**Changes:**
- Introduce `MeritFunctionView(..., rescale_x=...)`, `MeritFunctionView.get_jacobian()`
- Introduce `Optimize.from_callable()`
- Introduce `Optimize.run_ls_trf(...)`, `Optimize.run_ls_dogbox(...)`, `Optimize.run_l_bfgs_b(...)`, `Optimize.run_bfgs(...)`, `Optimize.run_simplex(...)`
- Introduce `Optimize.step(..., take_best=True)`
- `Optimize.targets` and `Optimize.vary` can be accessed with tags
**Full Changelog**: https://github.com/xsuite/xdeps/compare/v0.7.4...v0.8.0