I've played on the PTS a few days ago (PTS isnt the focus here, i just didnt play stam builds which arent a tank at all till that day) as an imperial stamplar...... i've equipped all the popular powerful skills (and vigor, thinking that it would be my self-heal) and went to the imperial city to see how the combat goes there..... i've fought with a group of people against another group of people, and when i got low on health and the healer wasnt around i said to myself "ill just use vigor and continue fighting..." i used it, and besides a visual effect and a small regen nothing really happens, this skill is supposed to be THE stamina healing skill, and besides getting that we get a heal that is not that large, but not too small, IF IT WASNT SPREAD ACROSS 5 SECONDS.....
having the only big stamina heal (that isnt based on environment, hey there repentance) as a regen is awful, it doesnt let stamina builds viable for solo pvp unless you either sneak or have pocket-healer.......
and for those who say that stamina heals arent lore friendly to begin with, remember that this game needs balance..... it's not single player (the main reason ESO gets way more balance outcry compared to other games), and it works totally differently skill-effectiveness wise compared to other TES games
magicka has more utility, healing, and isnt required to block / dodge roll / sneak / sprint / CC break, so at least let the people who choose to use stamina builds something to work with when it comes to self-healing (im not mentioning pots because everyone can chug them at the same rate if they invest in alchemy, which is not a stamina or magicka thing)......
it seems like we're going back (even though we mostly never left) elder staves online, mages have the over-all upper hand.......