Less than 10 days after seeding officially Safari 4, Apple offers a minor update:
This update addresses incompatibilities between Safari 4.0 and certain features in iPhoto '09, including Places and Facebook publishing.
Apple also released the Bluetooth Firmware Update 2.0, lest's expect it fixes a bug noticed by many users, random loss of BT from MacBook or iMac:
This update provides bug fixes and better compatibility with the Apple Wireless Mighty Mouse and Apple Wireless Keyboard. It installs on all Macintosh systems with Bluetooth based on the Broadcom chipset.