This blog is updated daily.
A general description is here.
The macros ‘SHLIB_OPENMP_CFLAGS’ etc can be set in e.g. ‘config.site’.
The ‘configure’ default for ‘MAIN_LDFLAGS’ has been changed for the FreeBSD, NetBSD and Hurd OSes to one more likely to work with compilers other than ‘gcc’ (FreeBSD 10 defaults to ‘clang’).
The print width of character strings marked as ‘"latin1"’ or ‘"bytes"’ was in some cases computed incorrectly.
(Unix-only) Under some rare circumstances piping the output from ‘Rscript’ or ‘R -f’ could result in attempting to close the input file twice, possibly crashing the process. (PR#16500)