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Changelog for version 0.4.0 #715

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Changelog for version 0.4.0
Balandat Feb 18, 2021
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Balandat Feb 23, 2021
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Balandat Feb 23, 2021
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42 changes: 42 additions & 0 deletions CHANGELOG.md
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The release log for BoTorch.


## [0.4.0] - Feb 23, 2021

#### Compatibility
* Require PyTorch >=1.7.1 (#714).
* Require GPyTorch >=1.4 (#714).

#### New Features
* `HigherOrderGP` - High-Order Gaussian Process (HOGP) model for
high-dimensional output regression (#631, #646, #648, #680).
* `qMultiStepLookahead` acquisition function for general look-ahead
optimization approaches (#611, #659).
* `ScalarizedPosteriorMean` and `project_to_sample_points` for more
advanced MFKG functionality (#645).
* Large-scale Thompson sampling tutorial (#654, #713).
* Tutorial for optimizing mixed continuous/discrete domains (application
to multi-fidelity KG with discrete fidelities) (#716).
* `GPDraw` utility for sampling from (exact) GP priors (#655).
* Add `X` as optional arg to call signature of `MCAcqusitionObjective` (#487).
* Add Add `OSY` synthetic test problem (#679).

#### Bug Fixes
* Fix matrix multiplication in `scalarize_posterior` (#638).
* Set `X_pending` in `get_acquisition_function` in `qEHVI` (#662).
* Make contextual kernel device-aware (#666).
* Do not use an `MCSampler` in `MaxPosteriorSampling` (#701).
* Add ability to subset outcome transforms (#711).

#### Performance Improvements
* Batchify box decomposition for 2d case (#642).

#### Other Changes
* Use scipy distribution in MES quantile bisect (#633).
* Use new closure definition for GPyTorch priors (#634).
* Allow enabling of approximate root decomposition in `posterior` calls (#652).
* Support for upcoming 21201-dimensional PyTorch `SobolEngine` (#672, #674).
* Refactored various MOO utilities to allow future additions (#656, #657, #658, #661).
* Support input_transform in PairwiseGP (#632).
* Output shape checks for t_batch_mode_transform (#577).
* Check for NaN in `gen_candidates_scipy` (#688).
* Introduce `base_sample_shape` property to `Posterior` objects (#718).


## [0.3.3] - Dec 8, 2020

Contextual Bayesian Optimization, Input Warping, TuRBO, sampling from polytopes.
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