Slowly it becomes tradition, that after the next big version of the game being released , in a short time after her, occures another which is something like hotfix. Economies of scale makes its own and run a program on multiple computers, by many users finds consecutive errors and faults. With some of them you can live, others are quite critical and require a fairly rapid response.
So it happened with version 0.9.0, which, as it turned out contains a fairly major bug in algorithms. The effect is that, after several years of the game the popularity many (average popular) creators going into the space. Problem found again Kacper, who sent me a movie illustrating the problem. After examination I was able to find its source and fix it.
By the way the new machanism which automatically sending errors to the server online works. Thanks to it I got auto notification of several other (smaller) problems arising in specific situations.