[Diff since v2.1.2](v2.1.2...v2.1.3)

**Merged pull requests:**
- warnonly = true in docs (#163) (@mohamed82008)

**Closed issues:**
- Trouble calling Julia Function from Python Code (#153)
- Make Nonconvex models type stable (#155)
- Unified API for information of the results (#159)
- NLopt zero-order algorithms are using Zygote (#160)
- Throw a better error when passing an illegal algorithm name for NLopt (#161)
- Compatible with JuliaGPU (#162)

[Diff since v2.1.1](v2.1.1...v2.1.2)

**Closed issues:**
- Constraint handling for evolutionary optimization (#30)
- Pullback error when summing over a dictionary (#130)
- Problem with sparse matrix when using CustomGradFunction (#152)
- Example of Changing AD Package (#156)
- problem with Metaheuristics (#157)
- Unclear how to use Abstract Differentiation (#158)

[Diff since v2.1.0](v2.1.0...v2.1.1)

**Closed issues:**
- Wrap NOMAD.jl (#84)
- Useage with ComponentArrays (#99)
- Wrap Metaheuristics.jl (#124)
- Problem with Hyperoptim.jl (#146)
- Mixed-mode AD? (#148)
- Parallel capabilities of Hyperopt? (#149)
- Extract number of iterations from results (#150)

**Merged pull requests:**
- Update CI.yml (#147) (@mohamed82008)
- fix typo in README.md (#151) (@CarloLucibello)

[Diff since v2.0.4](v2.0.4...v2.1.0)

**Closed issues:**
- Workaround for Mutating Arrays (#137)

**Merged pull requests:**
- More docs and tests (#145) (@mohamed82008)

[Diff since v2.0.3](v2.0.3...v2.0.4)

**Closed issues:**
- Support GalacticOptim for unconstrained and bound constrained optimization (#28)
- Percival fails with ERROR: outside of the trust region: ‖x‖²=    NaN (#55)
- Support functions with a sparse Jacobian (#115)
- Symbolic AD Sensitivity to Init Values  (#143)

**Merged pull requests:**
- improve docs side bar (#144) (@mohamed82008)

[Diff since v2.0.2](v2.0.2...v2.0.3)

[Diff since v2.0.1](v2.0.1...v2.0.2)

[Diff since v2.0.0](v2.0.0...v2.0.1)

**Merged pull requests:**
- add more sub-headers to sidebar (#142) (@mohamed82008)

[Diff since v1.0.4](v1.0.4...v2.0.0)

**Closed issues:**
- Nonconvex (ab)uses eval (#134)
- Jacobian_Approximation for IPOPT (#135)
- How to extract results from NLopt (#136)

**Merged pull requests:**
- Docs improvement, sparsity and symbolic AD (#141) (@mohamed82008)

[Diff since v1.0.3](v1.0.3...v1.0.4)

**Merged pull requests:**
- Reexport NonconvexUtils (#132) (@mohamed82008)