I hope they improve the start menu search and prevent cases when right clicking a file can freeze the PC frequently.
That the message pump of the explorer windows stop because a server in another country is down must be a design that is extremely hard to change in windows explorer - because they have surely seen this problem.
but then you have another problem: if the system load is high (eg. hard drive is busy), then context menu items would randomly disappear. That's arguably worse than before, because it happens randomly.
>or show a spinner
you mean this? https://en.wikipedia.org/wiki/Windows_wait_cursor