Arviz

New features

- Add InferenceData<->DataTree conversion functions ([2253](https://github.com/arviz-devs/arviz/pull/2253))
- Bayes Factor plot: Use arviz's kde instead of the one from scipy ([2237](https://github.com/arviz-devs/arviz/pull/2237))
- InferenceData objects can now be appended to existing netCDF4 files and to specific groups within them ([2227](https://github.com/arviz-devs/arviz/pull/2227))
- Added facade functions `az.to_zarr` and `az.from_zarr` ([2236](https://github.com/arviz-devs/arviz/pull/2236))

Maintenance and fixes

- Replace deprecated np.product with np.prod ([2249](https://github.com/arviz-devs/arviz/pull/2249))
- Fix numba deprecation warning ([2246](https://github.com/arviz-devs/arviz/pull/2246))
- Fixes for creating numpy object array ([2233](https://github.com/arviz-devs/arviz/pull/2233) and [2239](https://github.com/arviz-devs/arviz/pull/2239))
- Adapt histograms generated by plot_dist to input dtype ([2247](https://github.com/arviz-devs/arviz/pull/2247))

New features

Maintenance and fixes

- Fix memory usage and improve efficiency in `from_emcee` ([2215](https://github.com/arviz-devs/arviz/pull/2215))
- Lower pandas version needed ([2217](https://github.com/arviz-devs/arviz/pull/2217))

Deprecation

Documentation

- Update documentation for various plots ([2208](https://github.com/arviz-devs/arviz/pull/2208))

New features

- Adds Savage-Dickey density ratio plot for Bayes factor approximation. ([2037](https://github.com/arviz-devs/arviz/pull/2037), [2152](https://github.com/arviz-devs/arviz/pull/2152))
- Add `CmdStanPySamplingWrapper` and `PyMCSamplingWrapper` classes ([2158](https://github.com/arviz-devs/arviz/pull/2158))
- Changed dependency on netcdf4-python to h5netcdf ([2122](https://github.com/arviz-devs/arviz/pull/2122))

Maintenance and fixes

- Fix `reloo` outdated usage of `ELPDData` ([2158](https://github.com/arviz-devs/arviz/pull/2158))
- plot_bpv smooth discrete data only when computing u_values ([2179](https://github.com/arviz-devs/arviz/pull/2179))
- Fix bug when beanmachine objects lack some fields ([2154](https://github.com/arviz-devs/arviz/pull/2154))
- Fix gap for `plot_trace` with option `kind="rank_bars"` ([2180](https://github.com/arviz-devs/arviz/pull/2180))
- Fix `plot_lm` unsupported usage of `np.tile` ([2186](https://github.com/arviz-devs/arviz/pull/2186))
- Update `_z_scale` to work with SciPy 1.10 ([2186](https://github.com/arviz-devs/arviz/pull/2186))
- Fix bug in BaseLabeller when combining with with NoVarLabeller ([2200](https://github.com/arviz-devs/arviz/pull/2200))

Deprecation

Documentation

- Add PyMC and CmdStanPy sampling wrapper examples ([2158](https://github.com/arviz-devs/arviz/pull/2158))
- Fix docstring for plot_trace chain_prop and compact_prop parameters ([2176](https://github.com/arviz-devs/arviz/pull/2176))
- Add video of contributing to ArviZ webinar in contributing guide ([2184](https://github.com/arviz-devs/arviz/pull/2184))

New features

- Add `weight_predictions` function to allow generation of weighted predictions from two or more InfereceData with `posterior_predictive` groups and a set of weights ([2147](https://github.com/arviz-devs/arviz/pull/2147))
- Add Savage-Dickey density ratio plot for Bayes factor approximation. ([2037](https://github.com/arviz-devs/arviz/pull/2037), [2152](https://github.com/arviz-devs/arviz/pull/2152
- Adds rug plot for observed variables to `plot_ppc`. ([2161](https://github.com/arviz-devs/arviz/pull/2161))

Maintenance and fixes

- Fix dimension ordering for `plot_trace` with divergences ([2151](https://github.com/arviz-devs/arviz/pull/2151))

New features

- Add `side` argument to `plot_violin` to allow single-sided violin plots ([1996](https://github.com/arviz-devs/arviz/pull/1996))
- Added support for Bean Machine via the function `from_beanmachine`. ([2107](https://github.com/arviz-devs/arviz/pull/2107)
- Add support for warmup samples in `from_pystan` for PyStan 3. ([2132](https://github.com/arviz-devs/arviz/pull/2132)

Maintenance and fixes

- Add exception in `az.plot_hdi` for `x` of type `np.datetime64` and `smooth=True` ([2016](https://github.com/arviz-devs/arviz/pull/2016))
- Change `ax.plot` usage to `ax.scatter` in `plot_pair` ([1990](https://github.com/arviz-devs/arviz/pull/1990))
- Example data has been moved to the [arviz_example_data](https://github.com/arviz-devs/arviz_example_data) repository and is now included using git subtree.
([2096](https://github.com/arviz-devs/arviz/pull/2096) and [2105](https://github.com/arviz-devs/arviz/pull/2105))
- Bokeh kde contour plots started to use `contourpy` package ([2104](https://github.com/arviz-devs/arviz/pull/2104))
- Update default Bokeh markers for rcparams ([2104](https://github.com/arviz-devs/arviz/pull/2104))
- Correctly (re)order dimensions for `bfmi` and `plot_energy` ([2126](https://github.com/arviz-devs/arviz/pull/2126))
- Fix bug with the dimension order dependency ([2103](https://github.com/arviz-devs/arviz/pull/2103))
- Add testing module for labeller classes ([2095](https://github.com/arviz-devs/arviz/pull/2095))
- Skip compression for object dtype while creating a netcdf file ([2129](https://github.com/arviz-devs/arviz/pull/2129))
- Fix issue in dim generation when default dims are present in user inputed dims ([2138](https://github.com/arviz-devs/arviz/pull/2138))
- Save InferenceData level attrs to netcdf and zarr ([2131](https://github.com/arviz-devs/arviz/pull/2131))
- Update tests and docs for updated example data ([2137](https://github.com/arviz-devs/arviz/pull/2137))
- Copy coords before modifying in ppcplot ([2160](https://github.com/arviz-devs/arviz/pull/2160))

Deprecation

- Removed `fill_last`, `contour` and `plot_kwargs` arguments from `plot_pair` function ([2085](https://github.com/arviz-devs/arviz/pull/2085))

Documentation

- Add translation overview to contributing guide ([2041](https://github.com/arviz-devs/arviz/pull/2041))
- Improve how to release page ([2144](https://github.com/arviz-devs/arviz/pull/2144))

New features

- Add `stat_focus` argument to `arviz.summary` ([1998](https://github.com/arviz-devs/arviz/pull/1998))

Maintenance and fixes

- `psislw` now smooths log-weights even when shape is lower than `1/3`([2011](https://github.com/arviz-devs/arviz/pull/2011))
- Fixes `from_cmdstanpy`, handles parameter vectors of length 1 ([2023](https://github.com/arviz-devs/arviz/pull/2023))
- Fix typo in `BaseLabeller` that broke `NoVarLabeller` ([2018](https://github.com/arviz-devs/arviz/pull/2018))

Documentation

- Adding plotting guides ([2025](https://github.com/arviz-devs/arviz/pull/2025))
- Update links to use new domain ([2013](https://github.com/arviz-devs/arviz/pull/2013))