Any changes to scenery on multiplayer do not appear until reconnecting, which affects placing scenery and removing scenery. The changes, however, do appear completely but only after reconnecting. I did not desync from any of the servers while testing this.
I'm running OpenRCT2 via Launcher 64-bit and with a 1920x1080 monitor on Windows 10. Using Fullscreen will cause the resolution and overall game graphics to look awful and offset. Fullscreen Borderless Window or Windowed completely fixes it, but I do like using Fullscreen. Sadly I cannot take a screenshot while in Fullscreen.
EDIT: New update has fixed this