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Misc Developer News (#51)

The news are collected on https://wiki.debian.org/DeveloperNews
Please contribute short news about your work/plans/subproject.

In this issue:
 + Qt packages built with OpenGL ES support are now available
 + Debian Trends updated
 + What can you preseed when installing Debian?
 + Building Debian using Clang instead of gcc
 + ML-Policy Update & PyTorch Packaging

Qt packages built with OpenGL ES support are now available

 Thanks to Dmitry Shachnev's work Qt packages now offer two OpenGL flavours,
 Desktop and ES.  These changes are provided by Qt GUI and Qt Quick libraries.
 With the help of the Release Team the necessary packages in the archive have
 been rebuilt in order to pick up the changes. Desktop and ES packages are not
 co-installable as they provide the same set of shared libraries. So most
 packages now have an alternative dependency like

   libqt5gui5 (>= 5.x) | libqt5gui5-gles (>= 5.x).

 Packages get such a dependency automatically if they are using
 ${shlibs:Depends}. More details are available in Dmitry's blog post[1].

  -- Lisandro Damián Nicanor Pérez Meyer

 [1] https://mitya57.me/weblog/2020/01/qt-opengl-es-packages-available.html

Debian Trends updated

 Debian Trends[2] was updated, with data until February 2020 and three new
 graphs (on team maintenance and co-maintenance, on adoption of
 Rules-Requires-Root, and on Support for build-arch and build-indep).

  -- Lucas Nussbaum

 [2] https://trends.debian.net/

What can you preseed when installing Debian?

 Steve McIntyre created[3] a debian-preseed[4] service that extracts all of the
 debconf templates in the Debian archive and lists each of the possible preseed
 options available along with their descriptions. If you want to repeat the
 extractions, you can use Steve's new Perl script or the existing tools on the
 preseed wiki page[5].

  -- Paul Wise

 [3] https://blog.einval.com/2020/02/24#what_can_you_preseed
 [4] https://jack.einval.com/debian-preseed/
 [5] https://wiki.debian.org/DebianInstaller/Preseed

Building Debian using Clang instead of gcc

 The experience to rebuild the Debian archive with Clang instead of gcc
 continued. This time with 8.0.1, 9.0.1 & 10rc2. Results are available on
 https://clang.debian.net/. A blog post[6] detailing the results has been
 published. A maintainer[7] view is also available.

  -- Sylvestre Ledru

 [6] https://sylvestre.ledru.info/blog/2020/03/22/some-clang-rebuild-results
 [7] https://clang.debian.net/maintainers.php

ML-Policy Update & PyTorch Packaging

 Machine/Deep learning technologies recently manifested its power to help
 doctors diagnose COVID-19, and many packages related to the recent COVID-19
 leveraged such technologies. To make Debian a better platform for the related
 works, Debian Deep Learning Team managed to release a new version of
 ML-Policy[8], and to finish the PyTorch packaging[9] (currently going through
 the NEW queue). Namely, PyTorch will be the first modern deep learning
 framework to land onto our archive.

  -- Mo Zhou

 [8] https://salsa.debian.org/deeplearning-team/ml-policy/-/blob/master/ML-Policy.pdf
 [9] https://salsa.debian.org/deeplearning-team/pytorch


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