Note that the embargo on X4: Kingdom End previews and pre-recorded videos ends on April 5, 2023 at 2pm CEST. So if you want to see more of X4: Kingdom End ahead of its release on April 12, you can expect to find more videos online from X4 content creators soon after the launch trailer premiere.
https://store.steampowered.com/app/1990040/X4_Kingdom_End/