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‘tools::dependsOnPkg()’ now accepts the shorthand ‘dependencies = "all"’.
PCRE has been upgraded to version 8.20: as well as bug fixes and greater Perl compatibility, this adds a JIT pattern compiler, about which PCRE's news says ‘large performance benefits can be had in many situations’. (It is supported on most but not all CPUs that run R.)
‘legend()’ gains a ‘text.font’ argument. (Suggested by Tim Paine, PR#14719.)
‘nchar()’ and ‘nzchar()’ no longer accept factors (as integer vectors). (Wish of PR#6899.)
‘format()’ (and hence ‘print()’) on ‘"bibentry"’ objects now uses ‘options("width")’ to set the output width.
The creation of ticks on log axes (including ‘axTicks()’ sometimes
incorrectly omitted a tick at one end