[2020] Can Enduring Mana Flasks be still queued to themselves ?

The "Enduring" modifier on mana flasks now has 30% reduced duration (from 25%) and now also has 30% reduced Amount Recovered. Flasks with this modifier are no longer queued while a stronger effect is active. Instead, the duration will continue to expire with no effect until the stronger flask effect ends or the Enduring flask's duration expires completely.

This means we cannot combine them with stronger mana flasks anymore (didn't know we even could in the 1st place lol), but can we still queue them like before if used alone ? Please let it be the case