If you head on over to Verizon's support page, you can find a changelog for a decidedly minor update to the Samsung Galaxy Stellar (version VRALH2). The update improves backlight brightness coming out of sleep mode, boosts voice quality, and fixes some bugs that may have led to "rare occurrences" of device resets.
If you have a Stellar, this update should be rolling out to you in the next couple of weeks.