【外部リンク】
https://www.mozilla.org/en-US/firefox/57.0.4/releasenotes/
Version 57.0.4, first offered to Release channel users on January 4, 2018
https://www.mozilla.org/en-US/firefox/57.0.4/releasenotes/
Version 57.0.4, first offered to Release channel users on January 4, 2018
