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A general description is here.
Calling ‘callGeneric()’ without arguments now works with primitive generics to some extent.
‘vapply(x, FUN, FUN.VALUE)’ is more efficient notably for large ‘length(FUN.VALUE)’; as extension of PR#16061.
New function ‘extSoftVersion()’ to report on the versions of third-party software in use in this session. Currently reports versions of ‘zlib’, ‘bzlib’, the ‘liblzma’ from ‘xz’, PCRE, ICU and TRE.
A similar function ‘grSoftVersion()’ in package ‘grDevices’ reports on third-party graphics software.
It is possible to request the use of system ‘valgrind’ headers _via_ ‘configure’ option ‘--with-system-valgrind-headers’: note the possible incompatibility of such headers discussed in the 'R Installation and Administration' manual. (Wish of PR#16068.)