Cygwin: update release notes for 3.2.0, part 2

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

winsup/cygwin/release/3.2.0

@@ -28,6 +28,9 @@ What changed:
   flag O_TMPFILE.
   Addresses: https://cygwin.com/pipermail/cygwin/2021-January/247304.html
 
+- Utilize Windows 10 1809 FILE_DISPOSITION_IGNORE_READONLY_ATTRIBUTE
+  flag to allow simpler unlink of files with DOS readonly flags set.
+
 
 Bug Fixes
 ---------

winsup/doc/new-features.xml

@@ -28,6 +28,26 @@ that these keys/signals are handled only when app calls read() or
 select(). Now, these work even if app does not call read() or select().
 </para></listitem>
 
+<listitem><para>
+Allow ~5000 child processes per process on 64 bit, ~1200 child processes
+per process on 32 bit.  So far, only 256 child processes per process were
+supported.
+</para></listitem>
+
+<listitem><para>
+A few FAQ updates.
+</para></listitem>
+
+<listitem><para>
+Have tmpfile(3) make use of Win32 FILE_ATTRIBUTE_TEMPORARY via open(2)
+flag O_TMPFILE.
+</para></listitem>
+
+<listitem><para>
+Utilize Windows 10 1809 FILE_DISPOSITION_IGNORE_READONLY_ATTRIBUTE flag
+to allow simpler unlink of files with DOS readonly flags set.
+</para></listitem>
+
 </itemizedlist>
 
 </sect2>