The currently one and only information channel for LATEX2HTML is the mailing list operated by the TEX Users Group:
This mailing list features announcements and support, but is mainly dedicated to technical discussion about LATEX2HTML bugs and enhancements.An online archive is available at http://www.xray.mpe.mpg.de/mailing-lists/latex2html/.
In order to subscribe, go to http://www.tug.org/mailman/listinfo/latex2html and follow the instructions in the `Subscribing to latex2html' section.