Maxime Gasse

Correct footer/header and hyperref/bookmark for unnumbered chapters

2

There is an issue with unnumbered chapters with more than one page: the footer/header of the previous chapter is repeated. This can be fixed by using \addchap\* instead of \chapter\*...

## Pull request checklist - [x] I have opened an issue to discuss the proposed changes: Fix #314 - [ ] I have modified/added tests to cover the new changes/features....

Allow MILP bipartite observations in the SOLVING stage ?

3

@dchetelat do you think this will cause any issue ? I suppose if that passes all the tests then we should be ok ?

PySCIPOpt callbacks and Model lifetime

3

### Discussed in https://github.com/ds4dm/ecole/discussions/193 A partial fix has been merged into PySCIPOpt [here](https://github.com/scipopt/PySCIPOpt/pull/505). Still, I understand that one must keep a reference to the PySCIPOpt object that was used to...

Segfault using Configuring environment

10

## Describe the bug A segfault happens randomly when using the Configuring environment as in the tutorial. ## Setting - OS: Linux 5.9.11-200.fc33.x86_64 #1 SMP Tue Nov 24 18:18:01 UTC...

How Ecole handles CTRL-C

2

## Describe the bug At the moment, pressing CTL-C while Ecole is running results in either one the two following effects: 1) SCIP catches the signal and interrupts the solving...

Think about the possibility of composing environments, e.g., Node selection + branching

Allow for nested exceptions

6

Replace `Exception` for `std::exception` in order to allow `std::throw_with_nested`. That would improve error messages for the users.

Doc / tutorials

2

- [ ] tutorial how to implement new tasks / benchmarks - [ ] refer users to AgentLab to evaluate agents

# What we want The current chat API is not super modular. Ideally we would like to be able to switch between different chat implementations, which can be parameterized via...