Being in groups with large amount of health has always been a problem, and while this update did address some of that (you can tell how damaged your teammates are now, though you still can't tell how much total health they have), it also made it more difficult to tell how much health YOU have.
The addition of the % counter is nice, but it would also be good to have a graphical indicator of how many hearts you have available to fill (as everyone does below 30 hearts).
I made a mockup of what I think would be a simple solution: Use a silver (or gold) outline on the empty pips.
Otherwise, I've found this update to be mostly useful, keep up the good work!
And here's an updated version with what it could look like when you get really low.