Update changelog
diff --git a/NEWS.rst b/NEWS.rst
index 9fa5521..7d84efb 100644
--- a/NEWS.rst
+++ b/NEWS.rst
@@ -1,3 +1,4 @@
+-  [varLib] Refactored and improved the variation-font-building process.
 -  Assembly code in the fpgm, prep, and glyf tables is now indented in
    XML output for improved readability. The ``instruction`` element is
    written as a simple tag if empty (#819).