diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 79039d3eb7a..a1fdf8d1c55 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -442,11 +442,6 @@ jobs:
       CLI_VERSION=`cat $BUILD_ARTIFACTSTAGINGDIRECTORY/metadata/version`
       PYPI_FILES=$(cd $BUILD_ARTIFACTSTAGINGDIRECTORY/pypi; pwd)
       
-      echo "== Testing pip install on Python 3.7 =="
-      docker run \
-        --rm -v $PYPI_FILES:/mnt/pypi python:3.7 \
-        /bin/bash -c "ls /mnt/pypi && pip install -f /mnt/pypi -q azure-cli==$CLI_VERSION.* && az self-test && az --version && sleep 5"
-      
       echo "== Testing pip install on Python 3.9 =="
       docker run \
         --rm -v $PYPI_FILES:/mnt/pypi python:3.9 \
diff --git a/src/azure-cli-core/HISTORY.rst b/src/azure-cli-core/HISTORY.rst
index 5640370bc0e..996864131e0 100644
--- a/src/azure-cli-core/HISTORY.rst
+++ b/src/azure-cli-core/HISTORY.rst
@@ -3,6 +3,13 @@
 Release History
 ===============
 
+2.51.0
+++++++
+* `aaz`: Add `--max-items` and `--next-token` for pagination (#26710)
+* `aaz`: Support paginating calculation (#26713)
+* `aaz`: Support blank input for compound argument types (#26870)
+* Drop client telemetry cache strategy (#26854)
+
 2.50.0
 ++++++
 * `aaz`: Add short summary for `--location` when its default value comes from resource group (#26584)
diff --git a/src/azure-cli-core/azure/cli/core/__init__.py b/src/azure-cli-core/azure/cli/core/__init__.py
index dd8b37922cf..bad0433651d 100644
--- a/src/azure-cli-core/azure/cli/core/__init__.py
+++ b/src/azure-cli-core/azure/cli/core/__init__.py
@@ -4,7 +4,7 @@
 # --------------------------------------------------------------------------------------------
 # pylint: disable=line-too-long
 
-__version__ = "2.50.0"
+__version__ = "2.51.0"
 
 import os
 import sys
diff --git a/src/azure-cli-core/setup.py b/src/azure-cli-core/setup.py
index c6f84aa94a7..2ecc8675be8 100644
--- a/src/azure-cli-core/setup.py
+++ b/src/azure-cli-core/setup.py
@@ -8,7 +8,7 @@
 from codecs import open
 from setuptools import setup, find_packages
 
-VERSION = "2.50.0"
+VERSION = "2.51.0"
 
 # If we have source, validate that our version numbers match
 # This should prevent uploading releases with mismatched versions.
diff --git a/src/azure-cli/HISTORY.rst b/src/azure-cli/HISTORY.rst
index 47b7c4f742c..ea161d76d52 100644
--- a/src/azure-cli/HISTORY.rst
+++ b/src/azure-cli/HISTORY.rst
@@ -3,6 +3,111 @@
 Release History
 ===============
 
