Since the MP 1.4 and also in MP 1.5 pre I miss the automaticaly restart of MP after my HTPC wakes up from Standby.
Restart is not needed anymore because of the fast resume that was implemented.
There has been quite a lot of discussion of this, and I suspect it will need to be reimplemented at some point. However, this won't happen for 1.5.0. Too many changes would be needed and there would be a risk of regression.