- MMS sees bug fixes as well as the new ability to save attachments.
- E-mail gets a large list of significant bug fixes including: new-mail notifications for POP3 accounts; new accounts are now set to check every 15 minutes (instead of defaulting to "never"); and there's also a fix to IMAP manually-created accounts so deleting messages works properly.
- The music player will now fade playback back in after suspending for a phone call. It also has a new media search function that allows for third-party apps to launch or respond to media searches based on artist, album, or title.
- With cupcake, Android will now support stereo Bluetooth.
- With respect to the camera software, Android will now support video recorder mode, allow for the sharing of videos, offer a list of video thumbnails, and permit local file playback.
Officially, however, T-Mobile is not owning up to anything. A representative said in a forum post, "'Cupcake,' which is the code name for an Android software build, is still a work in progress that is considered to be a development branch and not for general availability. We will update you as T-Mobile G1 software updates are made available to T-Mobile customers." Basically, T-Mobile confirms that Cupcake exists, but isn't telling us anything more than that.
With Mobile World Congress around the corner, timing will be everything. HTC is having a press conference at the event, and speculation abounds that the company will bring forth its next Android phone, possibly even the "G2" seen earlier this week.