Version 64.0.2

Fixed a browser crash on MacOS (bug 1510058)

Updated the Japanese translation for missing strings (bug 1513259)

Properly restore column sizes in developer tools inspector (bug 1503175)

Fixed video stuttering on Youtube (bug 1513511)

Fix updates for some lightweight themes (bug 1508777)
https://www.mozilla.org/en-US/firefox/64.0.2/releasenotes/