When using replication, the operations materialized view was previously defaulting to a ReplicatedMergeTree. This release switches it to a SummingReplicatedMergeTree. Per the docs:
this significantly reduces storage volume and speeds up data selection
Existing replicated installations will remain on a ReplicatedMergeTree and would need to recreate or migrate the jaeger_operations table in order to pick up the change.
Non-replicated installations will not see any change as they are already using SummingMergeTree.