April 9th, 2024

Timefold Solver 1.9.0

Introducing Timefold Solver’s latest release: Broadening Horizons Across Industries.

In our pursuit to cater to a wider array of planning challenges, we have added new quickstarts in our latest release. Tailored to meet the dynamic needs of various industries and use-cases.

These quickstarts are designed to jump-start your planning processes, offering a fast track to deploying sophisticated scheduling and allocation solutions.

Enterprise Edition

Our customers gain an edge with the introduction of Nearby Selection in Construction Heuristics. This powerful feature enhances the solver’s capability to generate better initial solutions by considering proximity in decision-making, thereby optimizing operational efficiency and resource utilization across your projects.

And as always, this release also includes significant bug fixes and quality of life improvements for all users.

Changelog

🚀 Features

  • Improve constraint verifier error messages (#758), closes #758
  • Down-sampling process for Benchmarker (#714), closes #714

🐛 Fixes

  • Enable Nearby selection for Construction Heuristics (#767), closes #767
  • Benchmark duplicated metrics (#761), closes #163 #761
  • Unimproved terminations skip construction heuristic (#755), closes #755
  • Add rebase support to NoChangeMove and ListUnassignMove

🧰 Tasks

  • Remove ServiceLoader use from the codebase (#705), closes #705

📝 Documentation

  • Improve multi-threaded solving (#734), closes #734

Contributors

We'd like to thank the following people for their contributions:

  • Christopher Chianelli
  • Frederico Gonçalves (@zepfred)
  • Geoffrey De Smet
  • Lukáš Petrovický (@triceo)
  • Radovan Synek

Timefold Solver Community Edition is an open source project, and you are more than welcome to contribute as well! For more, see Contributing.

Should your business need to scale to truly massive data sets or require enterprise-grade support, check out Timefold Solver Enterprise Edition.

How to use Timefold Solver

To see Timefold Solver in action, check out the quickstarts.

With Maven or Gradle, add the ai.timefold.solver : timefold-solver-core : 1.9.0 dependency in your pom.xml to get started.

You can also import the Timefold Solver Bom (ai.timefold.solver : timefold-solver-bom : 1.9.0) to avoid duplicating version numbers when adding other Timefold Solver dependencies later on.

Additional notes

The changelog and the list of contributors above are automatically generated. It excludes contributions to certain areas of the repository, such as CI and build automation. This is done for the sake of brevity and to make the user-facing changes stand out more.

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Timefold

Timefold is an AI planning optimization platform, built on powerful open-source solver technology, enabling software builders to tackle real-world, complex and high-impact operational planning problems. It delivers significant economic value in optimization operations like extended VRP, maintenance scheduling, field service routing, task sequencing, etc.

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