TL;DR The AI is a bit more competent, and there should be a bit more polish.
New Features
Added housing and labour icons
Added auction scenes and UI (for upcoming updates)
Added sparks particle effect
Improvements
AI behaviour improvements for better early game selling and industry building prioritization
AI companies now invest into different industries rather than duplicating efforts
Balance changes to resources and buildings
Optimizations to various utility scripts (DataChecksum, FileCopyUtility)
Compressed particle textures
Updated color definitions
Bug Fixes
Fixed game staying paused when started (except on host)
Fixed multiplayer and syncing issues
Fixed lobbies closing when exceeding 12 players
Fixed issues with financial data
Fixed issues with sol count
Fixed signal-related bugs and renamed old signals after time system changes
Updated time variables to match new Sol system
Steam sync agent fixes
Converted print statements to use ErrorLogger