diff -r 9fec29d2ead2 -r 821cfbe8efcc MozillaFirefox/source-stamp.txt
--- a/MozillaFirefox/source-stamp.txt	Tue Dec 11 08:48:38 2018 +0100
+++ b/MozillaFirefox/source-stamp.txt	Wed Dec 12 12:15:16 2018 +0100
@@ -1,2 +1,2 @@
-REV=4666a1c322d8
+REV=8337ebb86a42
 REPO=http://hg.mozilla.org/releases/mozilla-release