Firefox 64-bit - version 68.0.1 is released
2019-07-18   link

Thunderbird 64-bit - version 60.8.0 is released
2019-07-09   link

Firefox 64-bit - version 68.0 is released
2019-07-08   link

Firefox 64-bit - version 68.0 RC2 (Release Candidate 2) is released
2019-07-05  link

Firefox 64-bit - version 68.0b14 (Beta 14) is released
2019-06-28  link

Firefox 64-bit - version 68.0b13 (Beta 13) is released
2019-06-25  link

Thunderbird 64-bit - version 60.7.2 is released
2019-06-21   link

Firefox 64-bit - version 67.0.4 is released
2019-06-20   link