All download files are mirrored at https://dealii.org/downloads/
This is a minor update to 9.5.1 with the following changes:
- [9.5] Allow compilation with PETSc but without MPI #15788
- [9.5] Fix compiling with PETSc with complex scalar type #15856
- [9.5] base/mpi.h: also instantiate for signed long long int #16540
- [9.5] CMake: fix compilation with bundled boost and modern clang #16541
- [9.5] DofTools: add missing codimension-one instantiation #16539
- [9.5] update changelog for point release #16576