Merged r9864 from trunk.
Updates for 2.0.3 release.
Merged r9861 from trunk.
Fix: Unable to run unit and functional tests if git binary is not available.
Backported r9858 from trunk.
Merged r9858 from trunk.
Fixed that deleting a project with subtasks may fail (#11185).
Backport r9856 from trunk (#11186)
Traditional Chinese translation updated by ChunChang Lo.
Traditional Chinese translation updated by ChunChang Lo (#11186)