diff --git a/.azure-pipelines/azure-pipelines.yml b/.azure-pipelines/azure-pipelines.yml
index a1b784c2..3f9475d4 100644
--- a/.azure-pipelines/azure-pipelines.yml
+++ b/.azure-pipelines/azure-pipelines.yml
@@ -65,6 +65,17 @@ stages:
               test: 'devel/sanity/extra'
             - name: Units
               test: 'devel/units/1'
+  - stage: Ansible_2_18
+    displayName: Sanity & Units 2.18
+    dependsOn: []
+    jobs:
+      - template: templates/matrix.yml
+        parameters:
+          targets:
+            - name: Sanity
+              test: '2.18/sanity/1'
+            - name: Units
+              test: '2.18/units/1'
   - stage: Ansible_2_17
     displayName: Sanity & Units 2.17
     dependsOn: []
@@ -116,6 +127,19 @@ stages:
           groups:
             - 1
             - 2
+  - stage: Docker_2_18
+    displayName: Docker 2.18
+    dependsOn: []
+    jobs:
+      - template: templates/matrix.yml
+        parameters:
+          testFormat: 2.18/linux/{0}
+          targets:
+            - name: Ubuntu 24.04
+              test: ubuntu2404
+          groups:
+            - 1
+            - 2
   - stage: Docker_2_17
     displayName: Docker 2.17
     dependsOn: []
@@ -221,6 +245,19 @@ stages:
           groups:
             - 1
             - 2
+  - stage: Remote_2_18
+    displayName: Remote 2.18
+    dependsOn: []
+    jobs:
+      - template: templates/matrix.yml
+        parameters:
+          testFormat: 2.18/{0}
+          targets:
+            - name: RHEL 9.4
+              test: rhel/9.4
+          groups:
+            - 1
+            - 2
   - stage: Remote_2_17
     displayName: Remote 2.17
     dependsOn: []
@@ -288,14 +325,28 @@ stages:
           nameFormat: Python {0}
           testFormat: devel/generic/{0}
           targets:
-            - test: 3.8
-            # - test: 3.9
+            - test: "3.8"
+            # - test: "3.9"
             # - test: "3.10"
             - test: "3.11"
             - test: "3.13"
           groups:
             - 1
             - 2
+  - stage: Generic_2_18
+    displayName: Generic 2.18
+    dependsOn: []
+    jobs:
+      - template: templates/matrix.yml
+        parameters:
+          nameFormat: Python {0}
+          testFormat: 2.18/generic/{0}
+          targets:
+            - test: "3.8"
+            - test: "3.13"
+          groups:
+            - 1
+            - 2
   - stage: Generic_2_17
     displayName: Generic 2.17
     dependsOn: []
@@ -346,20 +397,24 @@ stages:
     condition: succeededOrFailed()
     dependsOn:
       - Ansible_devel
+      - Ansible_2_18
       - Ansible_2_17
       - Ansible_2_16
       - Ansible_2_15
       - Remote_devel_extra_vms
       - Remote_devel
+      - Remote_2_18
       - Remote_2_17
       - Remote_2_16
       - Remote_2_15
       - Docker_devel
+      - Docker_2_18
       - Docker_2_17
       - Docker_2_16
       - Docker_2_15
       - Docker_community_devel
       - Generic_devel
+      - Generic_2_18
       - Generic_2_17
       - Generic_2_16
       - Generic_2_15
diff --git a/README.md b/README.md
index 35e72447..a119633d 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ For more information about communication, see the [Ansible communication guide](
 
 ## Tested with Ansible
 
-Tested with the current Ansible 2.9, ansible-base 2.10, ansible-core 2.11, ansible-core 2.12, ansible-core 2.13, ansible-core 2.14, ansible-core 2.15, ansible-core 2.16, and ansible-core-2.17 releases and the current development version of ansible-core. Ansible versions before 2.9.10 are not supported.
+Tested with the current Ansible 2.9, ansible-base 2.10, ansible-core 2.11, ansible-core 2.12, ansible-core 2.13, ansible-core 2.14, ansible-core 2.15, ansible-core 2.16, ansible-core-2.17, and ansible-core 2.18 releases and the current development version of ansible-core. Ansible versions before 2.9.10 are not supported.
 
 ## External requirements
 
diff --git a/tests/integration/targets/get_certificate/tasks/main.yml b/tests/integration/targets/get_certificate/tasks/main.yml
index c7826b50..108691ca 100644
--- a/tests/integration/targets/get_certificate/tasks/main.yml
+++ b/tests/integration/targets/get_certificate/tasks/main.yml
@@ -19,6 +19,7 @@
     get_certificate:
       host: "{{ httpbin_host }}"
       port: 443
+      asn1_base64: "{{ true if ansible_version.full is version('2.18', '>=') else omit }}"
     ignore_errors: true
     register: result
 
diff --git a/tests/sanity/ignore-2.19.txt b/tests/sanity/ignore-2.19.txt
new file mode 100644
index 00000000..9ffe1e99
--- /dev/null
+++ b/tests/sanity/ignore-2.19.txt
@@ -0,0 +1,2 @@
+tests/ee/roles/smoke/library/smoke_ipaddress.py shebang
+tests/ee/roles/smoke/library/smoke_pyyaml.py shebang
diff --git a/tests/sanity/ignore-2.19.txt.license b/tests/sanity/ignore-2.19.txt.license
new file mode 100644
index 00000000..edff8c76
--- /dev/null
+++ b/tests/sanity/ignore-2.19.txt.license
@@ -0,0 +1,3 @@
+GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+SPDX-License-Identifier: GPL-3.0-or-later
+SPDX-FileCopyrightText: Ansible Project