--- a/browser/config/version.txt
+++ b/browser/config/version.txt
@@ -1,1 +1,1 @@
-3.5.11pre
+3.5.12pre

--- a/config/milestone.txt
+++ b/config/milestone.txt
@@ -5,9 +5,9 @@
 #    x.x.x.x
 #    x.x.x+
 #
 # Referenced by milestone.pl.
 # Hopefully I'll be able to automate replacement of *all*
 # hardcoded milestones in the tree from these two files.
 #--------------------------------------------------------
 
-1.9.1.11pre
+1.9.1.12pre

--- a/js/src/config/milestone.txt
+++ b/js/src/config/milestone.txt
@@ -5,9 +5,9 @@
 #    x.x.x.x
 #    x.x.x+
 #
 # Referenced by milestone.pl.
 # Hopefully I'll be able to automate replacement of *all*
 # hardcoded milestones in the tree from these two files.
 #--------------------------------------------------------
 
-1.9.1.11pre
+1.9.1.12pre