but Cutting down Trees From a sapling makes the Trees explode into leave
Was the tree fully grown? Otherwise you won't get any logs from it, you just see the falling leaves effect 
[Change] Command "editconstruction" can also be used to change texture of blocks
Can someone explain to me how this works, i typed it on console but still can figure it out how to use it.
The "editconstruction" (or "editc") command was introduced with the previous update, we just changed the behavior with this update so it can also be used to change block textures. Originally this command was meant to change the rotation, size or texture of a construction element after it was already placed (can also use it to flip posters, for example). You just have to look at the construction element and type "editc" into console, then you will see the possible options (e.g. "editc texture 182" to turn the construction element into a metal texture).
When looking at a block, you can also change its texture by typing this command into console (you have to be in creative mode to do that). Currently you can only change a single element/block at a time, but in the future, there will be a tool like this in creative mode (allowing to change multiple blocks/elements at the same time).
In creative mode you are affected by weather things
This will be changed with the upcoming hotfix 
Hard to tell if muskets have been nerfed, just that this was a crazy battle. This was madness
Thanks for sharing the videos, that was hilarious
But yeah, damage dealt by weapons was reduced with this update... in return, the "reload" procedure of the musket is slightly faster than before. However, since the musket is still slow and inaccurate, I guess it makes sense to increase its damage. This will be done with the next hotfix 
- Karma for cheating a bear:
Hehe, never cheat a bear 
Logs & saplings (cactus also) are hard to pick up ever since this update.
That's true, but this issue should be (hopefully) fixed with the next hotfix
Worms are abundant that I wish when they're on the surface that they would attract birds. If you try luring birds to trap them they should attack you in return that any Crows or Ravens would murder you with a murder; Dive bomb you, and etc.
We will take this into consideration 
When lagging the horse animations would mess up that you'd be hands over heels, or similar to that.
Did it happen to the animation of the other player, or to your own animation while riding a horse?
Horrible lag, yet unsure if it was because of Maiya's connection or the game's stability. Going around on mounts ended up being a chore at times with constant lag-spikes. It got worse at the last 2 hours of the 6 hours session we did.
You mean actual lags (i.e. high ping), or framerate issues / stuttering? Did you play on a dedicated multiplayer server, or via the "Play with friends" option?