On Mon, Jun 23, 2008 at 9:06 AM, Daniel Brewer <daniel.brewer at icr.ac.uk> wrote: > Hi, > Is there any reason I shouldn't upgrade to R 2.7.1 yet? Nope. R 2.8 will be the next major release, so until then, you can upgrade to any 2.7.x and expect that things will work the same. Sean