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A general description is here.
Functions such as ‘parLapply()’ in package ‘parallel’ can make use of a default cluster if one is set. (Reported by Martin Morgan.)
‘R CMD build’ now omits several types of hidden files/directories, including ‘inst/doc/.Rinstignore’, ‘vignettes/.Rinstignore’, (‘.Rinstignore’ should be at top level), ‘.deps’ under ‘src’, ‘.Renviron’, ‘.Rprofile’, ‘.Rproj.user’, ‘.backups’, ‘.cvsignore’, ‘.cproject’, ‘.directory’, ‘.dropbox’, ‘.exrc’, ‘.gdb.history’, ‘.gitattributes’, ‘.gitignore’, ‘.gitmodules’, ‘.hgignore’, ‘.hgtags’, ‘.htaccess’, ‘.latex2html-init’, ‘.project’, ‘.seed’, ‘.settings’, ‘.tm_properties’ and various leftovers.
Printing of vectors with names > 1000 characters now works correctly. (PR#15028)
Protection added to ‘do_system’. (PR#15025)