I've had it with WBCL.  I've been using it for 2 and a half years.  I liked
the fact that it was flushable, didn't cling to the paws like other
clumpables, didn't have a perfume odor, and it wasn't clay based.  But
there's always been a tracking problem with WBCL.  Especially the dust.  My
one cat loves to dig towards China when she goes pee-pee.  When she comes
out of the box, her paws are covered in yellow dust (she's a black cat),
and her face is dusty too.  The last bag of WBCL I got, and the one
previous to it, had moths and moth larvae growing inside!  And now that I
have a Dyson Animal vacuum cleaner, I get to see just how much of the cat
litter dust has been distributed around the house.  It's quite amazing.
The collection chamber is coated with WBCL fine yellow dust every time I
vacuum the carpets.

So I'm trying an experiment and switching to SWheat Scoop.  Odor control
really is not an issue, as I don't let things sit in the box for long.  I
scoop as many times as is required.  But the dust issue is really
intolerable.  I dream of the day when I don't have to vacuum one vacuum
cleaner with a shop vac, to get out all the fine yellow cat litter dust.