TLDR; the dev is a scammer that loves free money and gives nothing in exchange. The game was abandoned for two years and when the earnings started dropping, he came back to release this shitty 0.6 version to make it look like it's still being worked on... only to disappear again because the earnings are back to thousands of dollars every month for free.
Constant excuses, greed and abandoning, that's all there is.
If you already checked some forums here, sure you already know that it's always the same story.
First a fresh game appears with good gameplay, scenes and potential.
Devs always tell: The hard part is already over and date of the next update -even finishing the game- soon will be ready.
Then fishing season starts:
2nd update comes after few months. Then every update comes after a longer time than the previous one. No need to tell that these so called updates contain very little changes.
Of course similar ”unfortunate” excuses: unexpected technical difficulties, coding takes much time, real life problems, changing graphic engine for better gameplay, some bugs needed to be fixed, lost some files etc etc...
A few devs are serious about what they are doing. But I can't say they are more than 4 or 5 devs.