Definition

What it is

1.82x TTFT speedup at 200K context.

Recent developments

Latest signals

iceberg-spark allow for other caching strategies #14417. Feature request to make Iceberg Spark cache expiration strategy configurable (expireAfterWrite instead of expireAfterAccess) to support periodic refresh of reference data in streaming joins without disabling caching entirely. Per GitHub (apache/iceberg) (2025-10-25).
Apache Data Lakehouse Weekly: April 30–May 6, 2026. Arrow release engineering cadence, Polaris post-1.4.0 stabilization, Iceberg V4 design follow-ups. Mentions labels-in-LoadTableResponse spec PR (apache/iceberg#15750), V4 metadata.json optionality direction, and published AI contribution policy as next deliverables. Per dev.to (alexmercedcoder) (2026-05-06).
Apache Data Lakehouse Weekly: April 23–29, 2026. Post-Iceberg Summit lakehouse stack updates. Polaris 1.4.0 release, Arrow 24.0.0, Iceberg V4 design work (metadata.json optionality, single-file commits, efficient column updates), Parquet footer redesign. Mentions upcoming V4 single-file commits write-up and AI contribution policy. Per dev.to (alexmercedcoder) (2026-04-29).

Outbound 1

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