v2026.2.0

What's Changed

• Adding automated test suite mechanism to branch #5 by @EiffL in #14
• Adding minimal GSObject, Sum, Gaussian, Exponentional by @EiffL in #7
• Adding CONTRIBUTING document and related infrastructure by @EiffL in #8
• Adds jittable Position object by @EiffL in #11
• Add black test to CI by @ismael-mendoza in #34
• Adds jittable wcs and Transformation by @EiffL in #12
• Adds jittable Bounds by @EiffL in #15
• Adds jittable Image by @EiffL in #16
• WIP: Implementing drawing functions, and testing jit patterns by @EiffL in #21
• Implementing shear by @ismael-mendoza in #41
• Pixel by @ismael-mendoza in #43
• Restoring canonical GalSim Image API by @EiffL in #47
• Implementation of k-space convolution by @EiffL in #44
• STY clean out a few flake8 warnings by @beckermr in #55
• PROD clean out pre-commit config and add ruff settings by @beckermr in #57
• BUG make sure pytest can run -vvs by @beckermr in #58
• ENH make sure eval(repr(o)) == o and pickling works by @beckermr in #59
• ENH add fits readers by @beckermr in #61
• BUG fix accuracy loss in sheared image test by @beckermr in #62
• BUG make sure to add to image in-place by @beckermr in #63
• Moffat by @jecampagne in #49
• isort by @ismael-mendoza in #67
• ENH API tests and fixes by @beckermr in #68
• ENH add Angle and CelestialCoord by @beckermr in #69
• ENH add deconv by @beckermr in #70
• ENH add random deviates by @beckermr in #72
• TST fix CI tests after rebase on main by @beckermr in #73
• ENH add Interpolant classes by @beckermr in #56
• ENH add InterpolatedImage by @beckermr in #60
• ENH enable noise fields and fix drawing bugz by @beckermr in #79
• ENH add GSFitsWCS by @beckermr in #80
• ENH add photon shooting by @beckermr in #82
• Spergel by @jecampagne in #86
• ENH update to latest JAX version and slight refactor in test suite by @ismael-mendoza in #94
• REF use our own implements decorator by @beckermr in #95
• PERF block reduce in wrapping by @beckermr in #97
• test: add benchmarks for interpolated images by @beckermr in #100
• feat: add more benchmarks and clean up code by @beckermr in #102
• fix: ensure jax caches are always cleared for compile benchmarks by @beckermr in #103
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #105
• perf: use vmap for iimage by @beckermr in #104
• refactor: do interpolation class init on the host by @beckermr in #106
• perf: faster xval for Lanczos interp by @beckermr in #107
• perf: faster kval for Lanczos interpolated images via cached splines by @beckermr in #101
• refactor: move to ruff + ruff-format by @beckermr in #109
• feat: update for coord 1.4 and point tests at main branch by @beckermr in #110
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #112
• chore: remove old pylint config by @beckermr in #115
• chore: move to pyproject.toml by @beckermr in #113
• doc: start a docs update by @beckermr in #114
• fix: consistent doc string wrapping by @beckermr in #116
• chore: code clean up by @beckermr in #117
• feat: add int1d by @beckermr in #118
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #119
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #120
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #121
• fix: make sure bounds for images are set consistently when using center with nx/ny by @beckermr in #122
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #126
• feat: add benchmarks for spergel profile by @beckermr in #125
• Bump the github-actions group with 2 updates by @dependabot[bot] in #127
• feat: add benchmarks for class init by @beckermr in #128
• perf: use pseudo-Pade approximation for the spergel HLR computation by @beckermr in #130
• feat: add benchmark for RNG discard operation by @beckermr in #132
• feat: add benchmark and test of flux frac for interp images by @beckermr in #133
• perf: optimize flux frac for interpolated images by removing fori_loop by @beckermr in #134
• perf: remove fori_loops for polynomial eval by @beckermr in #135
• test: add benchmark for fits by @beckermr in #137
• perf: remove fori loop for fits wcs by @beckermr in #136
• test: add benchmark for moffat init by @beckermr in #139
• perf: try a purely compiled moffat init by @beckermr in #140
• test: make test suite faster with pytest-split and add jit compile optimization for fits wcs by @beckermr in #138
• perf: try using fori_loop but unrolling everything by @beckermr in #141
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #142
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #143
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #144
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #145
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #146
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #147
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #148
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #150
• chore(deps): bump actions/checkout from 4 to 5 in the github-actions group by @dependabot[bot] in #151
• chore(deps): bump the github-actions group with 2 updates by @dependabot[bot] in #152
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #153
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #154
• chore(deps): bump actions/checkout from 5 to 6 in the github-actions group by @dependabot[bot] in #155
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #156
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #157
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #158
• Minimal JAX version bump by @EiffL in #164
• Add git-based dynamic versioning with setuptools-scm by @EiffL in #165
• Porting Bessel kv function implementation to reduce dependency on tfp by @EiffL in #159
• Maintenance of README, CHANGELOG, CONTRIBUTING, and scm system by @EiffL in #168
• fix: missed extra pin in CI tests by @beckermr in #169

New Contributors

• @EiffL made their first contribution in #14
• @ismael-mendoza made their first contribution in #34
• @beckermr made their first contribution in #55
• @pre-commit-ci[bot] made their first contribution in #105
• @dependabot[bot] made their first contribution in #127

Full Changelog: https://github.com/GalSim-developers/JAX-GalSim/commits/v2026.2.0