This blog is updated daily.
A general description is here.
‘[[<-’ for lists (generic vectors) needed to increment ‘NAMED’ count when RHS is used more than once. (PR#15098)
On Windows, warnings about opening a file or pipe with a non-ASCII description were sometimes output in UTF-8 rather than in the current locale's character set.
The ‘call()’ function did not duplicate its arguments. (PR#15115)