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`Full
Changelog <https://github.com/zalando/expan/compare/v0.5.3...v0.6.0>`__
**Closed issues:**
- Improve binning performance
`135 <https://github.com/zalando/expan/issues/135>`__
- Missing unit tests for to\_json() on early stopping algos
`128 <https://github.com/zalando/expan/issues/128>`__
**Merged pull requests:**
- Octo 1616 no experimentdata
`134 <https://github.com/zalando/expan/pull/134>`__
(`gbordyugov <https://github.com/gbordyugov>`__)
- Attempt to fix pickling bug
`133 <https://github.com/zalando/expan/pull/133>`__
(`shansfolder <https://github.com/shansfolder>`__)
- Stan models compilation, exceptions catch, unit tests adaptation.
`131 <https://github.com/zalando/expan/pull/131>`__
(`daryadedik <https://github.com/daryadedik>`__)
- Added try-finally block for the compulsory clean-up of .pkl compiled
models `130 <https://github.com/zalando/expan/pull/130>`__
(`daryadedik <https://github.com/daryadedik>`__)
- OCTO-1837 fixed to\_json()
`129 <https://github.com/zalando/expan/pull/129>`__
(`gbordyugov <https://github.com/gbordyugov>`__)