PS3 Firmware 2.40 - In-game XMB, user-music and Trophies will not work with all PS3 titles

Videogaming247 has learnt that the upcoming in-game XMB - heavily rumoured to be included in PS3's Firmware 2.40 - may not work with all PS3 titles, and that user-music and Trophies functionality is only being included as an option for Sony developers from this point on.

By point:

• Sony's currently going through PS3's library to check whether or not in-game XMB's full compatible. While it's expected that the the new menu system, in-game messaging, and so forth, will work with virtually all games, for a minority of titles the current black menu screen will be retained. It's not known yet which games, if any, won't be able to use in-game XMB.
• The user-music functionality is only included in the new development tools, which have now gone out to coders. This means that existing games won't support it unless they're patched. That's right: you won't be able to play GTA IV with your own music unless Rockstar updates the game, if what we've been told this morning is true.
• Same for Trophies. They tools required to add these are only just in the hands of developers, which means it's going to be some time before you see the feature appear in a major game.
• Some aspects of the XMB, such as the photo viewer, won't be available in-game after the 2.40 Firmware update. If you select these features in-game, you'll be asked if you want to drop out of your game to access them.

There's still no release date for Firmware 2.40 as yet, with Sony sticking to "summer" for now. We'll have more soon, hopefully.