So what's new in PSPIRC v1.1.6? Well, it's got 5.00 M33 support, for one (you can download below whichever version suits your PSP), but as for other bug fixes and additions, here's the changelog:
* Finally fix issue with "Home -> Exit" !
* Add a built-in editor to edit commands & words list (command.txt and word.txt files)
* Add eboot music from NeXuS
* Can now return back to Wifi menu (No need to restart pspirc to connect to another hotspot)
* Bug fix in battery level display