Siril 1.4.0

[system]

• Introduction
• A demanding development cycle
• What’s new since RC2
  • Improvements
  • Fixes
• Key features of Siril 1.4.0
  • Astrometry and calibration
  • Advanced image processing
  • Stacking and mosaics
  • Scripts and automation
  • Visualization and analysis
  • Photometry
  • Interface and ergonomics
  • Performance
• Important: macOS support evolution
  • Support for macOS < 13 Ventura seriously compromised
  • Considering dropping Intel Mac support
• The book on Siril is coming!
• What’s next: Siril 1.5
• Acknowledgments
• Report bugs

Introduction #

We are immensely proud to announce the release of Siril 1.4.0 stable!

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This is a companion discussion topic for the original entry at https://siril.org/download/2025-12-05-siril-1-4-0/