Apple is prepping the first builds of Mac OS X Snow Leopard 10.6.3, according to AppleInsider.
People familiar with the matter say the forthcoming builds are likely to be released to some developers in the next 48 hours, and carry the expected prefix of 10Dxx. It is not yet known what issues Apple hopes to address with the latest update.
A timeframe for the release of Mac OS X 10.6.3 is not yet known; however, the two previous updates to Snow Leopard have come quite quickly.