Release Candidate 1.0.3 has been promoted to the default branch. If you've been playing 0.16, you can continue playing in that version by switching branches as described here. Here are the major changes from 0.16 to 1.0.3:

• Quick save system: player can now save (almost) anywhere with F5
• Option to disable autosave on warp
• New sector environments, minor improvement to nebula performance
• Updates to various late game missions
• Additional missions
• New space artifacts
• New anomalies
• New reputation effects
• New achievement
• Improve mission log performance
• Procedural generation now detects and re-rolls invalid universe (e.g., missing min number of particular anomaly)
• Aggro due to friendly fire effects shortened, clamped per incident
• Fix to localization not appearing in dialogues
• Added baseline experimental Czech, Korean and Japanese translations
• Numerous bug fixes

• Fully open-world universe with numerous quests and storylines
  
• Hundreds of unique planet anomalies, space discoveries, artifacts and more!
  
• Fast-paced, exciting combat with numerous hostile factions
  
• Over 150 technologies to research
  
• Design your own ship using a modular construction system
  
• Talk and trade with multiple alien factions, each with their own agendas and dynamic AI
  
• Lots of hidden secrets and side quests
  
• Quick save anywhere
  
• Much, much more!

• OS: Ubuntu 16.04 LTS or SteamOS
• Processor: Intel Core i5 2.2 GHz+Memory: 4 GB RAM
• Memory: 4 GB RAM
• Graphics: 2GB OpenGL 3 Capable video card or better
• Storage: 2 GB available space

• OS: 4
• Processor: Intel Dual CoreMemory: 400 MB RAM
• Memory: 400 MB RAM
• Graphics: /
• Storage: 102 MB available space