Block Streams replace the Record Stream by default starting September 2026: Action required by Mirror Node operators

Block streams replace record streams as the canonical network output format. Mirror node operators and consumers of record files must deploy v0.155.1 of the hiero-mirror-node, or a later cutover-compatible release, before this date to continue ingesting network data without interruption. The post Block Streams replace the Record Stream by default starting September 2026: Action required by Mirror Node operators appeared first on Hedera .