AhMan released iR Shell version 2.2 today and announced that he will no longer update it. Well, bid farewell to one of the greatest homebrew programs to this day.
Download here:
http://www.irshell.com/download/pspirshell22.zip
I wonder if he will release the source so the makers of the future 0x89 XMB Replacement have some extra ground work already cut out for them.