Blizzard has posted hotfixes for November 11th which includes the Dark Pact nerfs from beta making their way to live.
HotfixesNOVEMBER 11, 2022ClassesWarlock
Dark Pact now shields you for 200% of health sacrificed (was 250%).
Dark Pact’s additional shield amount has been reduced by 50%.
Fixed an issue where players were unable to complete the worgen starting zone.