diff --git a/casper-node_release b/casper-node_release
index 095c2fa..a419e2b 100644
--- a/casper-node_release
+++ b/casper-node_release
@@ -1 +1 @@
-1.2.1-b7802f4
\ No newline at end of file
+1.3.1-10ed44340
\ No newline at end of file
diff --git a/config/CHANGELOG.md b/config/CHANGELOG.md
index 45cb974..70bd938 100644
--- a/config/CHANGELOG.md
+++ b/config/CHANGELOG.md
@@ -12,6 +12,36 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 [comment]: <> (Security:   in case of vulnerabilities)
 
 
+## 1.3.1 - 1346
+### casper-node 1.3.1-10ed44340
+
+## Added
+* config-example.toml
+  * consensus
+    * highway
+      * shutdown_on_standstill = true
+  * network
+    * max_outgoing_byte_rate_non_validators
+    * max_incoming_message_rate_non_validators
+  * storage
+    * enable_mem_deduplication
+    * mem_pool_prune_interval
+  * linear_chain_sync
+    * sync_timeout
+
+## Changed
+* chainspec.toml
+  * protocol
+    * version
+    * activation_point
+* config-example.toml
+  * consensus
+    * highway
+      * standstill_timeout from 5min to 30min
+  * event_stream_server
+    * qps_limit changed to max_concurrent_subscribers
+
+
 ## 1.2.1 - 1143
 ### casper-node 1.2.1-b7802f4
 
diff --git a/config/chainspec.toml b/config/chainspec.toml
index d768f7c..4938ff8 100644
--- a/config/chainspec.toml
+++ b/config/chainspec.toml
@@ -1,6 +1,6 @@
 [protocol]
 # Protocol version.
-version = '1.2.1'
+version = '1.3.1'
 # Whether we need to clear latest blocks back to the switch block just before the activation point or not.
 hard_reset = true
 # This protocol version becomes active at this point.
@@ -11,7 +11,7 @@ hard_reset = true
 # in contract-runtime for computing genesis post-state hash.
 #
 # If it is an integer, it represents an era ID, meaning the protocol version becomes active at the start of this era.
-activation_point = 1143
+activation_point = 1346
 # Optional era ID in which the last emergency restart happened.
 #last_emergency_restart = 0
 
diff --git a/config/config-example.toml b/config/config-example.toml
index 72b3d99..2d37846 100644
--- a/config/config-example.toml
+++ b/config/config-example.toml
@@ -44,7 +44,10 @@ unit_hashes_folder = "/var/lib/casper/casper-node"
 pending_vertex_timeout = '30min'
 
 # If the current era's protocol state has not progressed for this long, shut down.
-standstill_timeout = '5min'
+standstill_timeout = '30min'
+
+# If after another `standstill_timeout` there still was no progress, shut down.
+shutdown_on_standstill = true
 
 # Log inactive or faulty validators periodically, with this interval.
 log_participation_interval = '1min'
@@ -110,13 +113,6 @@ known_addresses = ['3.208.91.63:35000','35.169.197.193:35000']
 # The interval (in milliseconds) between each fresh round of gossiping the node's public address.
 gossip_interval = 120_000
 
-# Enable systemd support. If enabled, the node will notify systemd once it has synced and its
-# listening socket for incoming connections is open.
-#
-# It is usually better to leave this option off and enable it explicitly via command-line override
-# only in the unit files themselves via `-C=network.systemd_support=true`.
-systemd_support = false
-
 # Minimum amount of time that has to pass before attempting to reconnect after losing all
 # connections to established nodes.
 isolation_reconnect_delay = '2s'
@@ -128,6 +124,15 @@ initial_gossip_delay = '5s'
 # How long a connection is allowed to be stuck as pending before it is abandoned.
 max_addr_pending_time = '1min'
 
+# The maximum amount of upstream bandwidth in bytes per second allocated to non-validating peers.
+# A value of `0` means unlimited.
+max_outgoing_byte_rate_non_validators = 6553600
+
+# The maximum amount of requests from validating peers per second answered.
+# A value of `0` means unlimited.
+max_incoming_message_rate_non_validators = 3000
+
+
 # ==================================================
 # Configuration options for the JSON-RPC HTTP server
 # ==================================================
@@ -180,9 +185,8 @@ address = '0.0.0.0:9999'
 # The number of event stream events to buffer.
 event_stream_buffer_length = 5000
 
-# The global max rate of requests (per second) before they are limited.
-# Request will be delayed to the next 1 second bucket once limited.
-qps_limit = 10
+# The maximum number of subscribers across all event streams the server will permit at any one time.
+max_concurrent_subscribers = 100
 
 
 # ===============================================
@@ -226,6 +230,16 @@ max_deploy_metadata_store_size = 322_122_547_200
 # 10_737_418_240 == 10 GiB.
 max_state_store_size = 10_737_418_240
 
+# Memory deduplication.
+#
+# If enabled, nodes will attempt to share loaded objects if possible.
+enable_mem_deduplication = true
+
+# Memory duplication garbage collection.
+#
+# Sets the frequency how often the memory pool cache is swept for free references.
+mem_pool_prune_interval = 1024
+
 
 # ===================================
 # Configuration options for gossiping
@@ -300,6 +314,15 @@ verify_accounts = true
 #max_query_depth = 5
 
 
+# ========================================================
+# Configuration options for synchronizing the linear chain
+# ========================================================
+[linear_chain_sync]
+
+# The amount of time that the node will try to sync without making progress before shutting down.
+sync_timeout = '1hr'
+
+
 # ====================================================================
 # Configuration options for selecting deploys to propose in new blocks
 # ====================================================================
diff --git a/protocol_versions b/protocol_versions
index 622fad9..8d7dafd 100644
--- a/protocol_versions
+++ b/protocol_versions
@@ -3,3 +3,4 @@
 1_1_2
 1_2_0
 1_2_1
+1_3_1