Build 1 & 2

* (TB Drivers) Ship the l10n milestone (build1 only)

cancelled build1 because of 1231174 and 2 because of 1233577

Build 3

• (TB Drivers) Ship the l10n milestone (build1 only)
• (TB Drivers) Submit to Ship It
• Publish in Balrog
• Post-release tasks

Issues

build 1

• one repack failure on linux from truncated complete mar, standalone_repack and repack_complete to recover
• all mac repacks failed, filed bug 1231174

build 2

• bug 1233577

build 3