As a followup, these changes have some impacts on already installed
packages, most likely including all those using lazy-loading or saved
images.
If you are building from a checked-out version of R you will need to
trigger re-installation of the recommended packages. Unix users can do
that by
I've just committed some changes to R-devel which affect environments.
Specifically:
- using NULL as an environment is now deprecated: use baseenv()
instead. (baseenv() is already available in R 2.2.0, where it returns
NULL. For most purposes it retains the same meaning in R-devel.) If you