Raf has updated PSPRadio, details are as follows:

NEW FEATURES
Core: Now playlist entries are sorted by title if the playlist is v2. (r768)

BUG FIXES
Core: Made the decoding/playback more stable (r770)
Core: Now only UP/DOWN generate REPEATs (No more 'jumpy' START button, etc.)(r772)
Core: Now long press are also handled as a release (r773)
Core: Corrected erroneous button hits being sent continuously when the power saving kicked off (r774)