This update for MozillaFirefox fixes the following issues:
{ "binaries": [ { "MozillaFirefox-devel": "38.6.1esr-34.1" } ] }
{ "binaries": [ { "MozillaFirefox": "38.6.1esr-34.1", "MozillaFirefox-translations": "38.6.1esr-34.1" } ] }