'Amazon Price Tracker - Keepa.com' leaves zombie compartments. Steps to reproduce: 1) go to an Amazon product page (e.g. http://www.amazon.co.uk/Panasonic-Lumix-FS35-Digital-Camera/dp/B004I1KP5C/ref=pd_ts_zgc_ce_332215031_1_i?ie=UTF8&s=electronics&pf_rd_p=253254047&pf_rd_s=right-5&pf_rd_t=101&pf_rd_i=468294&pf_rd_m=A3P5ROKL5A1OLE&pf_rd_r=1V1TH5088RTB8CM8SXK3) 2) close tab 3) go to about:memory?verbose and click minimize memory usage a few times 4) see compartment for amazon.co.uk and keepa.com/iframe.html
Update uploaded and reviewed. Fixed!
No idea what fixed it, so marking worksforme.
(In reply to Martijn Wargers [:mw22] (QA - IRC nick: mw22) from comment #2) > No idea what fixed it, so marking worksforme. it was fixed by the developer uploading a new version.