Considering most akali players kinda learned to play around that pink ward counter to at least some degree it is not a noticeable buff and for all of riots talk about it caterign to akali mains it is more of a dumbed down help to people new to akali then anything.
The shroud mini "flash" is at the expense of being able to use her shroud in many different ways be it checking a bush, check over a wall and then ult to a target, movement speed boost for chasing or running away or slowing enemies. Yes they are all kinda still there but sicne it is automatically placed where you are standing all of these factors are nerfed and they wouldn't evne consider making it to parts where first cast is placement and second is the mini flash because akali already has "too much mobility" even though champs like Yasuo exist.
Akali's damage is down and the time it takes to get damage out is up meaning you are more likely to die while trying to kill a target This is a fact of playing akali.
There was no straight out buffs and the silver linings were at the expense of nerfs.