Stellarium/stellarium v25.3

on GitHub

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

Release notes

Glad to announce the release of Stellarium 25.3 for all platforms. This is our third release in 2025 with exciting features and many bug fixes.

The major changes of this version:

• Many changes in support of sky cultures
• Added new plugins: Sky Culture Maker
• Many improvements in Core and AstroCalc
• 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 more realistic texture of the Sun (GH: #4517)
• Added ability to compute time when Sun and Moon at custom altitude in AstroCalc/Almanac tool (GH: #4467)
• Added ability to set minutes before sunrise/after sunset in AstroCalc/Almanac tool (GH: #4513)
• Added ability to handling yesterday/tomorrow in AstroCalc/Almanac tool
• Added ability to increase cross size in "Markings" Menu (GH: #4368)
• Added ability to toggle current time speed to zero and back (GH: #4497)
• Added ability to select object at rise, transit or set time in AstroCalc/RTS tool (GH: #4472)
• Added ability to draw graph's (AstroCalc/Graphs) from keyboard (GH: #4471)
• Added patch for INDI from OpenIndiana
• Added new plugin: Sky Culture Maker (GH: #4454)
• Added the missing 7 stars in Chinese SC (GH: #4524)
• Added ability to show object's constellation info in InfoString
• Added Arab Lunar Mansions
• Added english name as comment to translation of sky cultures items
• Added code to extract byname and pronounce for translation of sky cultures
• Added bynames to a few modern skycultures
• Added byname tag to constellation descriptions for further label refinement
• Added communication data for some satellites
• Added groups of communications satellites
• Fixed possible dependency problem in linux
• Fixed repetition of "modern" label part
• Fixed rendering the center of umbra after adding SSO's (GH: #4302)
• Fixed crash (GH: #4512)
• Fixed crash in AstroCalc/Graphs/Lunar Elongation in debug mode (GH: #4447)
• Fixed star catalog loading on big-endian systems (GH: #4504)
• Fixed decoding packed number (GH: #4503)
• Fixed CSS
• Fixed compilation on GCC 9
• Fixed infostring (GH: #4468)
• Fixed hardware detection in linux
• Fixed hardware detection in *BSD
• Fixed unintended rotation by 180° of sky surveys
• Fixed type conversions
• Fixed few typos in docs (GH: #4530)
• Fixed text errors in two Chinese Sky cultures (GH: #4528)
• Fixed issues in Chinese Song Dynasty Skyculture (GH: #4525)
• Fixed Chinese SC: correct the lines of Ox (GH: #4524)
• Fixed missing "Added" in Chinese names ending in "(In XYZ mansion)"
• Fixed typos in Chinese SC
• Fixed gravity labels for RTL languages
• Fixed search the minor planet by name without number
• Fixed ugly display some glyphs in Qt 6.9+ (GH: #4284)
• Fixed getting CPU frequency in macOS (Apple Silicon)
• Fixed show pixel grid of sensor crop overlay (GH: #4436)
• Fixed formatted output of object info (GH: #4408)
• Fixed HIP number for Menkar in NavStars (GH: #4402)
• Fixed LandscapeFisheye shader in GLSL 1.00 mode
• Fixed a few names and trace references
• Fixed InfoString with RTL components (GH: #4542)
• Fixed Error message in plugin SkyCultureMaker (GH: #4546)
• Fixed visual bug in Solar System Editor plugin (GH: #4534)
• Changed core: center Zodiac and Lunar Station labels (GH: #4510)
• Changed core: make sure a Zodiac/Lunar label is visible
• Changed core: don't break orientation lock when moving location (GH: #4450)
• Changed core: extended time interval (GH: #4501)
• Changed core: allow variations in latitude extent of Lunar mansions
• Changed core: reduce labels for Zodiac and Lunar Stations to single components
• Changed core: speedup texture loading when desired frame rate is low
• Changed core: make it possible to choose between multiple planetary HiPS per planet (GH: #4459)
• Changed core: avoid label position reset (GH: #4455)
• Changed core: switching to using SourceForge.net CDN as default storage of the stars catalogs (GH: #4460)
• Changed core: store flagConstellationPick (isolated constellation selection) (GH: #4396)
• Changed core: undo false optimisation (GH: #4415)
• Changed core: use exact stars magnitude when there is a artificial cutoff (GH: #4438)
• Changed GUI: apply screen font scaling to compass marks (GH: #4307)
• Changed GUI: follow the user selected time format in GUI (GH: #4392)
• Changed GUI: fix handling of app font change (GH: #4510)
• Changed GUI: moved few related actions into 'Scripts' group (GH: #4482)
• Changed GUI: avoid disabling checkbox in sky cultures (GH: #4396)
• Changed GUI: single language box for whole program (GH: #4445)
• Changed logger: cosmetic fixes for CPU data
• Changed logger: cosmetic fixes - normalization
• Changed logger: limit list of video adaptors by availability
• Updated rules for creating an AppImage package (GH: #4405)
• Updated installer for Windows: added hook for Qt6WebEngine (GH: #4407)
• Updated standard DSO catalog
• Updated star catalog (level 0) (GH: #4427)
• Updated icons for macOS (GH: #4424)
• Updated the list of planetary nomenclature
• Updated default catalog of pulsars
• Updated default catalog of novae
• Updated the default list of satellites
• Updated photometry data of satellites
• Updated the default list of locations
• Updated the default catalog of exoplanets
• Updated the discovery circumstances for comets
• Updated the discovery circumstances for minor planets
• Updated script 'Messier Objects Tour'
• Updated script 'Jupiter Moons'
• Updated AstroCalc/Ephemeris GUI: Increase duration from 100 -> 1000 units of time (GH: #4416)
• Updated standard DSO catalog
• Updated minimal requirements for macOS
• Updated Modern SC: move star name translations to bynames (GH: #4382)
• Updated Babylonian (Seleucid) SC
• Updated Babylonian (MUL.APIN) SC
• Updated Chinese (Song dynasty) SC
• Updated all Arabic SC
• Updated dependency: upgrading CPM from 0.40.8 to 0.42.0
• Removed old edges from Chinese skycultures (GH: #4377)
• Removed workaround for bug LP:1498616
• Removed double application of nutation in Infostring (GH: #4421)
• Removed duplicate point in Coma Berenices line in Modern (IAU) sky culture (GH: #4411)

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-25.3.tar.gz.asc stellarium-25.3.tar.gz