Issues

• Segmentation fault when generating Capacitated Facility Location Problems with n_customers==n_facilities

  type/bug 🐛
  ds4dm/ecole#382 · Filter by author saper0 opened on Aug 22, 2026

• Version 0.8.1 ImportError

  type/bug 🐛
  ds4dm/ecole#378 · Filter by author mayor100101 opened on Apr 8, 2025

• Unable to generate feasible instances from ecole.instance.IndependentSetGenerator or ecole.instance.CombinatorialAuctionGenerator

  type/bug 🐛
  ds4dm/ecole#376 · Filter by author FlynnDowey opened on Dec 10, 2024

• Segfault in Set Cover generator

  type/bug 🐛
  ds4dm/ecole#374 · Filter by author nkrit1 opened on Sep 8, 2024
  1

• Segfault on deleting tuple with observation, action, reward in example/libecole/src/branching.cpp

  type/bug 🐛
  ds4dm/ecole#373 · Filter by author nkrit1 opened on Sep 8, 2024

• obs, action_set, reward, done, info = env.reset(instance) returns 'None' in obs, action_set and 'True' in done variables in set cover problem.

  ds4dm/ecole#369 · Filter by author azraaziz00 opened on Nov 23, 2023

• model.as_pyscipopt() error!

  type/bug 🐛
  ds4dm/ecole#368 · Filter by author yigeNNU opened on Oct 21, 2023

• How to train on datasets containing general integers

  type/bug 🐛
  ds4dm/ecole#367 · Filter by author samwu-learn opened on Sep 21, 2023

• 'ecole.core.observation.NodeBipartiteObs' object has no attribute 'variable_features'

  type/bug 🐛
  ds4dm/ecole#364 · Filter by author nguyenminhtuong opened on Aug 8, 2023
  4

• How can I use the Ecole to includeNodesel() callback

  type/enhancement 🚀
  ds4dm/ecole#360 · Filter by author xtjjyygy opened on May 5, 2023

• Installation error in Google Colab

  ds4dm/ecole#359 · Filter by author jatin-k31 opened on Apr 11, 2023

• Getting unreasonably large values for the Khalil feature rows_neg_coefs_mean

  type/bug 🐛
  ds4dm/ecole#356 · Filter by author SelinBayramoglu opened on Mar 11, 2023
  3

• Strong branching score of -1e+20 for candidate variables

  type/bug 🐛
  ds4dm/ecole#348 · Filter by author SelinBayramoglu opened on Sep 21, 2022
  1

• Unable to install Ecole 0.8.x via conda

  satus/cannot-reproduce ❌type/bug 🐛
  ds4dm/ecole#341 · Filter by author tegg89 opened on Aug 24, 2022
  5

• Unable to deep copy environment

  type/enhancement 🚀
  ds4dm/ecole#338 · Filter by author xtjjyygy opened on Jun 17, 2022
  3

• Suppport MacOS ARM64

  type/bug 🐛type/enhancement 🚀what/build-system 🔧
  ds4dm/ecole#336 · Filter by author Wuwuww opened on Jun 2, 2022
  1

• installation error

  satus/cannot-reproduce ❌type/bug 🐛
  ds4dm/ecole#329 · Filter by author LeonaireHo opened on Apr 29, 2022
  4

• How to get the final optimization result through ecole？

  ds4dm/ecole#326 · Filter by author Ljj199807 opened on Apr 25, 2022
  1

• installation error

  type/bug 🐛
  ds4dm/ecole#320 · Filter by author AyachiOmarChaima opened on Mar 18, 2022
  1

• About cut selection support.

  ds4dm/ecole#319 · Filter by author only-changer opened on Mar 17, 2022
  1

• the variables' order in the ecole.observation.NodeBipartite()

  type/bug 🐛
  ds4dm/ecole#318 · Filter by author stardustwls opened on Mar 16, 2022
  2

• install error

  type/bug 🐛
  ds4dm/ecole#317 · Filter by author zengqg opened on Mar 12, 2022
  2

• Document how to make a release

  what/documentation 📖
  ds4dm/ecole#309 · Filter by author AntoinePrv opened on Feb 6, 2022
  

• Load and solve VRP instances

  ds4dm/ecole#292 · Filter by author AntoinePrv opened on Nov 29, 2021

• Ecole instance generators don't match learn2branch generators

  type/bug 🐛
  ds4dm/ecole#273 · Filter by author dchetelat opened on Nov 3, 2021
  1