Newest update is a big improvement! Actually able to get my money's worth and an upgrade or two which feels right. Having the depth number displayed made me realize the importance of going deeper on different plots for better loot which wasn't obvious to me before. Super fun, keep it up :D
I agree the newest update is much better. I played a little while ago, and made no progress. I saw there was an update and played again today (started this morning, and pretty much played all day...nice, chill game). Anyway was able to made decent progress upgrading equipment and affording better mining spots.