Fabric release v3.1.1 (#5218)

Update release notes for v3.1.1

Signed-off-by: Yacov Manevich <[email protected]>

Author: yacovm

Makefile

@@ -46,7 +46,7 @@
 #   - verify - runs unit tests for only the changed package tree
 
 UBUNTU_VER ?= 24.04
-FABRIC_VER ?= 3.1.0
+FABRIC_VER ?= 3.1.1
 
 # 3rd party image version
 # These versions are also set in the runners in ./integration/runners/

docs/source/whatsnew.rst

@@ -100,6 +100,7 @@ Additionally, take a look at the announcements about changes and deprecations th
 
 * `Fabric v3.0.0 release notes <https://github.com/hyperledger/fabric/releases/tag/v3.0.0>`_.
 * `Fabric v3.1.0 release notes <https://github.com/hyperledger/fabric/releases/tag/v3.1.0>`_.
+* `Fabric v3.1.1 release notes <https://github.com/hyperledger/fabric/releases/tag/v3.1.1>`_.
 
 .. Licensed under Creative Commons Attribution 4.0 International License
    https://creativecommons.org/licenses/by/4.0/

release_notes/v3.1.1.md

@@ -0,0 +1,42 @@
+v3.1.1 Release Notes - May 10, 2025
+=====================================
+
+Operators that deploy BFT Fabric nodes are encouraged to upgrade to v3.1.1.
+
+
+Improvements and Fixes
+----------------------
+
+1. A goroutine leak in the BFT replication client [has been sealed](https://github.com/hyperledger/fabric/pull/5214) by [@pfi79](https://github.com/pfi79).
+2. A deadlock in SmartBFT caused by a view change concurrent to a block commit [is now fixed](https://github.com/hyperledger/fabric/pull/5212), thanks to [@pfi79](https://github.com/pfi79).
+
+
+Dependencies
+------------
+Fabric v3.1.1 has been tested with the following dependencies:
+* Go 1.24.2
+* CouchDB v3.4.2
+
+Fabric docker images on docker.io and ghcr.io utilize Ubuntu 24.04.
+
+
+Changes and Removals
+--------------------
+
+See the [v3.0.0 release notes](https://github.com/hyperledger/fabric/releases/tag/v3.0.0) for changes and removals between Fabric v2.x and Fabric v3.x.
+
+
+Deprecated features
+-------------------
+
+**Block dissemination via gossip is deprecated and may be removed**
+
+Block dissemination via gossip is deprecated and may be removed in a future release.
+Fabric peers can be configured to receive blocks directly from an ordering service
+node, and not gossip blocks, by using the following configuration:
+```
+peer.gossip.orgLeader: true
+peer.gossip.useLeaderElection: false
+peer.gossip.state.enabled: false
+peer.deliveryclient.blockGossipEnabled: false
+```