diff --git a/doc/changes/auxiliary/mr.2471.md b/doc/changes/auxiliary/mr.2471.md
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+m/relation_history: Introduce an option for "filtered motion vectors" to calculate reasonable motion vectors of noisy input.
diff --git a/doc/changes/drivers/mr.2471.md b/doc/changes/drivers/mr.2471.md
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+d/hydra: Rewrite to add prediction, relation history, and filtered motion vectors.