The issue of players not being able to loot Potent Blood has been resolved, however, Diablo 4 Global Community Development Director, Adam Fletcher, has stated that the team will need additional time to resolve the issue of players not being able to progress their Season Journeys.
Diablo 4 Patch 1.2.2 Hotfix 2 — Potent Blood Season Journey Progression Issues — Diablo 4
While this issue was expected to be resolved alongside the Potent Blood Hotfix today, the team has stated that they will require additional testing in order to ensure that the Season Journey is working properly.
Blood Knight Could be Coming to Diablo 4 Mini-Pets are a Possibility in Diablo 4