[Matthias Maier]

Version 9.4.0 of deal.II, the object-oriented finite element library awarded the
J. H. Wilkinson Prize for Numerical Software, has been released. It is
available for free under an Open Source license from the deal.II homepage at

https://www.dealii.org/

The major changes of this release are:

- Advances in simplex- and mixed-mesh support
- Repartitioning of distributed meshes
- Advances in matrix-free infrastructure
- Advances in multigrid infrastructure
- CutFEM support
- Experimental integration of the Computational Geometry Algorithms Library (CGAL)
- Performance improvements in the particle infrastructure
- Improvements to unstructured communication
- Three new tutorial programs (steps 81, 82, and 85) and one new code gallery program

For more information see:
- The preprint at https://www.dealii.org/deal94-preprint.pdf
- The list of changes at
https://www.dealii.org/developer/doxygen/deal.II/changes_between_9_3_3_and_9_4_0.html

The main features of deal.II are:
- Extensive documentation and 83 fully-functional example programs
- Support for dimension-independent programming
- Locally refined adaptive meshes
- Multigrid support
- A zoo of different finite elements
- Fast linear algebra
- Built-in support for shared memory and distributed parallel computing,
scaling from laptops to clusters with 100,000+ processor cores
- Interfaces to Trilinos, PETSc, METIS, UMFPACK and other external software
- Output for a wide variety of visualization platforms.

Matthias,
on behalf of the deal.II developer team and many contributors.

[Matthias Maier]

Dear all,

I would like to follow up on the announcement of this release by publicly
saying again how much we appreciate the many contributions from those who
have sent it code, bug reports, fixed grammar and typos, or have helped in
any other way. Many thanks!

The ChangeLog lists at least the following people to whom thanks are due
(though I am certain that I am forgetting someone):

Pasquale Africa,
Tyler Anderson,
Francesco Andreuzzi,
Mathias Anselmann,
Maximilian Bergbauer,
Manaswinee Bezbaruah,
Bruno Blais,
Till Budde,
Fabian Castelli,
Praveen Chandrashekar,
Huimin Chen,
Cu Cui,
Ivo Dravins,
Marco Feder,
Niklas Fehn,
Corbin Foucart,
Johannes Friedlein,
Sebastian Fuchs,
Daniel Garcia-Sanchez,
Nicola Giuliani,
Alexander Grayver,
Diane Guignard,
Jake Harmon,
Sean Ingimarson,
Pengfei Jia,
Sebastian Kinnewig,
Uwe Köcher,
Katharina Kormann,
Paras Kumar,
Wenyu Lei,
Alberto F. Martin,
Nils Much,
Lucas Myers,
Justin O'Connor,
Judith Pauen,
Vachan Potluri,
Raghunandan Pratoori,
Sebastian Proell,
Ce Qin,
Reza Rastak,
Jose E. Roman,
Raphael Schoof,
Magdalena Schreter,
Konrad Simon,
Simon Sticko,
Daniel Sun,
Kuljit S. Virk,
Michał Wichrowski,
Niklas Wik,
Jiaqi Zhang.


Matthias,
on behalf of the deal.II developer team.