Looks like they did a late night release of 1.04
http://www.mozilla.org/products/firefox/
Change Log:
MFSA 2005-44 Privilege escalation via non-DOM property overrides
MFSA 2005-43 "Wrapped" java script: urls bypass security checks
MFSA 2005-42 Code execution via java script: IconURL
Fix to DHTML errors encountered at some web sites.