+2.51.0
+++++++
+
+**AKS**
+
+* `az aks nodepool snapshot update`: Add aks nodepool snapshot update command (#26790)
+* `az aks create`: Add new parameter `--k8s-support-plan` to support LTS onboarding, also add new tier enum `premium` (#26795)
+* `az aks update`: Support enabling/disabling LTS via new parameter `--k8s-support-plan` (#26795)
+* `az aks create`: Add node taint support when create cluster use `az aks` command (#26837)
+* `az aks update`: Add update node taint support on cluster level use `az aks` command (#26837)
+* `az aks enable-addons`: Fix the default value of option `--enable-msi-auth-for-monitoring` being overwritten to `False` when specified (#26844)
+* `az aks update`: Add new parameter `--outbound-type` to support cluster outbound type. (#26975)
+* `az aks maintenanceconfiguration list`: Add new command to list all maintenance windows in a cluster (#26758)
+* `az aks maintenanceconfiguration show`: Add new command to display a specific maintenance window of a cluster (#26758)
+* `az aks maintenanceconfiguration add`: Add new command to add a new maintenance window configuration for a cluster (#26758)
+* `az aks maintenanceconfiguration update`: Add new command to update an existing maintenance window configuration of a cluster (#26758)
+* `az aks maintenanceconfiguration delete`: Add new command to delete an existing maintenance window configuration of a cluster (#26758)
+* `az aks update`: Fix aks network profile update error (#27006)
+
+**App Config**
+
+* `az appconfig kv delete/set/set-keyvault`: Add key validations for null or empty space keys (#26928)
+* `az appconfig kv export/import/restore`: Update key-value diffing and preview (#26325)
+* `az appconfig snapshot`: Remove status code property from snapshot object (#26891)
+* `az appconfig snapshot list`: Use enums for status parameter (#26879)
+
+**App Service**
+
+* Fix #26214: `az webapp show`: Fix the bug caused by missing leading slash causes web app and plan commands to fail for s-clouds (#26921)
+* Fix #26214: `az appservice plan show`: Fix the bug caused by missing leading slash causes web app and plan commands to fail for s-clouds (#26921)
+* Fix #26601: `az functionapp create`: Throw error for consumption function app created with vnet (#26792)
+* Fix #21133: `az webapp/functionapp config ssl bind/unbind`: Search for matching certificates in the subscription by App Service Plan Id (#26617)
+
+**ARM**
+
+* `az stack`: Fix the bug that the required `--deny-settings-mode` parameter should not return None (should be a string) (#26900)
+* `az stack`: Fix the bug that the `--deny-settings-excluded-principals` parameter was accidentally reset (#26900)
+
+**Batch**
+
+* `az batch job/pool all-statistics`: Remove no longer worked commands (#26766)
+* `az batch pool create`: Add new parameter `--enable-accelerated-networking` to determine whether this pool should enable accelerated networking (#26766)
+
+**Cognitive Services**
+
+* `az cognitiveservices account deployment create`: Add `--sku-name` and `--sku-capacity` parameters (#26995)
+* `az cognitiveservices usage`: Add new command `list` (#26995)
+* `az cognitiveservices model`: Add new command `list` (#26995)
+
+**Compute**
+
+* `az vm/vmss create`: Enable auto upgrading of guest attestation extension by default for Trusted Launch enabled VMs and VMSS (#26878)
+* `az vm/vmss create`: Add new parameter `--disable-integrity-monitoring-autoupgrade` to support disabling auto upgrading of guest attestation extension for Trusted Launch enabled VMs and VMSS (#26878)
+* `az sig image-version undelete`: Add new command to support softdeleted image recovery (#26943)
+* `az vm/vmss/disk create`: Add new option `Standard` for `--security-type` for backward compatibility (#26892)
+* `az sig image-definition create`: Add new option `Standard` for `--security-type` for backward compatibility (#26892)
+
+**Cosmos DB**
+
+* `az cosmosdb restore`: Add `--assign-identity` and `--default-identity` to allow PITR restoring with identity (#26867)
+* `az cosmosdb postgres`: Add new command groups to support Cosmos DB for PostgreSQL (#26729)
+
+**Key Vault**
+
+* `az keyvault restore start`: Add `--key-name` to support selective key restoring (#26907)
+* `az keyvault key sign/verify`: Add new commands to support signing with keyvault key and verify the signature (#26922)
+
+**MySQL**
+
+* `az mysql flexible-server ad-admin set`: Enable AAD for replica (#27007)
+
+**Network**
+
+* `az network nic create/update`: Add parameters `--auxiliary-mode` and `--auxiliary-sku` to support setting auxiliary mode and sku (#26932)
+* `az network public-ip`: Add parameter `--dns-name-scope` to specify different options (#26961)
+* `az network private-endpoint-connection`: Add provider `Microsoft.ElasticSan/elasticSans` (#26988)
+
+**Packaging**
+
+* Drop Python 3.7 support (#26855)
+* Support x86 and x64 MSI builds (#26640)
+
+**Resource**
+
+* `az resource invoke-action`: Add new parameter `--no-wait` to support not waiting the long-running operation to finish (#26877)
+
+**Role**
+
+* `az ad sp create-for-rbac`: Add alias `--json-auth` for `--sdk-auth` (#26572)
+
+**Service Connector**
+
+* `az functionapp connection`: Add new command group to support service connector on Function App (#26825)
+* `az spring connection`: Enable new auth types for Spring Boot and Cosmos SQL connection (#26719)
+
+**SQL**
+
+* `az sql mi start/stop/start-stop-schedule`: Add SQL MI manual and scheduled start stop (#26979)
+
+**Storage**
+
+* `az storage container-rm update`: `--default-encryption-scope` and `--deny-encryption-scope-override` should not be specified during updating (#26948)
+* Fix #22704: `az storage account create`: `--encryption-key-type-for-queue` and `--encryption-key-type-for-table` no longer remove other settings (#26853)
+* Fix #26587: `az storage file upload`: Add `--file-url` to support supplying the url instead of share/file name (#26997)
+
 2.50.0
 ++++++
 
