Mozilla sent Firefox Version 59.0 to the release channel today. The update addresses a number of bugs as well as security fixes for both Firefox and Firefox ESR.
ESR has been updated to version remains at version 52.7.0.
Security Updates (https://www.mozilla.org/en-US/security/known-vulnerabilities/firefox/#firefox58)
Mozilla Firefox Release Notes (https://www.mozilla.org/en-US/firefox/59.0/releasenotes/)