# ASPECT Newsletter #227 **URL:** \ **Category:** ASPECT\ **Created:** [November 24, 2025, 11:00am UTC](https://community.geodynamics.org/t/aspect-newsletter-227/4368 "2025-11-24T11:00:22Z")\ **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:** [November 24, 2025, 11:00am UTC](https://community.geodynamics.org/t/aspect-newsletter-227/4368/1 "2025-11-24T11:00:22Z")
Hello everyone! This is ASPECT newsletter #227. 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: [#6794](https://github.com/geodynamics/aspect/pull/6794): Avoid deprecated deal.II Subscriptor class (implemented by [tjhei](https://github.com/tjhei); reviewed by [bangerth](https://github.com/bangerth)) [#6793](https://github.com/geodynamics/aspect/pull/6793): GMG: improve detail output (implemented by [tjhei](https://github.com/tjhei)) [#6792](https://github.com/geodynamics/aspect/pull/6792): Add Myself to Author List (implemented by [danieldouglas92](https://github.com/danieldouglas92); reviewed by [bangerth](https://github.com/bangerth)) [#6791](https://github.com/geodynamics/aspect/pull/6791): Update author list to add myself. (implemented by [alarshi](https://github.com/alarshi); reviewed by [tjhei](https://github.com/tjhei)) [#6790](https://github.com/geodynamics/aspect/pull/6790): Serialize the ODEStatistics postprocessor. (implemented by [bangerth](https://github.com/bangerth)) [#6789](https://github.com/geodynamics/aspect/pull/6789): Let a function return what it computes by value, rather than through a reference argument. (implemented by [bangerth](https://github.com/bangerth)) [#6788](https://github.com/geodynamics/aspect/pull/6788): Clean-ups. (implemented by [bangerth](https://github.com/bangerth)) [#6786](https://github.com/geodynamics/aspect/pull/6786): Serialize the Topography postprocessor. (implemented by [bangerth](https://github.com/bangerth)) [#6785](https://github.com/geodynamics/aspect/pull/6785): Support empty cells in particlePDF (implemented by [gassmoeller](https://github.com/gassmoeller)) [#6784](https://github.com/geodynamics/aspect/pull/6784): Add a couple of new awesome papers to the citation list (implemented by [ljhwang](https://github.com/ljhwang); reviewed by [bangerth](https://github.com/bangerth)) [#6783](https://github.com/geodynamics/aspect/pull/6783): Remove an assert related to GMG global coarsening. (implemented by [quangx](https://github.com/quangx)) [#6782](https://github.com/geodynamics/aspect/pull/6782): Refactored repeated code into lambda functions for readability. (implemented by [arnoldkk13](https://github.com/arnoldkk13)) [#6780](https://github.com/geodynamics/aspect/pull/6780): Update bending beam benchmark prm to make sure it converges (implemented by [anne-glerum](https://github.com/anne-glerum); reviewed by [gassmoeller](https://github.com/gassmoeller)) [#6779](https://github.com/geodynamics/aspect/pull/6779): add instantiation of plugin list (implemented by [tjhei](https://github.com/tjhei); reviewed by [bangerth](https://github.com/bangerth)) [#6777](https://github.com/geodynamics/aspect/pull/6777): Talk about serializing initial conditions. (implemented by [bangerth](https://github.com/bangerth); reviewed by [gassmoeller](https://github.com/gassmoeller)) [#6776](https://github.com/geodynamics/aspect/pull/6776): Move an assertion. (implemented by [bangerth](https://github.com/bangerth); reviewed by [tjhei](https://github.com/tjhei)) [#6775](https://github.com/geodynamics/aspect/pull/6775): Minor cleanups in the visualization postprocessors. (implemented by [bangerth](https://github.com/bangerth); reviewed by [gassmoeller](https://github.com/gassmoeller)) [#6774](https://github.com/geodynamics/aspect/pull/6774): Serialize the visualization postprocessors. (implemented by [bangerth](https://github.com/bangerth); reviewed by [gassmoeller](https://github.com/gassmoeller)) [#6773](https://github.com/geodynamics/aspect/pull/6773): Better document a workflow. (implemented by [bangerth](https://github.com/bangerth); reviewed by [gassmoeller](https://github.com/gassmoeller)) [#6772](https://github.com/geodynamics/aspect/pull/6772): Refactored line search functionality for do\_one\_defect\_correction\_Stokes\_step in solver\_schemes.cc (implemented by [arnoldkk13](https://github.com/arnoldkk13)) [#6771](https://github.com/geodynamics/aspect/pull/6771): Refactor Newton Line Search for do\_one\_defect\_correction\_stokes\_step (implemented by [arnoldkk13](https://github.com/arnoldkk13)) [#6770](https://github.com/geodynamics/aspect/pull/6770): Reword Authors.md and Contributing.md. (implemented by [gassmoeller](https://github.com/gassmoeller); reviewed by [bangerth](https://github.com/bangerth)) [#6769](https://github.com/geodynamics/aspect/pull/6769): AsciiDataLayered: remove redundant data\_dir (implemented by [tjhei](https://github.com/tjhei); reviewed by [gassmoeller](https://github.com/gassmoeller)) [#6768](https://github.com/geodynamics/aspect/pull/6768): Fix compiler warnings (implemented by [tiannh7](https://github.com/tiannh7); reviewed by [tjhei](https://github.com/tjhei)) [#6767](https://github.com/geodynamics/aspect/pull/6767): Remove unused include (implemented by [tiannh7](https://github.com/tiannh7); reviewed by [tjhei](https://github.com/tjhei)) [#6753](https://github.com/geodynamics/aspect/pull/6753): Also serialize all plugin manager objects. (implemented by [bangerth](https://github.com/bangerth); reviewed by [gassmoeller](https://github.com/gassmoeller)) [#6752](https://github.com/geodynamics/aspect/pull/6752): Allow tangential boundary conditions for GMG global coarsening. (implemented by [quangx](https://github.com/quangx); reviewed by [tjhei](https://github.com/tjhei)) [#6728](https://github.com/geodynamics/aspect/pull/6728): Unify anisotropic viscosity Stokes assemblers / Fix anisotropic viscosity cookbook (implemented by [gassmoeller](https://github.com/gassmoeller); reviewed by [bangerth](https://github.com/bangerth)) And this is a list of recently opened or closed discussions: [#6787](https://github.com/geodynamics/aspect/issues/6787) core\_statistics.cc does not serialize all members of CoreData. (opened) [#6781](https://github.com/geodynamics/aspect/issues/6781) Particle PDF algorithm does not work when there are vacant cells (opened) [#6778](https://github.com/geodynamics/aspect/issues/6778) 3-D global model doesn’t converge with GMG and AMG on aspect3.0 (opened) [#6748](https://github.com/geodynamics/aspect/issues/6748) Simplify some code that has to do with timing sections. (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/).