Availability of the SDK?

Availability of the SDK product appears not to be on par with the main 
LibreOffice product:

* <https://www.libreoffice.org/download/> allows to download the 
"Software development kit (SDK)" for the browser's platform only 
(linking directly to 
<http://download.documentfoundation.org/libreoffice/stable/3.6.4/rpm/x86_64/LibO-SDK_3.6.4_Linux_x86-64_install-rpm_en-US.tar.gz> 
in my case).  "Not the version you wanted? Change System, Version or 
Language" does not lead to any options for downloading different SDK 
flavors, just different LO flavors.

* <https://www.libreoffice.org/download/pre-releases/> (currently 
offering "LibreOffice 4.0.0 Beta2 (2012-12-22)") does not lead to any 
options for downloading any pre-release version of the SDK. 
<https://bugs.freedesktop.org/show_bug.cgi?id=58465#c2>, comment 2 of 
"officebean does not work" has a user stumbling upon that.

* <http://dev-builds.libreoffice.org/daily/> appears to offer SDK in 
some cases (like 
<http://dev-builds.libreoffice.org/daily/master/MacOSX-Intel@1-built_no-moz_on_10.6.8/2013-01-09_08.08.08/master~2013-01-09_08.08.08_LibO-Dev_4.1.0.0.alpha0_MacOS_x86_sdk.dmg>) 
but not in others (like 
<http://dev-builds.libreoffice.org/daily/master/Win-x86@6/2013-01-09_08.31.35/>).

Stephan