update NEWS

git-svn-id: https://svn.r-project.org/R/trunk@84770 00db46b3-68df-0310-9c12-caf00c1e9a41
r-devel · Jul 28, 2023 · fafdc99 · fafdc99
1 parent b9081db
commit fafdc99
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/doc/NEWS.Rd b/doc/NEWS.Rd
@@ -203,6 +203,12 @@
  argument descriptions when they spanned multiple lines,
  including those generated by \code{prompt()}.
  These cases are now noted by \command{R CMD check}.
+
+ \item Communication between parent and child processes in
+ \code{multicore} part of \code{parallel} could fail on platforms
+ that do not support arbitrarily large payload in system functions
+ \code{read()}/\code{write()} on pipes (seen on macOS). The payload
+ is now split into 1Gb chunks to avoid that problem. \PR{18571}
  }
  }
 }