Preview 1.21 is now live on the preview branch.
Please report any bugs here and follow the instructions carefully.

This is a preview branch. Do not play on this version of the game unless you are accepting of potential bugs, lag, and possibly permanently corrupting your save data (or worse).

1.21 - August ?? 2021

Added

• Liquid pressuriser
• Liquid pressure valve
• Destructible activation propagation wires
• Hover thruster
• Accumulator battery
• Automatic spike gun
• Red LED, Blue LED, Green LED, White LED
• More mystery liquids
• Lava pools now work nicely with ambient temperature
• All contraptions saved from now on will include a list of required mods. When selecting a modded contraption, the game will display a list of required mods if you don't have them installed or enabled.
• Scrollbar to the mod menu and toybox
• More ambient sounds
• Gate now has a double trigger mode
• Some UI sounds
• A clear "Steam uninitialised" warning dialog box

Changed

• Simplified some object colliders
• Bone breaking sounds
• Minor texture changes
• Missile launcher missile is now disarmed until its fins are deployed
• Made the phase link smaller
• Ceiling turret moves less smoothly and more robotically
• Laser performance improvements
• Detector performance improvements
• Dialog boxes are clearer now
• Other major performance improvements
• Hovercars now hover over water
• Increased mouse scrolling speed in menus
• Some UI sounds
• Bone breaking poison is less instant
• Decreased the chance for damage to the upper body to do damage to the heart
• Changes to the internal map system. Note to custom map creators and users: your maps will inevitably break in the upcoming updates. They may work to an extent but you should consider them obsolete.

Fixed

• A broken plate being heavier than a normal one
• Stuff being rendered outside of map bounds
• Some items going haywire inside lava
• Context menu closing when the scrollwheel is clicked
• Valves still transferring pressure when closed
• Channel-related bug with the gate
• Liquid related bugs
• Detectors, lasers, and the missile launcher detecting themselves when moving fast
• Lasers blocking their own beam
• Minor disintegration & crushing bugs and also performance improvements
• Item persistence bug
• A memory leak
• Heart rate monitor issues
• UI lock when attempting to publish a contraption to the Workshop before Steam is initialised
• Debris not being scaled with the destroyed object correctly
• Camera trying to follow disintegrated/crushed objects
• Other minor bugs

Removed

• The play button on the maps menu. Just double click the map icon.