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ENH: Lazy/Chunked Table and TimeSeries I/O with Dask Backend for Out-of-Core Astronomical Catalogs

Feature Request

Status: Open.

#19345 In astropy/astropy;

· aditya-pandey-dev opened on Mar 1, 2026

BUG: SigmaClip objects cannot be pickled when Bottleneck is installed

Bug

stats

Status: Open.

#19343 In astropy/astropy;

· larrybradley opened on Feb 27, 2026

ECSV engine "io.ascii" ignores leading white space, but "pyarrow" and "pandas" interpret it

Bug

io.ascii

Status: Open.

#19342 In astropy/astropy;

· hamogu opened on Feb 27, 2026

TST/DEP: configure <code>devdeps-!noscipy</code> to depend on <code>test_all</code> again

dependenciesPull requests that update a dependency filePull requests that update a dependency file

Needs-clarification

testing

Status: Open.

Task

#19336 In astropy/astropy;

· neutrinoceros opened on Feb 26, 2026

TST: migrating <code>tox.ini</code> to <code>tox.toml</code>

Affects-devPRs and issues that do not impact an existing Astropy releasePRs and issues that do not impact an existing Astropy release

testing

Status: Open.

Task

#19334 In astropy/astropy;

· neutrinoceros opened on Feb 26, 2026

Support for unary model transforms (fixed linear operators) with analytic derivatives

Feature Request

modeling

Status: Open.

#19332 In astropy/astropy;

· pier-astro opened on Feb 25, 2026

Updating the units on pcolormesh plot using quantity_support doesn't seem to work

Bug

visualization

Status: Open.

#19316 In astropy/astropy;

· samaloney opened on Feb 23, 2026

API: Remove the compatibility code and use of chararray in io.fits

API changePRs and issues that change an existing API, possibly requiring a deprecation periodPRs and issues that change an existing API, possibly requiring a deprecation period

io.fits

Status: Open.

#19311 In astropy/astropy;

· pllim opened on Feb 20, 2026

·  

v9.0.0

signature_deprecations C extension violates exception protocol when FutureWarning is promoted to error

Bug

cosmology

Status: Open.

#19309 In astropy/astropy;

· yaochengchen opened on Feb 20, 2026

Feature Request: Native Orbit Propagation Framework for Conjunction and Ephemeris Prediction

coordinates

Feature Request

Status: Open.

#19306 In astropy/astropy;

· anuragchvn-blip opened on Feb 18, 2026

Opening a FITS file in WASM only works if explicitly disabling memory mapping

Bug

io.fits

Status: Open.

#19305 In astropy/astropy;

· astrofrog opened on Feb 17, 2026

Tabular models lie about <code>uses_quantity</code>

Bug

modeling

Status: Open.

#19293 In astropy/astropy;

· WilliamJamieson opened on Feb 12, 2026