SpiceyPy

## [8.3.0] - 2026-10-11 ### Added - Python 3.15 support: cp315 wheel builds, CI test matrix, and PyPI classifier (#575) - PEP 561 `py.typed` marker and `Typing :: Typed` classifier so type checkers use spiceypy's annotations (#552) - mypy type checking CI job and `typecheck` depe

## [8.2.0] - 2026-07-24 ### Added - Restored Python 3.10 wheel builds and corrected PyPI classifier (#561) ### Changed - Faster wheel builds using more cores and building cspice once per cibuildwheel job (#563) - CI caches cspice from mirror (#549) and more robust uv setup (#548)

## [8.1.1] - 2026-06-14 ### Removed - dropped Python 3.10 ### Added - Length guard checks to 16 functions to validate buffer/string sizes (#542) ### Changed - Removed prange usage in cyice (#538) - Bumped pyodide to 0.29.4 and pyodide-build to 0.34.2 - Updated to cibuildwheel v4.

## [8.1.2] - 2026-06-14 tiny patch release, see 8.1.1 release for changes from 8.1.0 ### Added - Python 3.14 Pyodide/WebAssembly (wasm32) wheels ### Changed - Updated pyodide to 314.0.0 and pyodide-build to 0.35.1 for Python 3.14 / Emscripten wasm builds ### Fixed - Pass `--repo`

## [8.1.0] - 2026-04-04 ### Added - Pyodide/WebAssembly build support for SpiceyPy (excluding cyice) (#527) - `__all__` exports for spiceypy and cyice modules - Interactive Pyodide/PyScript-based code examples in Sphinx documentation (#529) - Custom Sphinx extension for PyScript

test dev release for pyodide

## [8.0.2] - 2026-02-16 ### Removed - ci pr builds for 3.10 and 3.11 as excessive (wheels will continue to be published for these versions) ### Added - slightly better test for mequg ### Fixed - fixed api consistency in cyice to be consistent with spiceypy - fixed parameter doc s

## [8.0.1] - 2026-01-07 ### Added - Adds tests specific to logging ### Fixed - fixes spiceypy logging initialization - fixed how spicebools were defined in cyice

## [6.0.3] - 2025-07-17 Backport fix for spice cell functions ### Added - Add assertions that passed-in SpiceCell is correct type for `bltfrm()`, `ckcov()`, `ckobj()`, `kplfrm()`, `spkobj()` ### Fixed - Corrected bug where bool was used instead of is Null for specifying return Sp

## [7.0.0-alpha] - 2025-08-29 Alpha Release of SpiceyPy with Cyice, Cython accelerated Spice This is just for testing new build system/ci steps for publishing artifacts. They should show up on testpypi, if not we may do a few more alpha releases... ### Added - Cython extension su

## [6.0.2] - 2025-07-12 Backport fix to avoid numpy version change before v7.0.0 release ### Changed - changed numpy version pin to be 'numpy>=1.23.5'

## [6.0.1] - 2025-06-24 Backport release of various small fixes and typo corrections ### Added - python 3.13 builds - missing exceptions from cspice #494 - new required readings docs #489 ### Removed - cirrus ci was removed - gitter chat info ### Changed - Added units to many par

## [5.1.2] - 2022-10-14 fix for exception error message toolkit version ### Fixed - exceptions now use dynamic lookup of toolkit version for error messages

## [5.1.1] - 2022-07-30 fixes macOS arm64 cross compile ### Fixed - updated get_spice.py to allow for arch override for macos arm64

## [5.1.0] - 2022-07-09 adds wrappers for the majority of new function in n67 ### Added - azlcpo - azlrec - chbigr - chbint - chbval - ckfrot - ckfxfm - ckgr02 - ckgr03 - ckmeta - cknr02 - cknr03 - dafhsf - dasadc - dasadd - dasadi - dashfs - daslla - dasllc - dasonw - dasops - d

## [5.0.1] - 2022-03-23 minor update to make ld_library_path update safer ### Fixed - override of ld_library_path is now temporary ### Changed - updated copyrights for 2022

