Well, I'm Back Robert O'Callahan. Christian. Repatriate Kiwi. Mozilla hacker. corrects IE6 width calculation google_ad_section_start(name=default) Monday, 13 July 2015 rr 4.0 will be the first rr release where reverse execution is reliable. I want to release it soon, but some users still find situations where reverse executions that seems to hang. I've implemented a mitigation by allowing ctrl-C to interrupt reverse execution (though I think there are still bugs where sometimes it fails to interrupt cleanly), but there are also underlying issues that can cause reverse execution to be very slow, and I want to fix as many of those as I can. I've recently fixed the two major fixable issues that I currently know of, and they'r...