1# Changes: Development 2 3% STYLE GUIDELINES: 4% * Capitalize sentences 5% * Use imperative, e.g., Add, Improve, Change, etc. 6% * Don't use a period (.) at the end of entries 7% * If multiple sentences are needed, use a period or semicolon to divide sentences, but not at the end of the final sentence 8 9```{rubric} General: 10``` 11 12```{rubric} Configure/Build: 13``` 14 15```{rubric} Sys: 16``` 17 18```{rubric} Event Logging: 19``` 20 21```{rubric} PetscViewer: 22``` 23 24```{rubric} PetscDraw: 25``` 26 27```{rubric} AO: 28``` 29 30```{rubric} IS: 31``` 32 33```{rubric} VecScatter / PetscSF: 34``` 35 36```{rubric} PF: 37``` 38 39```{rubric} Vec: 40``` 41 42```{rubric} PetscSection: 43``` 44 45```{rubric} PetscPartitioner: 46``` 47 48```{rubric} Mat: 49``` 50 51- Add `MatConstantDiagonalGetConstant()` 52 53```{rubric} MatCoarsen: 54``` 55 56```{rubric} PC: 57``` 58 59- Add `PCMatApplyTranspose()` 60- Remove `PC_ApplyMultiple` 61 62```{rubric} KSP: 63``` 64 65- Add `MatLMVMGetLastUpdate()` 66- Add `MatLMVMMultAlgorithm`, `MatLMVMSetMultAlgorithm()`, and `MatLMVMGetMultAlgorithm()` 67- Add `MatLMVMSymBroydenGetPhi()` and `MatLMVMSymBroydenSetPhi()` 68- Add `MatLMVMSymBadBroydenGetPsi()` and `MatLMVMSymBadBroydenSetPsi()` 69 70```{rubric} SNES: 71``` 72 73```{rubric} SNESLineSearch: 74``` 75 76```{rubric} TS: 77``` 78 79```{rubric} TAO: 80``` 81 82```{rubric} PetscRegressor: 83``` 84 85- Add new component to support regression and classification machine learning tasks: [](ch_regressor) 86- Add `PetscRegressor` type `PETSCREGRESSORLINEAR` for solving linear regression problems with optional regularization 87 88```{rubric} DM/DA: 89``` 90 91```{rubric} DMSwarm: 92``` 93 94```{rubric} DMPlex: 95``` 96 97- Add `DMPlexGetTransform()`, `DMPlexSetTransform()`, `DMPlexGetSaveTransform()`, and `DMPlexSetSaveTransform()` 98- Add `DMPlexGetCoordinateMap()` and `DMPlexSetCoordinateMap()` 99 100```{rubric} FE/FV: 101``` 102 103```{rubric} DMNetwork: 104``` 105 106```{rubric} DMStag: 107``` 108 109```{rubric} DT: 110``` 111 112```{rubric} Fortran: 113``` 114