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Upgrade recipe 6.5

OptaPlanner’s public API classes are backwards compatible (per series), but users often also use impl classes (which are documented in the reference manual too). This upgrade recipe minimizes the pain to upgrade your code and to take advantage of the newest features in OptaPlanner 6.5.

Legend

Every upgrade note has an indication how likely your code will be affected by that change:

  • Major Likely to affect your code.
  • Minor Unlikely to affect your code (especially if you followed the examples), unless you have hacks.
  • Impl detail Will not affect your code, unless you have very deep hacks.
  • Recommended Not a backward incompatible change, but you probably want to do this.
  • Readme Read this to better understand why the subsequent major changes were made.

Upgrade from an older version

To upgrade from an older version, first apply the previous upgrade recipes.

Note for Red Hat Decision Manager customers

The RHDM version differs from the OptaPlanner version:

RHDM version OptaPlanner version
7.7 7.33
7.8 7.39
7.9 7.44

From 6.4.0.Final to 6.5.0.Final

There is no impact on your code: this release contains only bugfixes.

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Latest release
  • 8.1.0.Final released
    Fri 15 January 2021
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Upcoming events
  • KIE Live
    Worldwide - Tue 19 January 2021
    • OptaPlanner Shadow Variables for the Vehicle Routing Problem and Task Assignment by Geoffrey De Smet, Karina Varela, Alex Porcelli
  • Javaland
    Worldwide - Tue 16 March 2021
    • AI on Quarkus: I love it when an OptaPlan comes together by Geoffrey De Smet
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Latest blog posts
  • Solve the facility location problem
    Fri 9 October 2020
     Jiří Locker
  • OptaPlanner Week 2020 recordings
    Mon 7 September 2020
     Geoffrey De Smet
  • Let’s OptaPlan your jBPM tasks (part 1) - Integrating the two worlds
    Fri 3 July 2020
     Walter Medvedeo
  • AI versus Covid-19: How Java helps nurses and doctors in this fight
    Fri 8 May 2020
     Christopher Chianelli
  • Workflow processes with AI scheduling
    Tue 5 May 2020
     Christopher Chianelli
  • Constraint Streams - Modern Java constraints without the Drools Rule Language
    Tue 7 April 2020
     Geoffrey De Smet
  • How to plan (and optimize) a Secret Santa
    Wed 18 December 2019
     Christopher Chianelli
Blog archive
Latest videos
  • YT Shadow variables
    Tue 19 January 2021
     Geoffrey De Smet
  • YT Domain modeling and design patterns
    Tue 17 November 2020
     Geoffrey De Smet
  • YT Quarkus insights: AI constraint solving
    Tue 20 October 2020
     Geoffrey De Smet
  • YT AI in kotlin
    Wed 23 September 2020
     Geoffrey De Smet
  • YT Planning agility: continuous planning, real-time planning and more
    Thu 3 September 2020
     Geoffrey De Smet
  • YT Quarkus and OptaPlanner: create a school timetable application
    Thu 3 September 2020
     Radovan Synek
  • YT Business use cases and the impact of OptaPlanner
    Thu 3 September 2020
     Satish Kale
Video archive

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