This installer is different from the one existing in the svn folder
D:\LyXSVN\lyx-devel\development\Win32\packaging\installer

The changes are listed here (compared against LyX 1.4.3-5):
http://wiki.lyx.org/Windows/LyXWinInstaller
(The toolbar changes listed there can be ignored.)

The installer for LyX 1.5 comes furthermore with support for
the bibliography manager "JabRef"

Responsible author: Uwe Stöhr <uwestoehr-at-web.de>