Daily News about R-4-0-branch/NEWS
This blog is updated daily.
A general description is here.
CHANGES IN 4.0.0 patched NEW FEATURES
This should not be used in package code until R 4.0.1 is released, when the package should depend on ‘R (>= 4.0.1)’.
CHANGES IN 4.0.0 BUG FIXES (Windows)