Bluetooth Firmware Update 2.0 from Apple comes with brief release notes saying only that the update "provides bug fixes and better compatibility with the Apple Wireless Mighty Mouse and Apple Wireless Keyboard." Apple also notes that the update should be installed on any Macintosh system whose Bluetooth support is based on the Broadcom chipset. To find the manufacturer of your Mac's Bluetooth chipset, run System Profiler, click Bluetooth under Hardware in the sidebar, and check the Manufacturer line. The update is available via Software Update and from the Apple Support Downloads page. (Free, 1.78 MB)
Sync'Em 1.30 from Derman Enterprises is an update to the multi-platform syncing utility. Changes include a new setup assistant with a simplified interface, the capability to relaunch the Sync'Em Engine if it fails, improved handling of corrupt SQLite database files, and the capability to handle contact notes that are too large for Google to accept. Also, several issues have been resolved, including one that prevented Exchange from accepting certain iCal alarm conditions, and one that prevented Sync'Em from recovering from lost Exchange EWS IDs.
DiscLabel 6.0.1 from SmileOnMyMac is a bug fix update following a major upgrade of the CD and DVD label design software. Changes in DiscLabel 6.0 include 80 new template sets, a redesigned interface, an improved image import palette, a new inspector palette, a new montage tool that enables users to create montages and add them to design elements, an enhanced random design generator, and support for automatic software updating via Sparkle. ($35.95 new, free update, 12.7 MB)
Safari 4.0.1 from Apple is a maintenance update to the recently updated browser which "...addresses incompatibilities between Safari 4.0 and certain features in iPhoto '09, including Places and Facebook publishing." The update is available via Software Update or from the Safari download page. (Free, 43.5 MB)