And I'm pleased to read them as there are slim picking from Apple this year. From a personal perspective I think that WWDC has been in decline for a long time in terms of news for the iOS music community. This year it is poor to say the least. iOS9's best feature is restricted to the iPad Air 2, and with no new hardware announced I won't be upgrading for some time now.
Perhaps it's time to look at other platforms?
CDM's 5 Tidbits of Good News from WWDC for Musicians and Visualists.