ggvis 0.4 is now available on CRAN. You can install it with:

install.packages("ggvis")

The major features of this release are:

chickwts %>% ggvis(~feed, ~weight) %>% layer_boxplots()

ggvis box plot

Because of these changes, interactive graphics with dynamic data sources will work more reliably.

Additionally, there are many small improvements and bug fixes under the hood. You can see the full change log here.