The latest version is 1.16b.
http://www.blorp.com/~peter/zips/in_vorbis.exe (http://www.blorp.com/~peter/zips/in_vorbis.exe)
changes since v1.16:
* fixed evil bug with tag update after song change (doh)
* added option to disable UTF-8 in title display (to shut lamers up) - see hack_noutf8 in winamp.ini
WA3 Vorbis plugin here.
http://www.blorp.com/~peter/zips/cnv_vorbis.zip (http://www.blorp.com/~peter/zips/cnv_vorbis.zip)
Both plugins are dated Oct 19th.