Bug 901290 - Cycle collect more than just at worker shutdown. r=mccr8, a=akeybl
Bug 913171 - Fix intermittent browser_thumbnails_background.js by finishing captures only after thumbnails are written. r=markh, a=test-only
Bug 914374 - Fix buffer overflow in BCJ_X86_filter when the given buffer is too small. r=nfroyd, a=akeybl