bbotk 1.10.0

• chore: Minimum required version of rush is now 1.0.0. Removed all compatibility workarounds for older versions.
• fix: Remove non-API C entry points that caused CRAN warnings (#332).
• feat: Add mlr_test_functions dictionary with well-known 2-D optimization test functions (Branin, Rosenbrock, Himmelblau, Rastrigin, etc.) and sugar functions otfun() / otfuns().

bbotk 1.9.0

• feat: Allow "learn" tag (direction=0) alongside minimize/maximize in Codomain.
• feat: Add new base class EvalInstance from which OptimInstance now inherits. EvalInstance keeps information about a process that evaluates an Objective while not necessarily optimizing it.
• feat: Exporting formerly internal choose_search_space() function.
• feat: Use mlr3misc error classes for errors and warnings.
• compatibility: Compatible with rush 1.0.0.
• fix: Terminator print method works correctly now.

bbotk 1.8.1

• fix: Any Conditions work with OptimizerLocalSearch now.

bbotk 1.8.0

• feat: Add on_optimizer_queue_before_eval and on_optimizer_queue_after_eval stages to CallbackAsync and CallbackBatch.
• fix: Start phase of rush worker.

bbotk 1.7.1

fix: Imbalanced protection and casting in C code.
fix: Load required packages in worker loop.

bbotk 1.7.0

• BREAKING CHANGE: Replace OptimizerBatchLocalSearch with a faster C implementation.
• feat: Add par parameter to OptimizerGenSA.
• BREAKING CHANGE: Replace start parameter from OptimizerNloptr with x0 parameter.
• feat: Expose internal termination criteria of Optimizers.
• feat: Store required packages in Objective$packages.
• feat: Fail queued and running points when optimization is terminated.
• fix: Pass n_workers to rush.
• feat: Kill rush worker after optimization.
• feat: Add tiny logging mode.

bbotk 1.6.0

v1.6.0

...

bbotk 1.5.0

• compatibility: irace 4.1.0
• compatibility: rush 0.2.0
• refactor: Replace Codomain$maximization_to_minimization with $direction field.
• feat: Save ArchiveAsync to a data.table with ArchiveAsyncFrozen.

bbotk 1.4.1

• compatibility: irace 4.0.0

bbotk 1.4.0

• feat: Add OptimizerBatchChain that runs multiple optimizers sequentially.
• refactor: Only pass extra to $assign_result().