- Issue created by @dww
 - Merge request !20task: [#3401957] Undo matrix group testing on 1.x branch, use gitlab template variables β (Closed) created by dww
 - Merge request !21task: [#3401957] Reconfigure GitLab matrix testing for core 9.5 and 10.5, with... β (Closed) created by dww
 - Merge request !22task: [#3401957] Make some of the matrix build jobs manual only β (Closed) created by dww