Branch merge

diff --cc Misc/NEWS
index fd3b878da779396b945deb5d2f7bb39337442372,7da5eaab0281b92abe432be1c2c528540a75f012..fa91d17d1db3fe15d70a3b773ce907dac7e9d4b0
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -41,6 -37,20 +41,15 @@@ Core and Builtin
  Library
  -------
  
 -- Issue #12102: Document that buffered files must be flushed before being used
 -  with mmap. Patch by Steffen Daode Nurpmeso.
 -
 -- Issue #12560: Build libpython.so on OpenBSD. Patch by Stefan Sperling.
 -
+ - Issue #12607: In subprocess, fix issue where if stdin, stdout or stderr is
+   given as a low fd, it gets overwritten.
+ 
+ - Issue #12590: IDLE editor window now always displays the first line
+   when opening a long file.  With Tk 8.5, the first line was hidden.
+ 
+ - Issue #12576: Fix urlopen behavior on sites which do not send (or obfuscates)
+   Connection:close header.
+ 
  - Issue #1813: Fix codec lookup under Turkish locales.
  
  - Issue #12591: Improve support of "universal newlines" in the subprocess