A Runtime upgrade started.
Its end is indicated by UpgradeCompleted or UpgradeFailed.
UpgradeCompleted
UpgradeFailed
The number of migrations that this upgrade contains.
This can be used to design a progress indicator in combination with counting the MigrationCompleted and MigrationSkipped events.
MigrationCompleted
MigrationSkipped
A Runtime upgrade started.
Its end is indicated by
UpgradeCompleted
orUpgradeFailed
.