Hehe, thank you very much for your kind words and your feedback! 
I take this opportunity to ask you, that when I select the tool to delete vegetation, all works fine selection, etc... but when I hit the button to delete the selected area... that just don't work, that does nothing... if I'm not wrong the right key is "delete" keyboard input?
Hmm... DEL is indeed the correct key for the creative mode removal tools 
Did it happen with trees, or with smaller plants (flowers etc)? When it comes to trees, make sure the roots are covered (or at least the tree stump).
-Maybe in future adjustment terrain generation, have something more smooth/flat to construct and hills not that so abrupt/verticalish... the height is ok, with all the snow etc... but sometimes you have that impression that the hill in front of you is like a wall... too much vertical sometimes
It's indeed our intention to add more options to determine the total amount of mountains that should spawn in the world, and also to determine how flat it should be in general 
But unfortunately we have no ETA for that yet...
-and the second one, is the fact that when you smooth the terrain (in survival as well as in creative) you have not the possibility to do a small angle between the current smooth level and the next smooth level, that does like a little "stair" between both, that would be great if you have the possibility to choose/configure your smooth terrain level, to make it more linear (without this kind of terrain stairs...)
Yeah, unfortunately the smoothing tool still works like in the Java version 
The new version is capable of generating smoother terrain, but unfortunately you can't recreate it with the smoothing tools yet... but this is on our to-do list
-starting with the notion of having a "realistic/natural" game... if I'm not wrong, I think in all the animals that you have implemented in Java edition, you don't have implemented wolfs... (don't know if they were planned though) but man, wolfs are a "must have", I imagine in this new generation world, when I walk through this "mixed" forest (not the "spruce forest", this one is lovely for bears... ^^) I cannot stop about seeing wolfs sniffing me lurking behind me etc... that would be very very amazing and scaring... this terrain smells too much their hunting-ground
Hehe, wolfs were indeed planned for the Java version back then, but they never made it into the game unfortunately... but it's our intention to add them to the new version 
I see in Java edition you have implemented some kind of demolished home 'structures' it is very good and hope can see it here as well, but this combined with bandits walking around (want them to travel the world just like as they does before), that would be very very cool if you can implement some kind of bandit camps...
Bandit camps are on our to-do list The idea was that new bandits will keep spawning there over time (if bandit population in that area gets too low) unless you wipe out the camp
This will be an optional feature though, so people could disable bandit camps if they don't want to deal with them^^
-And last one right quick, as well as wolfs, would be to have crocodiles... I thought I heard that the swamp biome was planned to Java version, hope (but, probably sur it will) this one will come to Unity also, and have crocos here, is a "must have" too...
Crocodiles are also planned 
PS: When can we (approximately), play with NPCs? 
It is our intention to get them ready this year, but unfortunately I can't guarentee that... it depends a bit on how long it will take to finalize the current world gen update (hotfixes etc)
Der Hotfix hat lediglich die Anzahl an Setzlingen bei Apfelbäumen geändert (denn nachdem Äpfel gepflückt wurden hat ein Apfelbaum immer nur noch 1 Setzling von sich gegeben). Das betrifft aber auch bereits existierende Apfelbäume. Die Spawnrate wurde bei anderen Bäumen nicht angepasst. Meist ist es ein zufälliger Wert zwischen 1-3, und es ist auch egal, wo die Bäume stehen oder wie lange sie schon dort stehen 