## [4.0.3] - 2021-11-14 ## Added - changelog now rendered in docs - runtime override of cspice via env var or ld_library_path - pyproject.toml and setup.cfg - CSPICE N66 patches from NAIF/conda-forge feedstock - builds for aarch64 and macos arm64 ## Changed - switched to src layo

## [4.0.2] - 2021-08-13 ### Fixed - getfat variables size #420 - safer cleanups in tests

## [4.0.1] - 2021-05-31 ### Added - docs info about ARM support, currently limited to conda-forge spiceypy - docs citation info/basic intro - hash checksums for test kernels - offline install ci tests - warn_deprecated_args function to aid future deprecations ### Deprecated - add

## [3.1.0] - 2020-05-25 ### Added - added irfnam, irfnum, irfrot, irftrn - added kpsolv, kepleq - better exceptions, many hundred spice toolkit defined exceptions - copy button to docs codeblocks - added CSPICE_SRC_DRI envvar override to specify cspice src directory during instal

exactly the same as 3.1.0 but with a fixed manifest.in file that could break the installation for users. ## [3.1.1] - 2020-05-25 ### Fixed - missing get_spice.py in manifest

## [3.0.2] - 2020-02-19 #### SpiceyPy 3.0.2 release. JOSS paper, and many improvements to the docs. ### Added - et2datetime function - funding.yml ### Changed - changed http to https in docs/docstrings ### Fixed - many small issues with the docs - author name in joss paper - fixi

## [3.0.0] - 2020-01-09 🐍🐍🐍 > 🐍🐍 ### Added - Python 3.8 support ### Changed - using black for code linting - now using type hints - vectorized functions now return numpy arrays instead of lists of arrays ### Deprecated - python 3.5 - python 2.7

### Added - wrapper for ev2lin - numpy string support ### Fixed - some equality checks ### Changed - updated MANIFEST.in to include test code - vectorization of et2utc - vectorization of scencd - vectroization of sc2e

very minor update to include test code into sdist tarball no code changes since 2.3.0 ### Changed - updated MANIFEST.in to include test code

### Added - wrapper for tkfram - wrapper for ckfrot - wrapper for zzdynrot ### Fixed - issue with dafgda absolute value problem, see issue #302

Fixes issues related to numpy release 1.16.4 and 1.17.0 by updating requirements.txt and setup.py a bit. ### Changed - set numpy version to 1.16.4 for python 2 - other dependency changes to setup.py and requirements.txt ### Fixed - typo in a unit test fixed

This release includes the last of the geometry finding functions that were not wrapped before. A number of user contributions were included and a few simplifications surrounding spicecells were made to make creating them easier. The NAIF produced spiceypy-based "lessons" (long tu

The release fixes issues relating to how booleans were handled #260 and improves conversions between ctypes arrays and numpy arrays. ### Changed - numpy to ctypes and back conversions improved ### Removed - a few bool related internal things in support_types ### Fixed - issues re

has tentative fixes for installation issues with pip/wheel including new wrapper functions and other fixes and contributions ### Added - wrapper functions for gffove and gfocce and associated callbacks - proxymanager for spice download by B. Seignovert ### Changed - simplificatio

### Added - Completed wrapping of all new N66 DSK functions - 3.6 classifier - context manager for turning on/off found flag catches - contributor guide - freebsd support - added tests for dozens of functions, wrapped almost all remaining functions ### Fixed - added six and numpy

Last release to feature N65 Spice, future releases will target N66 ## Added * added python3.6 builds ## Fixed * fixed formatting on changelog * fixed issues with rtd builds ## Changed * version updated * converted all downloads to use https

## Added - wrapper functions and tests for fovray, fovtrg, pxfrm2, occult #158 - wrapper functions and tests for spklef, spkopa, spkpds, spksub, spkuds, spkuef #155 - tests for srxpt and sincpt #154 - a bunch of other tests for CK related functions - example added to docs - autom

SpiceyPy 0.7.0 Pre-release of SpiceyPy