Those maintaining packages using sf or sp/rgdal, and authors of scripts
using them should read the blog and be prepared to take rapid action when
sf 0.9 is released and built using PROJ >= 6 and GDAL >= 3. An early
release of rgdal (>= 1.5, probably 1.6.0, is also to be expected).
Thanks to the CRAN team, sf 0.9-0 has been published. Windows and OSX
binaries should follow before long. Script authors and package
maintainers using sf should note the changes in this version, which may
require action - see the blog linked earlier in this thread. See also: