This version contains a number of under-the-hood changes to improve the security of the Second Life world. In addition to this, the Release Notes are:
Release Notes for Second Life 1.12.2(0) September 22, 2006
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Bug fixes:
* Offline friendship message no longer says "
resident) has to be your friend..."
This follows the numerous improvements found in Sept. 22's optional update to 1.12.1.11.=====================================
Bug fixes:
* Offline friendship message no longer says "

Also, a friendly reminder that our planned downtime for mandatory releases continues to be every two weeks on a Wednesday during the same time window. This means the next scheduled downtime is targeted for Oct. 11. We'll communicate any new info on our Official Linden Blog.
Thank you graciously for your continued patience and understanding as we endeavor to better the Second Life experience for all!