Cockroach Labs, October 2025 new features

pebble 2.1.1

Pebble release used in production by CockroachDB 25.3.0, with v2 path. Caution! v2.x no longer supports the oldest on-disk formats; see README. Changes since v2.1.0: - block: fix off-by-one bug in CompressionStats - pebble-release-2.1: options: add Unsafe.AllowMissingWALDir option