Firefox 64-bit - version 66.0b10 (Beta 10) is released
2019-02-22  link

Firefox 64-bit - version 66.0b9 (Beta 9) is released
2019-02-19  link

Thunderbird 64-bit - version 60.5.1 is released
2019-02-14   link

Firefox 64-bit - version 65.0.1 is released
2019-02-12   link

Firefox 64-bit - version 66.0b7 (Beta 7) is released
2019-02-12  link

Firefox 64-bit - version 66.0b6 (Beta 6) is released
2019-02-08  link

Firefox 64-bit - version 66.0b5 (Beta 5) is released
2019-02-05  link

Firefox 64-bit - version 66.0b4 (Beta 4) is released
2019-02-01  link

Thunderbird 64-bit - version 60.5.0 is released
2019-01-30   link

Firefox 64-bit - version 65.0 is released
2019-01-28   link