[pango] NEWS: Updates

[Matthias Clasen <matthiasc src gnome org>]

commit c0c70393f798be29e3835fa0abd04b15a6235562
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Dec 19 08:55:05 2021 -0500

    NEWS: Updates

 NEWS | 7 +++++++
 1 file changed, 7 insertions(+)
---
diff --git a/NEWS b/NEWS
index 3ff9d922..bbf71cbe 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,10 @@
+Overview of changes
+===================
+* pango-view: Add --serialize-to option for easy bug reporting
+* Revert a transformation change that broke metrics for vertical text
+* Handle fonts without space glyph (such as icon fonts) better
+* Fix some corner cases of line width accounting
+
 Overview of changes in 1.50.2, 10-16-2021
 =========================================
 * Fix a problem with font fallback for Arabic