Doing a full release takes a lot longer, so they presumably decided to use a faster method where possible. https://hacks.mozilla.org/2018/03/shipping-a-security

Doing a full release takes a lot longer, so they presumably decided to use a faster method where possible. https://hacks.mozilla.org/2018/03/shipping-a-security-update-of-firefox-in-less-than-a-day/ https://hacks.mozilla.org/2018/03/shipping-a-security-update...