En niet alleen bij Firefox 1.5.0.2, ook bij Thunderbird was het zo.
Sterker nog: in de map die aangegeven wordt als bron voor de nieuwe versie vinden we het bestand
http://releases.mozilla.o...1.5.0.3/README.UNRELEASED met daarin de tekst:
=============
== WARNING ==
=============
The builds in this directory have a current status of "unreleased."
They are NOT guaranteed to be the final builds that will be shipped for the
release of this particular version.
When the release is live and available, it will be announced at:
http://www.mozilla.com/
Until the appearance of such an announcement, the download packages in this directory are subject to change and DO NOT represent official, supported builds.
If this release has been announced at
http://www.mozilla.com/, this warning may be safely ignored.