This blog is updated daily.
A general description is here.
Speedup from Peter Hagerty for ‘ls()’ and ‘methods’'s ‘.requirePackage()’ speeding up S4 dispatch. (PR#16133)
‘R CMD check’ checks for the undeclared use of GNU extensions in Makefiles, and for Makefiles with a missing final linefeed.
‘R CMD build’ will correct line endings in all Makefiles, not just those in the ‘src’ directory.