Hello Xodroc,
I noticed that you have listed multiple issues in this one thread. I will need you to break this thread up in to multiple threads (one per issue) for tracking purposes. I was able to reproduce the first issue listed in the thread and I have written up a report. I have provided a link to the public tracker. Please feel free to use the link provided for future updates. Also, after making the new threads please post links to this in a reply on this thread so that others can follow up.
Link: Unreal Engine Issues and Bug Tracker (UE-44236)
Make it a great day