diff --git a/src/azure-cli/azure/cli/__main__.py b/src/azure-cli/azure/cli/__main__.py
index 513e91449e0..be36b34884a 100644
--- a/src/azure-cli/azure/cli/__main__.py
+++ b/src/azure-cli/azure/cli/__main__.py
@@ -18,7 +18,7 @@
 from knack.log import get_logger
 
 __author__ = "Microsoft Corporation <python@microsoft.com>"
-__version__ = "2.50.0"
+__version__ = "2.51.0"
 
 
 # A workaround for https://bugs.python.org/issue32502 (https://github.com/Azure/azure-cli/issues/5184)
diff --git a/src/azure-cli/requirements.py3.Darwin.txt b/src/azure-cli/requirements.py3.Darwin.txt
index 8954cbb5318..8b89888c639 100644
--- a/src/azure-cli/requirements.py3.Darwin.txt
+++ b/src/azure-cli/requirements.py3.Darwin.txt
@@ -4,9 +4,9 @@ argcomplete==3.1.1
 asn1crypto==0.24.0
 azure-appconfiguration==1.1.1
 azure-batch==14.0.0
-azure-cli-core==2.50.0
+azure-cli-core==2.51.0
 azure-cli-telemetry==1.1.0
-azure-cli==2.50.0
+azure-cli==2.51.0
 azure-common==1.1.22
 azure-core==1.26.0
 azure-cosmos==3.2.0
diff --git a/src/azure-cli/requirements.py3.Linux.txt b/src/azure-cli/requirements.py3.Linux.txt
index f36562872cd..0e190b1f15b 100644
--- a/src/azure-cli/requirements.py3.Linux.txt
+++ b/src/azure-cli/requirements.py3.Linux.txt
@@ -4,9 +4,9 @@ argcomplete==3.1.1
 asn1crypto==0.24.0
 azure-appconfiguration==1.1.1
 azure-batch==14.0.0
-azure-cli-core==2.50.0
+azure-cli-core==2.51.0
 azure-cli-telemetry==1.1.0
-azure-cli==2.50.0
+azure-cli==2.51.0
 azure-common==1.1.22
 azure-core==1.26.0
 azure-cosmos==3.2.0
diff --git a/src/azure-cli/requirements.py3.windows.txt b/src/azure-cli/requirements.py3.windows.txt
index 08a5689c208..2919f521239 100644
--- a/src/azure-cli/requirements.py3.windows.txt
+++ b/src/azure-cli/requirements.py3.windows.txt
@@ -4,9 +4,9 @@ argcomplete==3.1.1
 asn1crypto==0.24.0
 azure-appconfiguration==1.1.1
 azure-batch==14.0.0
-azure-cli-core==2.50.0
+azure-cli-core==2.51.0
 azure-cli-telemetry==1.1.0
-azure-cli==2.50.0
+azure-cli==2.51.0
 azure-common==1.1.22
 azure-core==1.26.0
 azure-cosmos==3.2.0
diff --git a/src/azure-cli/setup.py b/src/azure-cli/setup.py
index 18fd1ed47a2..953b41f2cfb 100644
--- a/src/azure-cli/setup.py
+++ b/src/azure-cli/setup.py
@@ -17,7 +17,7 @@
     logger.warn("Wheel is not available, disabling bdist_wheel hook")
     cmdclass = {}
 
-VERSION = "2.50.0"
+VERSION = "2.51.0"
 # If we have source, validate that our version numbers match
 # This should prevent uploading releases with mismatched versions.
 try: