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+Release notes for VPP 19.08.2
+=============================
+
+The 19.08.2 is an LTS release. It contains numerous fixes, as well as
+new features and API additions.
+
+Features
+--------
+
+- API trace tool
+
+ - Add text output (c395ff143)
+
+- Binary API Libraries
+
+ - Add API support for PP2 plugin to stable/1908 (1c3c9f039)
+
+- Build System
+
+ - Pass ‘no-pci’ to autgenerated config (c0552134e)
+ - Add env variable to pass extra cmake args (116e05f57)
+
+- Infrastructure Library
+
+ - Implement CLIB_PAUSE () for aarch64 platforms (a3c45242b)
+ - Create unformat function for data size parsing (cb19100c1)
+
+- Link Bonding
+
+ - Fix interface deletion (1517d5e72)
+ - Add GSO support (a06f68556)
+
+- Physical Memory Allocator
+
+ - Always lock pages (5b2eea6e0)
+
+- Plugins
+
+ - AVF Device driver
+
+ - Print queue id in packet trace (9e028d047)
+
+ - DPDK
+
+ - Ipsec tunnel support for ip6-in-ip4 (2dde5a478)
+ - QAT devices update, add c4xxx and xeon d15xx (f5d6c80ac)
+ - Add TSO support in DPDK plugin. (5564db853)
+
+ - Group Based Policy (GBP)
+
+ - Add extended SFC unit tests (30f7e4198)
+
+ - Host Stack Applications
+
+ - Make APP_OPTIONS_PREALLOC_FIFO_PAIRS configurable (47c6f36be)
+
+ - Internet Key Exchange (IKEv2) Protocol
+
+ - Add support for GCM cipher (2fa9f679c)
+
+ - QUIC protocol
+
+ - Add cli command for stats (88af6c3f4)
+ - Add Tx, Rx and packet drop counters (3a61a40dd)
+ - Create custom event logger (2f9ec5001)
+ - Make quic fifo size configurable via cli (7fc3d97b8)
+
+ - RDMA (ibverb) driver
+
+ - Add support for input feature arcs (cbae1e1c5)
+ - Add support for MAC changes (ffdfe308b)
+
+ - Http_static
+
+ - Add dynamic GET / POST method hooks (faf5195e3)
+
+- Python binding for the VPP API
+
+ - Let async calls return context (e6b29a9df)
+ - Introduce read_blocking (1c45b85df)
+
+- SVM Library
+
+ - Improve fifo segment verbose cli (d2bff0786)
+
+- Statistics Segment
+
+ - Add /if/<n>/<n>/state for lacp interface state (d5e8ed7be)
+
+- Test Infrastructure
+
+ - Support worker threads (51699e62c)
+ - Support setting random seed (fc000f0e1)
+ - Add cli_return_response to vpp_papi_provider (64d744350)
+ - Test tls case (87e1bcdd7)
+
+- VNET
+
+ - Classifier
+
+ - Use vector code even when data is not aligned (bebbd7f62)
+ - VPP packet tracer support (7c5a3536c)
+
+ - IPSec
+
+ - Add ‘detail’ option to ‘sh ipsec sa’ (56417fa94)
+ - Add insecure option for format of SA (591aa64e8)
+ - Support 4o6 and 6o4 for tunnel protect (2e6d73934)
+
+ - IPv4 and IPv6 LPM
+
+ - Allow addrs from the same prefix on intf (da900b25c)
+ - Punt rather than drop unkown IPv6 ICMP packets (fd2f6f89e)
+
+ - Session Layer
+
+ - Add explicit reset api (a267cba29)
+ - Improve cli (2ff21af39)
+ - Add session enable option in config file (b1ef5567b)
+ - Limit pacer bucket size (079895d95)
+ - Builtin app rx notifications regardless of state (8e4afc86d)
+ - Infra for transports to send buffers (57997c874)
+ - Reschedule asap when snd space constrained (89ab1762d)
+
+ - TCP
+
+ - Allow cc algos to set pacing rate (82df1eb90)
+ - Set cc_algo on connection alloc (7fe501a4b)
+ - Add option for always on event logging (e73bd8503)
+ - Track zero rwnd errors (a2c063712)
+ - Validate connections in output (ea584d137)
+ - Force zero window on full rx fifo (fbe948c81)
+ - Send rwnd update only if wnd is large enough (0ad8477ba)
+ - Enable gso in tcp hoststack (6f3621d77)
+ - Handle SACK reneging (9dba3dbf0)
+ - Use rate sample RTT in recovery if possible (6702641f5)
+ - Compute snd time for rate sample (69460ae11)
+ - Use sacks for timer based recovery (d4aa3d9f8)
+ - Custom checksum calculations for Ipv4/Ipv6 (3642782a2)
+ - Retry lost retransmits (7b135c639)
+ - Improve pacing after idle send periods (abdc7dfb5)
+ - Track lost rxt segments in byte tracker (6de46b40d)
+ - Validate the IP address while checking TCP connection
+ (6c1ce53b4)
+ - Improve lost rxt heuristic (04b4204d9)
+
+- VPP Comms Library
+
+ - Allow non-blocking connects (4767cf24f)
+ - Add api to set lcl ip (2c55610e2)
+
+- Vector Library
+
+ - Add flag to explicitelly mark nodes which can init per-node packet
+ trace (29dc11bde)
+ - Enhance the “show cli” debug CLI command (b5a0108ac)
+
+- Libmemif
+
+ - Introduce ‘memif_per_thread\_’ namespace (2736fc7fc)
+
+API changes
+-----------
+
+Description of results:
+
+- *Definition changed*: indicates that the API file was modified
+ between releases.
+- *Only in image*: indicates the API is new for this release.
+- *Only in file*: indicates the API has been removed in this release.
+
+================ =============
+Message Name Result
+================ =============
+app_attach only in image
+app_attach_reply only in image
+================ =============
+
+Found 2 api message signature differences
+
+Fixed issues
+------------
+
+For the full list of fixed issues please refer to:
+
+- fd.io `JIRA <https://jira.fd.io>`__
+- git `commit log <https://git.fd.io/vpp/log/?h=stable/1908>`__