# ASPECT Newsletter #94 **URL:** \ **Category:** ASPECT\ **Created:** [January 7, 2020, 5:00pm UTC](https://community.geodynamics.org/t/aspect-newsletter-94/1002 "2020-01-07T17:00:19Z")\ **Posts on this page:** 1\ **Page:** 1
**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:** [January 7, 2020, 5:00pm UTC](https://community.geodynamics.org/t/aspect-newsletter-94/1002/1 "2020-01-07T17:00:19Z")
Hello everyone! ``` This is ASPECT newsletter #94. ``` 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: [#3327](https://github.com/geodynamics/aspect/pull/3327): www: update database.js tag to force loading new file (proposed by [tjhei](https://github.com/tjhei)) [#3326](https://github.com/geodynamics/aspect/pull/3326): Report interpolate Stokes solution timing (proposed by [gassmoeller](https://github.com/gassmoeller); merged) [#3325](https://github.com/geodynamics/aspect/pull/3325): account timing for matrix-free build Stokes preconditioner (proposed by [tjhei](https://github.com/tjhei); merged) [#3324](https://github.com/geodynamics/aspect/pull/3324): www: fix matrix-free citing.html (proposed by [tjhei](https://github.com/tjhei); merged) [#3323](https://github.com/geodynamics/aspect/pull/3323): report prescribed advection field timer (proposed by [tjhei](https://github.com/tjhei); merged) [#3321](https://github.com/geodynamics/aspect/pull/3321): update parameters (proposed by [tjhei](https://github.com/tjhei); merged) [#3320](https://github.com/geodynamics/aspect/pull/3320): fix deprecation warning with deal.II master (proposed by [tjhei](https://github.com/tjhei); merged) [#3318](https://github.com/geodynamics/aspect/pull/3318): fix a typo (proposed by [tjhei](https://github.com/tjhei); merged) [#3317](https://github.com/geodynamics/aspect/pull/3317): Add benchmark (proposed by [anne-glerum](https://github.com/anne-glerum)) [#3316](https://github.com/geodynamics/aspect/pull/3316): Replace most dynamic\_casts (proposed by [gassmoeller](https://github.com/gassmoeller); merged) [#3315](https://github.com/geodynamics/aspect/pull/3315): Add ref, remove unused parameter (proposed by [anne-glerum](https://github.com/anne-glerum); merged) [#3314](https://github.com/geodynamics/aspect/pull/3314): fix warning for SimulatorSignals (proposed by [tjhei](https://github.com/tjhei); merged) [#3313](https://github.com/geodynamics/aspect/pull/3313): Phase transition test (proposed by [lhy11009](https://github.com/lhy11009)) [#3312](https://github.com/geodynamics/aspect/pull/3312): Add adiabatic surface temperature to S20RTS cookbook (proposed by [gassmoeller](https://github.com/gassmoeller); merged) [#3311](https://github.com/geodynamics/aspect/pull/3311): Fix world builder external dir (proposed by [MFraters](https://github.com/MFraters); merged) [#3310](https://github.com/geodynamics/aspect/pull/3310): Add newton and gwb citations (proposed by [MFraters](https://github.com/MFraters); merged) [#3309](https://github.com/geodynamics/aspect/pull/3309): Fix a deprecation warning with deal.II dev (proposed by [gassmoeller](https://github.com/gassmoeller); merged) [#3308](https://github.com/geodynamics/aspect/pull/3308): Replace some more dynamic\_casts (proposed by [gassmoeller](https://github.com/gassmoeller); merged) [#3307](https://github.com/geodynamics/aspect/pull/3307): Fix particle exclude properties (proposed by [MFraters](https://github.com/MFraters); merged) [#3306](https://github.com/geodynamics/aspect/pull/3306): [WIP] Add viscoelasticity to the visco plastic material model (proposed by [naliboff](https://github.com/naliboff)) [#3304](https://github.com/geodynamics/aspect/pull/3304): Replace dynamic\_casts by proper function calls (proposed by [gassmoeller](https://github.com/gassmoeller); merged) [#3298](https://github.com/geodynamics/aspect/pull/3298): Unify the output of Stokes and Advection solver exceptions (proposed by [gassmoeller](https://github.com/gassmoeller); merged) [#3292](https://github.com/geodynamics/aspect/pull/3292): Reorder viscoelastic-plastic viscosity calculation (proposed by [naliboff](https://github.com/naliboff); merged) [#3039](https://github.com/geodynamics/aspect/pull/3039): Add initial topography to chunk (proposed by [anne-glerum](https://github.com/anne-glerum); merged) [#3038](https://github.com/geodynamics/aspect/pull/3038): Replace world builder submodule (proposed by [MFraters](https://github.com/MFraters); merged) And this is a list of recently opened or closed discussions: [#3322](https://github.com/geodynamics/aspect/issues/3322) unaccounted timing information (opened and closed) [#3319](https://github.com/geodynamics/aspect/issues/3319) fix SphericalGaussianPerturbation (opened) [#3290](https://github.com/geodynamics/aspect/issues/3290) parsing parameters for phase entry, should we allow empty entry in Utilities::parse\_map\_to\_double\_array (closed) [#3288](https://github.com/geodynamics/aspect/issues/3288) How large the used memory increases when using larger “GMRES solver restart length” (closed) [#3193](https://github.com/geodynamics/aspect/issues/3193) Update of a publication on the website (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! ``` 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/). ```