[AstroPy] [astropy-dev] ANN: Astropy v4.3 and v4.0.6 released

[Tom Aldcroft]

Hi all,

With apologies for the extra mail, but I'd like to take this opportunity to
announce one additional feature that was inadvertently left off the What's
New in 4.3 page:

* Astropy Table columns can now be selectively shown or hidden from view.
Please see:
https://docs.astropy.org/en/v4.3.1/table/access_table.html#hiding-columns

Thanks,
Tom

On Tue, Aug 24, 2021 at 2:14 PM Erik Tollerud <erik.tollerud at gmail.com>
wrote:

> Dear colleagues,
>
> We are very happy to announce the v4.3 release of the Astropy package,
> a core Python package for Astronomy:
>
> http://www.astropy.org
>
> Astropy is a community-driven Python package intended to contain much
> of the core functionality and common tools needed for astronomy and
> astrophysics. It is part of the Astropy Project, which aims to foster
> an ecosystem of interoperable astronomy packages for Python.
>
> New and improved major functionality in this release includes:
>
> * Transformations to AltAz are now much more precise (and faster)
> * Improvements in making Astropy thread-safe
> * Performance improvements to sigma clipping
> * Changes in the Time and IERS leap second handling
> * Support for multidimensional and object columns in ECSV
> * Support for reading and writing tables to QDP format
> * Append table to existing FITS file
> * General masked class for Quantity and other ndarray subclasses
> * Configuration file improvements
> * Support for different solvers and bracket option in z_at_value
>
> In addition, hundreds of smaller improvements and fixes have been
> made. An overview of the changes is provided at:
>
>      http://docs.astropy.org/en/stable/whatsnew/4.3.html
>
> Instructions for installing Astropy are provided on our website, and
> extensive documentation can be found at:
>
>      http://docs.astropy.org
>
> If you usually use pip/vanilla Python, you can do:
>
> pip install astropy --upgrade
>
> Note that this will yield astropy v4.3.1 instead of 4.3, which is
> expected - a significant bug reported between the 4.3 release and this
> announcement means that the correct version is indeed 4.3.1.
>
> If you make use of the Anaconda Python Distribution, soon you will be
> able update to Astropy v4.3.1 with:
>
> conda update astropy
>
> Or if you cannot wait for Anaconda to update their default version,
> you can use the conda-forge channel:
>
> conda update -c conda-forge astropy
>
> Please report any issues, or request new features via our GitHub
> repository:
>
>      https://github.com/astropy/astropy/issues
>
> Over 400 people have contributed code to Astropy so far, and you can
> find out more about the team behind Astropy here:
>
>      https://www.astropy.org/team.html
>
> The LTS (Long Term Support) version of Astropy at the time of v4.3's
> release is v4.0 - this version will be maintained until the next LTS
> release (v5.0, scheduled for Fall 2021). v4.0.6 is the latest version,
> also just released.
>
> Additionally, note that the Astropy 4.x series only supports Python 3.
> Python 2 users can continue to use the 2.x series but it is no longer
> supported (as Python 2 itself is no longer supported). For assistance
> converting Python 2 code to Python 3, see the Python 3 for scientists
> conversion guide.
>
> If you use Astropy directly for your work, or as a dependency to
> another package, please remember to acknowledge it by citing the
> appropriate Astropy paper. For the most up-to-date suggestions, see
> the acknowledgement page, but as of this release the recommendation
> is:
>
> This research made use of Astropy, a community-developed core Python
> package for Astronomy (Astropy Collaboration, 2013, 2018).
>
> We hope that you enjoy using Astropy as much as we enjoyed developing it!
>
> Erik Tollerud
> v4.3 Release Coordinator
> on behalf of The Astropy Project
>
> https://www.astropy.org/announcements/release-4.3.html
>
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