I downloaded picasa 3 today from http://picasa.google.com

when i start picasa now, i don't see beta in the splash and there is also on beta in the about

build 57.41

[Moved from "Google Picasa v3.0 Build 57.44 Final" – Tony]

Google appereantly released the final version of Google Picasa,
http://dl.google.com/picasa/picasa3-setup.exe

http://www.websonic.nl/nieuws/112008/images/google_picasa_3.jpg

source:
http://www.9down.com/Google-Picasa-v3-0-Build-57-44-Final-38750/

[moved from "Picasa 3 out of beta"]

After two month in the beta, google removed the beta label from picasa 3 and will launch major update for all picasa 2 users soon.

http://googlephotos.blogspot.com/2008/10/picasa-3-fresh-out-of-beta.html