The main portion of proposals and committee work is on our sister-site http://www.forth200x.org.
Should it be decided by the committee we will migrate the (older) proposals.
Recently we enabled the discussion of proposals directly on forth-standard.org .
See list of proposals discussed on forth-standard.org below:
Proposals (most recent first)
Implementations requiring BOTH 32 bit single floats and 64 bit double floats.
Directory experiemental proposal
DEFER this not :-)
WLSCOPE -- wordlists switching made easier