur.com/C09v9KD.png

Per policy at https://wiki.mozilla.org/Bug_Triage/Projects/Bug_Handling/Bug_Husbandry#Inactive_Bugs. If this bug is not an enhancement request or a bug not present in a supported release of Firefox, then it may be reopened.