# ASPECT Newsletter #87

**URL:** <https://community.geodynamics.org/t/aspect-newsletter-87/791>\
**Category:** ASPECT\
**Created:** [September 6, 2019, 7:00pm UTC](https://community.geodynamics.org/t/aspect-newsletter-87/791 "2019-09-06T19:00:12Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![rgassmoeller](https://yyz2.discourse-cdn.com/flex036/user_avatar/community.geodynamics.org/rgassmoeller/32/49_2.png) [@rgassmoeller](https://community.geodynamics.org/u/rgassmoeller)\
**Post date:** [September 6, 2019, 7:00pm UTC](https://community.geodynamics.org/t/aspect-newsletter-87/791/1 "2019-09-06T19:00:12Z")

</div>

Hello everyone!

```
       This is ASPECT newsletter #87.

```

It automatically reports recently merged features and discussions about the ASPECT mantle convection code.

Below you find a list of recently proposed or merged features:

[#3216](https://github.com/geodynamics/aspect/pull/3216): add some information on the 2.1 release that was missing on the website (proposed by [jdannberg](https://github.com/jdannberg); merged)  
[#3215](https://github.com/geodynamics/aspect/pull/3215): manual: fix a few broken refs (proposed by [tjhei](https://github.com/tjhei); merged)  
[#3214](https://github.com/geodynamics/aspect/pull/3214): update parameters (proposed by [tjhei](https://github.com/tjhei); merged)  
[#3213](https://github.com/geodynamics/aspect/pull/3213): add cmake PROJECT directive (proposed by [tjhei](https://github.com/tjhei); merged)  
[#3212](https://github.com/geodynamics/aspect/pull/3212): Add pictures of an actual sandbox. (proposed by [bangerth](https://github.com/bangerth); merged)  
[#3211](https://github.com/geodynamics/aspect/pull/3211): Use the correct data type for cell/particle numbers. (proposed by [bangerth](https://github.com/bangerth); merged)  
[#3210](https://github.com/geodynamics/aspect/pull/3210): Avoid MPI error messages when calling ‘aspect’ without arguments. (proposed by [bangerth](https://github.com/bangerth); merged)  
[#3209](https://github.com/geodynamics/aspect/pull/3209): Fix the description of a function in main.cc. (proposed by [bangerth](https://github.com/bangerth); merged)

And this is a list of recently opened or closed discussions:

[#3208](https://github.com/geodynamics/aspect/issues/3208) 3D particle interpolation test (closed)

A list of all major changes since the last release can be found at [this website](https://aspect.geodynamics.org/doc/doxygen/changes_current.html) .

Thanks for being part of the community!

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Let us know about questions, problems, bugs or just share your experience by visting our [forum](https://community.geodynamics.org/c/aspect), or by opening issues or pull requests on [Github](https://www.github.com/geodynamics/aspect).
Additional information can be found at our [official website](https://aspect.geodynamics.org/), and CIG's [ASPECT website](https://geodynamics.org/cig/software/aspect/).
```