BBC iPlayer stopped working?

Hi,

BBC iPlayer v1.3.1alpha3 was working ok yesterday and today it displays program details (icon, show title, etc) but doesn't stream audio.
BBC iPlayer Extras v1.8 still works ok, however.

Anyone know what's changed?

My system details:
Logitech Media Server Version: 7.7.5 - 1416570306 @ Thu Nov 27 07:38:09 CUT 2014
Operating system: Windows 7 - EN - cp1252
Platform Architecture: 8664
Perl Version: 5.14.1 - MSWin32-x86-multi-thread
Database Version: DBD::SQLite 1.34_01 (sqlite 3.7.7.1)