This is a bug regarding furnaces please fix it immediately

I just downloaded the new update 0.7.0 and I immediately had trouble using a furnace I wanted to make some charcoal I put in the logs and then I tried to switch it to the fuel box to put planks but it wouldn't switch come on you delayed the update untill June when you said mid may and I already found a bug fix it as soon as possible please

P.S. I thought there was supposed to be red stone in this update