[horde] why does horde install doc suggest the "beta" Services_Weather?

[Robert P. J. Day]

   getting pickier in my old age, i'm verifying my horde install  
against what i read here:

   http://www.horde.org/horde/docs/?f=INSTALL.html

and i read:

   Install PEAR packages:

   pear install -o Log Mail Mail_Mime DB Date File
   pear -d preferred_state=beta install -a Services_Weather
                           ^^^^ ?

why "beta" in that last line?  since:

# pear info Services_Weather
About Services_Weather-1.3.2
============================
... blah blah blah ...
Release State   stable
...

   is that "beta" state just a historical leftover that can now be deleted?

rday