Welcome to week #3 of Space Engineers Bugfixes.

One notable change is that piston height has gone from 2 blocks to 3. This is should help with stability. They have also reduced the range of missiles down to 800m.
Patch Notes:

Features
- changed the piston’s height from 2-blocks to 3-blocks. Pistons should be more stable now (your current creations will not be affected by this change)

Fixes
- default missile range has changed from 1000m to 800m
- fixed piston performance issues
- improved ship collision performance
- fixed rotor performance issues
- fixed player not being able to remotely control ship when locked via LG
- fixed stacked piston group toolbar issues
- fixed spotlight's light bit ahead of themselves and shine in only one direction
- fixed player not being able to exit remote control when second player enters the cockpit
- fixed placing block with tool in hand
- fixed wrong offset for flight seat camera
- fixed cannot control the ship after using and disabling thruster override
- fixed pistons shape is causing small ship rotation
- fixed unable to place sloped light armor blocks (texture crash)
- fixed ProjectileTrailColor tag preventing weapon mods from loading
- fixed crash when spawning in modded re-spawn ship
- fixed large bomb effect when detonating small and large warheads together
- fixed beacon HUD being visible without power
- fixed issues with pasting blueprints into the world
- fixed crash when exiting from game to menu
- fixed minor model viewer issues
- fixed broadcasting always switching ON after loading a world
- fixed jetpack flames getting into view in 3rd person
- fixed missile launcher not shooting at each crank & missile turret shoots only from center
- new programmers added to credits screen

Update 01.056.013
- fixed huge slowdowns and DS/MP issues
- fixed crash when turrets on small ship were in the game
- fixed crash when merging two ships together
- fixed G-menu search terms not updating