[Diff since v4.44.0](v4.44.0...v4.45.0)

**Merged pull requests:**
- Fix method ambiguities arising due to SciMLOperators integration (#542) (@vpuri3)

[Diff since v4.43.1](v4.43.1...v4.44.0)

**Closed issues:**
- Cannot create BandedMatrix from GhostDerivativeOperator (#394)
- SplitODEProblem broken for MatrixFreeOperator  (#520)

**Merged pull requests:**
- Warn of impending deprecation, with alternatives (#521) (@xtalax)
- Make sure to use SciML Style (#523) (@ChrisRackauckas)
- doc cov (#526) (@ArnoStrouwen)
- [skip ci] badges (#527) (@ArnoStrouwen)
- MassInstallAction: Install the Invalidations workflow on this repository (#529) (@devmotion)
- Provide performance note in Docs (#530) (@dev10110)
- canonize docs (#531) (@ArnoStrouwen)
- [skip ci] typo (#532) (@ArnoStrouwen)
- reproducible docs (#533) (@ArnoStrouwen)
- [skip ci] doc compat (#534) (@ArnoStrouwen)
- Remove nonlinearsolve dependency (#536) (@ChrisRackauckas)

[Diff since v4.43.0](v4.43.0...v4.43.1)

**Closed issues:**
- Implementing Drift-Diffusion model in higher dimensions (#518)

[Diff since v4.42.0](v4.42.0...v4.43.0)

**Merged pull requests:**
- Nonuniform complete derivative operator constructors (#517) (@xtalax)

[Diff since v4.41.0](v4.41.0...v4.42.0)

**Merged pull requests:**
- CompatHelper: bump compat for BandedMatrices to 0.17, (keep existing compat) (#515) (@github-actions[bot])

[Diff since v4.40.0](v4.40.0...v4.41.0)

**Merged pull requests:**
- Added complete upwind differences (#513) (@xtalax)

[Diff since v4.39.0](v4.39.0...v4.40.0)

**Merged pull requests:**
- Complete Differences (#511) (@xtalax)

[Diff since v4.38.0](v4.38.0...v4.39.0)

**Merged pull requests:**
- CompatHelper: bump compat for NNlib to 0.8, (keep existing compat) (#509) (@github-actions[bot])

[Diff since v4.37.0](v4.37.0...v4.38.0)

**Closed issues:**
- Generating sparse matrices slow for combined operators (#392)

**Merged pull requests:**
- Specialize `sparse` for various operators (#505) (@eschnett)
- Allow higher versions of StaticArrays (#508) (@xtalax)

[Diff since v4.36.0](v4.36.0...v4.37.0)

**Merged pull requests:**
- Deprecate MOL  (#503) (@xtalax)
- Make dual types concrete and strip out the rest of MOL (#507) (@ChrisRackauckas)