mark release, dot release, release timeline IT

[Bramble73]

Пожалуйста, помогите перевести.

mark release, dot release, release timeline

Выражение встречается в следующем контексте:

As a general rule, XXX supports mark releases and related dot releases or patches of the Software for a period of 6 months after a subsequent mark release is available, or such later date as notified by XXX.
***
Changes are typically announced in XXX release timeline.

Заранее спасибо!!!

[sledopyt]

dot release = maintenance release = отладочная версия
mark release - судя по контексту, главная версия (но сам такого термина не встречал)

[Bramble73]

Спасибо большое!