The Space Engineers Server has been updated to 1.040. This update adds much anticipated Pistons, as well as some net code fixes. With this update floating objects should cause less lag.

Blast doors are also added with this update.

Patch Notes:

Features
- pistons
- factions: enabled/disabled member auto-approval
- hacking/breach HUD notification
- thrusters can work without cockpit - through terminal
- blast door blocks (4 types, durability will be balanced in the next updates)
- rotor height adjustment
- semi-auto mode for battery

Fixes
- fixed issue when player could not leave respawn screen
- fixed large antenna texture bug
- fixed steering wheels losing sync
- fixed lags with batteries turned to charging mode
- fixed few instances of death-loop
- fixed multiplayer filter issues
- fixed visible aiming rectangle when turret is of after loading new world
- fixed issue when placing a new landing gear/station block without resources in survival mode was fully built
- fixed missing permanent death configuration when starting DS
- fixed issue with block preview when in 3rd person view
- optimized netcode for creating floating objects

EDIT 07/25/14:
Update 01.040.014
- fixed two different crashes when exiting from the cockpit
- fixed crash in toolbar
- fixed crash with pistons
- fixed pistons flying away after changing the color
- fixed crash in asteroids (caused issues when loading a world or starting DS)
- fixed player cannot move issue
- fixed issues with mods not loading (there's still problem with model textures)