I play Ivasaar Veverell, a 7th level sorcerer (Eldritch Archer). I have 19 Dex and 10 Tumble points. However, my AC is only 14. I don't ever see any AC bonuses. I think this is a bug?
Maybe you already know this, but you need 10 RANKS, not points, in Tumble (that is to say, if you got 10 because you have +4 dex, 3 from an item and +3 ranks, you don't get AC. If you got 5 ranks and an item giving -1, you also don't get AC).
It could also be an issue from tanglebag, but I get the feeling its the thing above...
Ah. That might be what it is. I have a number of items adding to tumble, but not ranks. Thank you Don!
Yeah, it is definitely that. Only ranks give AC.
(Do note that points from items still are valuable: they can allow you to run awawy from enemies without extra attacks. On squishies, that can absolutely save your life)