[pango] NEWS: Updates

[Matthias Clasen <matthiasc src gnome org>]

commit 6a33b14848ca7f1a33d601222b010a90eed5c048
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Aug 25 23:35:08 2021 -0400

    NEWS: Updates

 NEWS | 10 ++++++++++
 1 file changed, 10 insertions(+)
---
diff --git a/NEWS b/NEWS
index 4613481c..3ab44fc9 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,13 @@
+Overview of changes
+===================
+* Only recompute log attrs when needed
+* Fix conformance issues in Thai linebreaking
+* Add pango_attr_break to support customizing line and word breaks
+* Add pango_layout_get_caret_pos to support sloped carets
+* Improve hyphenation support
+* pango-viewer: Visualize caret positions
+* Improve caret positioning for ligatures
+
 Overview of changes in 1.49.0
 =============================
 * Rename git `master` branch to `main` (#579)