Hello everyone!

This is deal.II newsletter #21.
It automatically reports recently merged features and discussions about the 
deal.II finite element library.

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

#5899: doc: use LaTeX in LAPACKFullMatrix (proposed by davydden) 

#5898: LAPACKFullMatrix - add another Tmmult() (proposed by davydden) 

#5896: Use std::uint8_t instead of 'unsigned char' for refinement flags. 
(proposed by bangerth) https://github.com/dealii/dealii/pull/5896

#5895: Explicitly list signed/unsigned char. (proposed by bangerth) 

#5894: Use std::uint8_t for refinement cases. (proposed by bangerth) 

#5893: return immediately if a==0 in p::d::Vector::add(a,V) (proposed by 
davydden; merged) https://github.com/dealii/dealii/pull/5893

#5892: Mark bundled include dirs as "SYSTEM" for python-bindings (proposed by 
masterleinad; merged) https://github.com/dealii/dealii/pull/5892

#5891: Update documentation on 'deallog' in step-3. (proposed by bangerth; 
merged) https://github.com/dealii/dealii/pull/5891

#5890: Move cuda related macros in their own file (proposed by Rombur; merged) 

#5888: Fix bug in ScaLAPACKMatrix::save (proposed by BenBrands; merged) 

#5886: Avoid warning about "braces around scalar initializer" (proposed by 
masterleinad; merged) https://github.com/dealii/dealii/pull/5886

#5885: Use more std::unique_ptr and std::make_shared/unique (proposed by 
masterleinad) https://github.com/dealii/dealii/pull/5885

#5884: add BlockVector::multivector_inner_product_with_metric() (proposed by 
davydden; merged) https://github.com/dealii/dealii/pull/5884

#5883: Make Mapping::clone return a unique_ptr<Mapping>. (proposed by drwells; 
merged) https://github.com/dealii/dealii/pull/5883

#5882: Let FETools::get_fe_by_name return a std::unique_ptr (proposed by 
masterleinad) https://github.com/dealii/dealii/pull/5882

#5881: Update documentation of the p::d::SolutionTransfer constructor. 
(proposed by bangerth; merged) https://github.com/dealii/dealii/pull/5881

#5879: Provide a more stable variant of Hermite polynomials for higher 
polynomial degrees (proposed by kronbichler) 

#5878: Add another compile-time check to Adol-C CMake module. (proposed by 
jppelteret; merged) https://github.com/dealii/dealii/pull/5878

#5877: Fix @author string grammar. (proposed by bangerth; merged) 

#5876: Fix multiple definitions for internal::SolverBicgstabData (proposed by 
jppelteret; merged) https://github.com/dealii/dealii/pull/5876

#5874: extend VectorTools::project() to take fe_component (proposed by 
davydden; merged) https://github.com/dealii/dealii/pull/5874

#5868: Fix deficiency in computation of norms for ScaLAPACKMatrix (proposed by 
BenBrands; merged) https://github.com/dealii/dealii/pull/5868

#5867: enable chunking for save/load of ScaLAPACKMatrix (proposed by BenBrands; 
merged) https://github.com/dealii/dealii/pull/5867

#5865: avoid icc 15 error on non-const reference (proposed by QiaoLei-88; 
merged) https://github.com/dealii/dealii/pull/5865

#5861: Restrict instantiations in GridRefinement to Vector (proposed by 
masterleinad; merged) https://github.com/dealii/dealii/pull/5861

#5860: Step 49 modernization (proposed by drwells; merged) 

#5848: Add/Remove some template parameters. (proposed by jppelteret; merged) 

#3897: CMake: Use -isystem for third party headers (proposed by tamiko; merged) 

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

#5897: document math operations consistently (latex instead of HTML) (opened) 

#5889: Don't use (un)signed char for integer data types (opened) 

#5887: Limit code gallery image sizes (opened) 

#5880: Replace interface returning owning raw pointers (opened) 

#5858: GridRefinement only instantiated for Vector<Number> (closed) 

#5829: Build failed with intel compiler (closed) 

#5795: continuous integration with warnings as errors (closed) 

#5466: DEAL_II_DISABLE_EXTRA_DIAGNOSTICS seems to be ignored when compiling 
user code with GCC 7.2.0 (warnings in Boost 1.65.1) (closed) 

#3827: gcc 4.8 ignores Wunused-variable pragma (closed) 

A list of all major changes since the last release can be found at 

Thanks for being part of the community!

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writing to dealii@googlegroups.com, or by opening issues or pull requests at 
Additional information can be found at https://www.dealii.org/.

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