Differences Between DuMu<sup>x</sup> 3.5 and DuMu<sup>x</sup> 3.4
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- __Requirements__: DuMux requires Dune >=2.8 and CMake >= 3.13. It was successfully tested with OPM 2021.10, see also [patches](https://git.iws.uni-stuttgart.de/dumux-repositories/dumux/-/tree/master/patches).
- __Requirements__: DuMux requires Dune >=2.8 and CMake >= 3.13. It was successfully tested with OPM 2021.10 (which in turn requires Dune <= 2.8), see also [patches](https://git.iws.uni-stuttgart.de/dumux-repositories/dumux/-/tree/master/patches).
- __Sequential__: The old "sequential", "IMPES-style" models have not received updates in several years,
are separate from the rest of the code base and increasingly became a maintenance burden. Deprecation warnings