Idk if you already noticed those things, but on my Android (and probably on weaker devices in general as I know) some unplayable places appeared and continue existing.
1) Warlock can't be fought without a crash. Started from 0.3.12, 0.3.19 didn't change.
2) Fire Elemental, the battle crashes since 0.3.12, actual build still has it.
3) Dark Knight somehow fixed now, she can be fought. Sometimes still would crash.
4) Goblin and Harpy will crash every now and then. It's playable.
4) Pageant Grounds never were playable, crashes, I'm sure I'm not alone in it.
5) Demon King in recent versions can't be fought, crashes when starting an encounter. It was unstable before but okay.
6) Finally the two important places, Silajam Inn and Town Square, are unplayable since 0.3.12, they always crash.
There are many recurring minor bags, too, like goblin male giving you +1 +1 experience, meaning two. When touching Friendly Wereslut tail, Kylira affection gets +5 even when he's not present in the team. Sometimes in battle penetration animation in the ring playes, even when there's nothing sexual involved. Happened with Brigand Thief recently I think.