[newlib-cygwin] NEWS: Add news items

[Jeff Johnston]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=2e80e1282ae1d45615e2bf32379ec100fc258b4f

commit 2e80e1282ae1d45615e2bf32379ec100fc258b4f
Author: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date:   Thu Jan 19 19:38:42 2023 +0100

    NEWS: Add news items

Diff:
---
 newlib/NEWS | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/newlib/NEWS b/newlib/NEWS
index c39b925c4..5e64b2660 100644
--- a/newlib/NEWS
+++ b/newlib/NEWS
@@ -3,7 +3,13 @@
 - remove i?86-pc-linux-gnu support
 - remove decstation & sunos support
 - remove phoenix OS support
+- remove unused members from struct _reent (see also --enable-newlib-reent-binary-compat)
 - build system internals heavily rewritten & updated
+- add --enable-newlib-reent-thread-local configuration option
+- add --enable-newlib-reent-binary-compat configuration option
+- add 64-bit powerpc setjmp/longjmp support
+- use global stdio streams for all configurations
+- use global atexit data for all configurations
 
 *** Major changes in newlib version 4.2.0: