On behalf of the SPDK community I'm pleased to announce the release of SPDK 19.10! This release contains the following new features: - Zoned bdev API: Zoned bdev is an extension of the bdev interface. Generic concept comes from ATA/SCSI and is also being worked as an NVMe TP. It will allow to use existing bdev infrastructure for new type zoned of devices. - Opal bdev: A new opal bdev has been added to support management of NVMe self-encrypting drives through the Opal specification. This feature is considered as experimental. - NVMe character device: Added NVMe character device implementation based on CUSE library. It allows creation of NVMe device nodes in Linux kernel for the controller and namespaces. This feature is considered as experimental. - Blobfs mount via RPC: Added mounting blobfs to path on host using RPC. - OCF: Added support for OCF v19.06. Added write-only, write-invalidate and write-around mode support. - DPDK: Added support for DPDK 19.08. - RPC names: Names of RPC were streamlined between different components. Previous RPC names are available, but will be deprecated. The full changelog for this release is available at: https://github.com/spdk/spdk/releases/tag/v19.10 This release contains 845 commits from 44 authors with over 44k lines of code changed. We'd especially like to recognize all of our first time contributors: Benjamin Saunders Kay Bouché Marcin Dzięgielewski Michael Haeuptle Michal Ben Haim Tom Nabarro Yang Fan Yan Wang Yao Liu Thanks to everyone for your contributions, participation, and effort! Thanks, Tomek