lme4 1.0-4 now on CRAN

lmer> ## linear mixed models - reference values from older code
lmer> (fm1 <- lmer(Reaction ~ Days + (Days | Subject), sleepstudy))
Error in get(name, envir = asNamespace(pkg), inherits = FALSE) :
   object '.setDummyField' not found

I get the same error message on R 3.0.0, both on a 64-bit build and on a 32-bit build. The same package on R 2.15.2 on the same system works fine, though.