Stellarium is a free and open source planetarium application that renders realistic skies in real-time with OpenGL, available for Linux/Unix, Windows and macOS.

Now, after more than 20 years of development, Stellarium has finally released version 1.0. Stellarium 1.0 is also the first version based on the Qt6 framework, with the following updates:

new function

• A new and better Skylight model (not available on macOS and OpenGL ES2 systems)
• Many details surrounding a solar eclipse
• Updated observation list functionality
• What’s New in AstroCalc Tool
• Improvements to HiDPI
• Ability to use Windows Location Services
• Updates to angle measurement, satellites, eyepieces, remote controls, pulsar plugins
• Fixed many bugs
• …

other

• Added support for Qt6 environment
• Added definitions for MSVC++ 17.1 and MSVC++ 17.2 compilers
• Added report JSON generator to Observability plugin for regression testing
• Added OpenBSD patch modified for GPS support
• Added possibly missing timezones
• Added “Go” button to search window location label
• Added wwddmmyyyy date format for observability analysis plugin
• Added hover effect to buttons of Oculars plugin
• Added support for dialog close button 500% scale
• …

More details can be viewed: https://github.com/Stellarium/stellarium/releases/tag/v1.0