What's Changed
* More highlights by copybara-service in https://github.com/google/vizier/pull/543
* Small Doc Fix by copybara-service in https://github.com/google/vizier/pull/547
* Validate parameters in quasi-random and be less confusing about "NumpyArraySpec.DISCRETE" vs Vizier Discrete/Categorical. by copybara-service in https://github.com/google/vizier/pull/544
* Scalarizing Designer for MOO. by copybara-service in https://github.com/google/vizier/pull/540
* Refactor and split docs into (Designers: Writing Algorithms) and (Pythia Policies and Hosting Designers). by copybara-service in https://github.com/google/vizier/pull/551
* Add supported algorithms RTD by copybara-service in https://github.com/google/vizier/pull/555
* Simplify User API description. by copybara-service in https://github.com/google/vizier/pull/557
* Refactor Benchmarks to interact with only Policies which makes for automatic data sync. All Designer specific logic for in-ram efficiency is siloed in DesignerPolicy. by copybara-service in https://github.com/google/vizier/pull/554
* Need jax installation to run GP-Bandit in colab by copybara-service in https://github.com/google/vizier/pull/560
* Multi-task GP with non-linearities. by copybara-service in https://github.com/google/vizier/pull/517
* Additional shape check for the features and labels for DefaultTrialConverter. by copybara-service in https://github.com/google/vizier/pull/559
* Expose some experimenters in benchmark init by copybara-service in https://github.com/google/vizier/pull/567
* Move to a dedicated experimenters __init__. Also disable immutabledict import in SparseExperimenter. by copybara-service in https://github.com/google/vizier/pull/570
**Full Changelog**: https://github.com/google/vizier/compare/v0.1.3...v0.1.4