This update brings a few new blocks, some QoL changes, and many various bugfixes.
Pictured is the Plated Conduit, which is a liquid equivalent of the Armored Conveyor, and the Battery Diode, which can be used to directionally transport leftover power from critical areas. Both of these blocks were made with the help of @Quezler on GitHub.
A new lighting system is being tested. This can be enabled by starting a custom game and enabling lighting in the rules. Full changelog:

• Added experimental lighting system can be enabled in custom game rules
• Added power diode block (Contributed by Quezler)
• Added plated conduit block (Contributed by Quezler)
• Added hotkeys for selecting blocks (Contributed by joshuaptfan) [Desktop]
• Added light block for dark maps only
• Added customizable global rules [Server]
• Added commands to specify next map in rotation [Server]
• Improved pulse conduit speed (Contributed by Quezler)
• Improved building priority
• New permissive mod parsing format (HJSON)
• Fixed a few incorrect consumption displays in blocks
• Fixed some modding issues related to sets and formatting
• Fixed 'underwater' ores in editor
• Fixed incorrect bridge linking in certain conditions
• Fixed inverted sorter chains
• Fixed many other UI and minor in-game bugs

Gameplay

• Create elaborate drills and conveyor designs to move resources into your Core
  
• Use production blocks to create a wide variety of advanced materials
  
• Build drones for automatically mining resources, assisting in building and protecting your base
  
• Distribute liquids and fight constant challenges, like outbreaks of fire or enemy flier raids
  
• Get the most out of your production by supplying optional coolant and lubricant

Campaign

• Advance through 12 replayable built-in zones with randomized spawn points
  
• Collect and launch resources
  
• Research new blocks to fuel progress
  
• Configure launch loadouts to bring resources to each zone
  
• Variety of mission objectives and goals
  
• Invite your friends to complete missions together
  
• 120+ technology blocks to master
  
• 19 different types of drones, mechs and ships
  
• 50+ achievements to complete

Gamemodes

• Survival: Build turrets to defend from enemies in tower-defense based gameplay. Survive as long as possible, optionally launching your core to use your collected resources for research. Prepare your base for intermittent attacks from airborne bosses.
  
• Attack: Build factories for units to destroy the enemy cores, while simultaneously defending your base from waves of enemy units. Create a variety of different types of support and offensive unit to assist you in your goals.
  
• PvP: Compete with other players on up to 4 different teams to destroy each other's cores. Create units, or attack other bases directly with your mechs.
  
• Sandbox: Play around with infinite resources and no enemy threat. Use sandbox-specific item and liquid source blocks to test out designs, and spawn in enemies on request.

Custom Games & Cross-Platform Multiplayer

• 12 built in maps for custom games, in addition to campaign
  
• Play Co-op, PvP or sandbox
  
• Join a public dedicated server, or invite friends to your own private session
  
• Customizable game rules: Change block costs, enemy stats, starting items, wave timing and more
  
• Mix&match gamemodes: Combine PvP and PvE gamemodes together

Custom Map Editor

• Paint terrain with an editor UI
  
• Edit and preview structures in-game
  
• Configurable tool modes: Change how each tool functions
  
• Powerful map generation system, with many different types of filters for procedural manipulation of terrain
  
• Apply noise, distortion, smoothing, erosion, symmetry, ore generation and random terrain to your maps
  
• Randomize and configure ore generation, as well as placement of river and resource tiles
  
• Configure enemy wave layouts
  
• Share exported maps on the Steam Workshop
  
• Customize base map rules
  
• Use 75+ different environmental blocks

• Memory: 1 GB RAM
• Graphics: Anything with OpenGL 2.0 Support
• Storage: 100 MB available space