diff -r 84cdfb476431 -r 8e9195853a32 MozillaFirefox/source-stamp.txt
--- a/MozillaFirefox/source-stamp.txt	Sun Mar 17 10:00:10 2019 +0100
+++ b/MozillaFirefox/source-stamp.txt	Tue Nov 19 22:54:22 2019 +0100
@@ -1,2 +1,2 @@
-REV=1ea7b51ef5bb
+REV=990d9f90f0f5c02b8af12d784dc76ab40ea84781
 REPO=http://hg.mozilla.org/releases/mozilla-release