CHANGES
New features
* Add multi-objective support for ParameterImportance, Edf and ParallelCoordinate plot (102)
* Add visualization preference panel (119)
* Add x log scale for slice plot (120, thanks keisuke-umezawa)
Bug fixes
* Improve label overlaps (131, thanks kenrota)
Enhancements
* Update npm dependencies (103)
* Set margin top on each plots (105)
* Add unit test for TrialTable (110)
* Use YAML based issue template (114)
* Add incremental sync for the study summary API (115)
* Rename goptuna to optuna (118, thanks keisuke-umezawa)
* Run frontend tests on GitHub Actions (123)
* Rename tests to python_tests (124)
* Update "Release the new version" section on DEVELOPMENT.md (127)
* Rename log scale to log y scale (130, thanks keisuke-umezawa)
* Fix typo in graph title of Parallel coordinate (132, thanks kenrota)
* Fix typo in WSGI environment variable (133, thanks kenrota)
* Add tests for filter trial state (134)
* Add tests for DataGrid (135)