Stellarium/stellarium v26.1

on GitHub

The installers are located in the "Assets" section at the end of these release notes!

Glad to announce the release of Stellarium 26.1 for all platforms. This is our first release in 2026 with exciting features and many
bug fixes.

The major changes of this version:

• Added two new sky cultures
• Added Time Navigator plugin
• Many improvements for support Windows/arm64
• Many significant improvements in sky cultures support
• Many improvements in plugins
• Many improvements in Core and GUI
• Many updates in sky cultures

Thanks to all the developers, testers, and users who made this release possible with your contributions and feedback.

What's Changed

Full list of changes:

• Added support to non-standard regions in list of sky cultures (GH: #4843)
• Added Chinese (Xianglin Star Chart) and Manchu sky cultures (GH: #4779)
• Added ability to change the density of grid lines (GH: #4773)
• Added ability to disabling show an OAG angular limits (GH: #4688)
• Added FOV-dependent Moon enlargement (GH: #4806)
• Added Time Navigator plugin (GH: #4817)
• Added "Planetary Events" feature for Time Navigator plugin (GH: #4828)
• Added missing full stops in narration
• Added Mongolian and Hieroglyph fallback fonts (Windows)
• Added improvements for ASCOM telescopes
• Added support of new time step: Metonic cycle (GH: #4769)
• Added examples for select the planetary features in scripts (GH: #4761)
• Added missing flag for InfoBox (GH: #4734)
• Added link to MPC's list of bright minor planets in opposition available for 2026 into Solar System Editor plugin (GH: #4730)
• Added vcs-browser URL into metadata (GH: #4714)
• Fixed path to territory.geojson
• Fixed translation regions in GUI
• Fixed visual style for new feature in the Sky Cultures tab
• Fixed observing list window displaying incorrect list name after delete (GH: #4837)
• Fixed crash when trying to reach View dialog (GH: #4841)
• Fixed comet tail extinction (GH: #4827)
• Fixed deleting items from observing lists (GH: #4826)
• Fixed saving description in observing lists (GH: #4824)
• Fixed compilation on Windows
• Fixed compilation on macOS Tahoe
• Fixed orbital parameter of HIP91919 and parallax of HIP 28360 (GH: #4818)
• Fixed crash: avoid NaN result (GH: #4619)
• Fixed scaling of meteor shower icon
• Fixed scaling of other object pointers
• Fixed size of meteor shower, satellite, DSO pointers
• Fixed wrong defaults in Extinction (GH: #4619)
• Fixed typo in asterism (GH: #4801)
• Fixed spelling error
• Fixed an assertion (GH: #4803)
• Fixed compilation for Qt5
• Fixed select single constellation in some languages (GH: #4775)
• Fixed sync for InfoBox's flags
• Fixed detecting dependencies for Text-To-Speech feature (GH: #4765)
• Fixed docs
• Fixed scripting API docs
• Fixed typos in sky cultures
• Fixed compilation with Qt 6.10+: QXlsx switched to master to avoid compiling issue when Qt 6.10+ is used
• Fixed Spelling in Roman calendar in Calendars plugin (GH: #4727)
• Fixed year of copyright and version of application
• Fixed crash at exit from Stellarium (GH: #4713)
• Fixed DOI for citation
• Changed core And GUI: Expansion of skycultures through spatial and temporal extent (GH: #4683)
• Changed core: Change how zoom limits for map in sce are handled (GH: #4846)
• Changed core: Make object searches return StelObjectP
• Changed core: Rewrite SearchDialog logic
• Changed core: Strip away some HTML decoration from infostring and narration
• Changed core: Use translation setting for Zodiac/Lunar Station infostring labels (GH: #4830)
• Changed core: Refinements for TextToSpeech output (GH: #4706)
• Changed core: Increase minimum number of facets of the planetary mesh
• Changed core: Allow Vec4 in RemoteControl API (GH: #4780)
• Changed core: Re-enable high graphics mode for OpenBSD and NetBSD operating systems
• Changed core: Added improvements for support ARM64 architecture on Windows
• Changed core: Re-enable high graphics mode for OpenBSD and NetBSD
• Changed core: Take care of application font change (GH: #4620)
• Changed logger: fix for Haiku OS name detection
• Changed logger: improved hardware detection for OpenBSD
• Changed logger: cosmetic fixes for Solar System Editor plugin
• Changed scripting engine: Also remove labels, skyImages and screenImages when clearing the scene in a script (GH: #4781)
• Changed behavior of AstroCalc/Phenomena tool: do not disable selection of the objects when list of phenomena is empty (the mode "Last selected object" is enabled)
• Changed OnlineQueries plugin: Updated ASE URL (GH: #4763)
• Updated albedo texture of the Moon
• Updated planetary nomenclature
• Updated default list of comets and minor planets
• Updated translations
• Updated default catalog of exoplanets
• Updated list of contributors
• Updated discovery circumstances for comets and minor planets
• Updated photometry data for artificial satellites
• Updated Babylonian (MUL.APIN) sky culture
• Updated Norse (Edda) sky culture
• Updated Help dialog: added Scenery3D movement keys
• Updated DSO catalog to v3.23
• Removed a broken duplicate of page_surveys
• Removed ridiculously huge minimumSize from culturesListWidget
• Removed duplicate sky culture layout from Survey tab
• Removed code for autoselect of the discrete graphics cards (GH: #4758)

Packages notes

Verify

GPG signature

1. Import Stellarium's GPG key
   curl -O https://stellarium.org/files/stellarium.gpg
2. List Stellarium's GPG key
   gpg --with-fingerprint --show-keys --keyid-format long stellarium.gpg
   id: rsa4096/BF38D4D02A328DFF 2012-04-07
   fingerprint: 7915 1C2E 6351 E727 8DA1 A730 BF38 D4D0 2A32 8DFF
3. Verify the binary file is valid (tarball for example)
   gpgv --keyring ./stellarium.gpg stellarium-26.1.tar.gz.asc stellarium-26.1.tar.gz