[Pharo 8.0] Build #267: 3320-Improve-HistorySlot-and-other-small-fixes

There is a new Pharo build available!
 
The status of the build #267 was: FAILURE.

The Pull Request #3321 was integrated: "3320-Improve-HistorySlot-and-other-small-fixes"
Pull request url: https://github.com/pharo-project/pharo/pull/3321

Issue Url: https://github.com/pharo-project/pharo/issues/3320
Build Url: https://ci.inria.fr/pharo-ci-jenkins2/job/Test%20pending%20pull%20request%20and%20branch%20Pipeline/job/Pharo8.0/267/