Trieste

**New features**
Trajectory sampler support for multiple outputs (582)
Acquisition Functions are now pickleable (607)

**Improvements**
TensorBoard logging improvements (593, 600, 605, 612, 620, 630)
Scalable Pareto front calculation (633)
Models with keras callbacks now pickleable (604, 615)
Keras backend fix for Deep GPs (591)
Fix issue with compiled tf.debugging.Asserts (622, 623)
Fix trajectory samplers for deep ensemble (611, 625)
Allow zero kernel samples in GPR hyperparameter init (635)

**Deprecated features**
Remove model config support (626)

**Build changes**
Code overview tutorial (592)
Expose trieste version (613, 618)
Cleaner API for single and multi objective test functions (628)
AskTell model setter (595)

**Full Changelog**: https://github.com/secondmind-labs/trieste/compare/v0.12.0...v0.13.0

**New features**
Early stop callback (579)
Experimental plotting utilities package (584)

**Improvements**
Scipy BFGS optimizer tensorboard logging (577)
Support empty tagged product spaces (578)

**Build changes**
Versioned documentation (581, 585, 586, 590)
Detect unreachable code (576)
Fix docstring parameter typos (587)

**Full Changelog**: https://github.com/secondmind-labs/trieste/compare/v0.11.3...v0.12.0

This point release fixes support for GPflux 0.2.7, which was broken when adding support for GPflux 0.3.0 in the last release.

**Full Changelog**: https://github.com/secondmind-labs/trieste/compare/v0.11.2...v0.11.3

This point release fixes another bug affecting the copying and saving of deep ensemble models, and also adds support for saving deep GP models.

**New features**
Copying and saving deep GP models (569)

**Fixes**
Fix copying deep ensemble model with no optimizer callbacks (569)

**Build changes**
Test against gpflux 0.3.0 and tensorflow 2.8.0 (571)

**Full Changelog**: https://github.com/secondmind-labs/trieste/compare/v0.11.1...v0.11.2

This point release fixes a bug affecting the copying and saving of deep ensemble models.

**Fixes**
Fix copying of deep ensemble models (567)

**Full Changelog**: https://github.com/secondmind-labs/trieste/compare/v0.11.0...v0.11.1

**New features**
SparseGaussianProcessRegression model wrapper (531)
MonteCarloExpectedImprovement acquisition function (393, 554)
DecoupledTrajectorySampler (504, 556, 559)
DeepGaussianProcessDecoupledTrajectorySampler (393, 549)
Fixed reference points for multi-objective optimization (385)
Inducing point selectors (511, 564)
HIPPO: HIghly Parallelizable Pareto Optimization (519)
Saving optimization history to disk (535)
Copying and saving deep ensemble models (540)
MakePositive acquisition function transformation (516)
try_get_optimal_point result helper method (517)

**Improvements**
TensorBoard monitoring overhaul (514, 515, 536, 544, 551)
Use gpflow posterior objects to speed up acquisition (523, 532)
DeepEnsembleTrajectorySampler improvements (541)
Avoid recompiling training loss closures (553)
Default to compiled model optimizer for gpflow (528)
Multiplication of mixed search spaces (518)
Seed argument in search space sample method (561)
Support ask-tell with uncopyable models (545)
Make gpflux builders consistent with gpflow builders (478)
Type checking improvements (506, 507, 513, 521)

**Build changes**
Update to gpflow 2.5.2 (522, 550, 555)
Name integration tests (508)
Make fake8 ignore build directory (557)
Thompson Sampling notebook (527)
Documentation fixes (502, 525, 542)

**Full Changelog**: https://github.com/secondmind-labs/trieste/compare/v0.10.0...v0.11.0