Build 1

Checklist

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

Issues

• Nick had to work around issues during the reconfig that were caused by the creation of the ESR45 branch
• Mac build failed to clone a repo, auto retried
• Bash crash during a Windows repack, retried.
• The usual Linux update verify failures around GTK3
• One Windows update verify which failed to download a MAR. Rather than rerunning the entire job, Ben checked that the MAR was available and matched the advertised filesize and checksum.