Apache Arrow at 10, ADBC, Flight SQL, nanoarrow, the AI reinterpretation, and how an in-memory standard eliminated the copy tax across the data stack.
Apache Parquet in 2026, variant types, geospatial, ALP encoding, footer redesign, the versioning debate, and how the decade-old format is renovating.
Apache Polaris as a TLP, federation, credential vending, semantic layers, lineage, and how the open catalog became the governance plane.
Every path for streaming data into Iceberg in 2026, Flink, Spark, Kafka Connect, broker-native, managed pipelines, with honest latency numbers.
