Microsoft Fabric Open Mirroring agent changelog

New target-only agent: snapshots and CDC as Parquet change files in the landing zone of a Microsoft Fabric mirrored database through Open Mirroring, with Microsoft Entra service principal authentication, row markers, _metadata.json and _partnerEvents.json files, and column additions picked up by Fabric (GS2-606);

Files are published atomically (temporary name, single flush, rename without replacing), Parquet files default to ZSTD compression with 10,000-row row groups and up to 1,000,000 rows, and files upload in parallel blocks (GS2-606);