Not on full life, life flasks do not restore life to its maximum

After fighting monsters, my health does not go to the maximum if I use life flasks. It stops somewhere at 99% of the max life value. After that, the flasks are inactive: if I press a flask button, flask charges are not consumed, the sound triggers, but the life does not refill.

This bug appears on at least two of my characters, not specific to any leagues (both in Talisman and Perandus).

If I go to the town, the life goes to its maximum.

The life never seems to be below 99%, so I suppose some weird rounding goes on here. Specifically, when the character had 189 life, I could not go above 187; when the character had 208 life, I could not go above 205.

If I have life regeneration, it does regenerate up to its maximum. Now that I made a new char in Perandus, it has no life regeneration yet, so I'm able to make screenshots: https://imgur.com/a/708Lw.

Bug report reference numbers for the two screenshots: 4 016 114 807 and 1 075 018 041.

If this bug is known or has been posted previously, let me know and I'll delete the thread.

Same here, its even worse using a low life build, if life displays a value lower than the cost of a spell with blood magic, you cannot use it and using flasks won't update the life. And it kills me alot since I use Blood Magic Keystone its like a "Silence" that keeps until you turn off something middle fight.

This happens frequently, just made this gif to show how it works.
Flasks not updating health to maximum value, but it updated after using a Summon Skeleton with blood magic, the only way to update the value if its lower than your ability health cost, is taking damage in health or turning on/off blood magic auras.

This is a known issue, i first recorded it a few months ago. It was introduced in 2.0, and it's your client being out of sync with the server. Your hp is full serverside, and but because you have no regen (or are in a no regen map) your hp isn't being resync'd like it normally would.

https://www.reddit.com/r/pathofexile/comments/3y1dtn/bug_psa_eyes_of_the_greatwolf_doesnt_give_you_the/cy9s3au?context=3

and

https://www.youtube.com/watch?v=Z5rSACFn_4A

Oh, thanks for linking me that thread. Good to know the health pool is full serverside.

Have you checked if "on full life" triggers with this bug active? Seems like it should.