Second Life is back online with the latest version, 1.10.3. You can either use the autoupdate utility, or download the latest version at the Second Life website.
Once again, here are the 1.10.3 release notes:
Release Notes for Second Life 1.10.3(3) June 14, 2006
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Bug fixes:
* Clearing inventory search keeps the current item/folder selected
* Receiving or moving inventory no longer expands all folders
* Searching under All Items only shows folders containing items searched for, by default
* Adjusted LOD based on resident feedback
* Added additional octree toggles in the Debug menu
* Fixed a performance issue cause by texture paging
* F1 Help no longer crashes on the PowerPC Mac in fullscreen mode
* Fixed an issue with the Mac autoupdate utility
* Resolved a simulator crash related to scripts
* Resolved a client crash issue
Linux client alpha fixes:
* Resolved a bug with inventory searches failing
* "L$" appears correctly in front of the L$ balance
* Accelerator (shortcut) keys should work correctly