I think the voices are a welcome edition to the game. A large portion of the game, at least for me anyway, is the music ans souds.
As for the combat, it seems a lot better, except I would point out that... is that how you usually fight? I know it's a test but the less enemies on the field, the fewer enemies you take damage from. You could have easily taken out plant B with it's current health, yet you didn't take it out until later. When you did, you used a spell, which wastes MP when you could have just used a basic attack. Okay, I know you were just testing things out, but it's just so impractical.
If you take to long on v6, I will start speedrunning v5 lol.