They sure rushed out this with regard to stake change if you ask me.
Play on 50p, get to second hold on bars or the like, if you run out of credit the fucker reverts back to 30p play and can offer the hold, switch back to 50p play and the hold disappears! There's no continuity unless you are constantly in credit on 50p play.
Oh, and btw if you get that 3rd hold when it's gone back to 30p play, it doesn't give the win anyway !
Confucius say "man who know wombat know more than stupid looking monkey"