The patch where root and snare stacks was implemented a month and 4 days after launch of Velious.
Velious released: December 5, 2000
"Root-type spells and "snare" type spells now use a separate spell
effect.": January 9, 2001 (
http://everquest.allakhazam.com/hist...es-2001-1.html)
However, note that on Project 1999, it may (and likely will) take much longer for this change to get implemented. But it should be one of the first things to get put in after launch of Velious.