diff --git a/.azure-pipelines/azure-pipelines.yml b/.azure-pipelines/azure-pipelines.yml
index c85fa9fb..fb467c18 100644
--- a/.azure-pipelines/azure-pipelines.yml
+++ b/.azure-pipelines/azure-pipelines.yml
@@ -63,6 +63,17 @@ stages:
               test: 'devel/sanity/1'
             - name: Units
               test: 'devel/units/1'
+  - stage: Ansible_2_20
+    displayName: Sanity & Units 2.20
+    dependsOn: []
+    jobs:
+      - template: templates/matrix.yml
+        parameters:
+          targets:
+            - name: Sanity
+              test: '2.20/sanity/1'
+            - name: Units
+              test: '2.20/units/1'
   - stage: Ansible_2_19
     displayName: Sanity & Units 2.19
     dependsOn: []
@@ -117,6 +128,21 @@ stages:
           groups:
             - 4
             - 5
+  - stage: Docker_2_20
+    displayName: Docker 2.20
+    dependsOn: []
+    jobs:
+      - template: templates/matrix.yml
+        parameters:
+          testFormat: 2.20/linux/{0}
+          targets:
+            - name: Fedora 42
+              test: fedora42
+            - name: Alpine 3.22
+              test: alpine322
+          groups:
+            - 4
+            - 5
   - stage: Docker_2_19
     displayName: Docker 2.19
     dependsOn: []
@@ -125,7 +151,7 @@ stages:
         parameters:
           testFormat: 2.19/linux/{0}
           targets:
-            - name: Fedora 42
+            - name: Fedora 41
               test: fedora41
             - name: Alpine 3.21
               test: alpine321
@@ -210,6 +236,22 @@ stages:
             - 3
             - 4
             - 5
+  - stage: Remote_2_20
+    displayName: Remote 2.20
+    dependsOn: []
+    jobs:
+      - template: templates/matrix.yml
+        parameters:
+          testFormat: 2.20/{0}
+          targets:
+            - name: RHEL 9.6
+              test: rhel/9.6
+          groups:
+            - 1
+            - 2
+            - 3
+            - 4
+            - 5
   - stage: Remote_2_19
     displayName: Remote 2.19
     dependsOn: []
@@ -267,14 +309,17 @@ stages:
     condition: succeededOrFailed()
     dependsOn:
       - Ansible_devel
+      - Ansible_2_20
       - Ansible_2_19
       - Ansible_2_18
       - Ansible_2_17
       - Remote_devel
+      - Remote_2_20
       - Remote_2_19
       - Remote_2_18
       - Remote_2_17
       - Docker_devel
+      - Docker_2_20
       - Docker_2_19
       - Docker_2_18
       - Docker_2_17
diff --git a/antsibull-nox.toml b/antsibull-nox.toml
index 95ea8b31..33f52dbb 100644
--- a/antsibull-nox.toml
+++ b/antsibull-nox.toml
@@ -137,13 +137,29 @@ description = "Meta session for running all ansible-test-integration-2.19-* sess
 [[sessions.ansible_test_integration.groups.sessions]]
 ansible_core = "2.19"
 target = [ "azp/4/", "azp/5/" ]
-docker = [ "fedora42", "alpine321" ]
+docker = [ "fedora41", "alpine321" ]
 
 [[sessions.ansible_test_integration.groups.sessions]]
 ansible_core = "2.19"
 target = [ "azp/1/", "azp/2/", "azp/3/", "azp/4/", "azp/5/" ]
 remote = [ "rhel/9.5", "ubuntu/22.04" ]
 
+# Ansible-core 2.20:
+
+[[sessions.ansible_test_integration.groups]]
+session_name = "ansible-test-integration-2.20"
+description = "Meta session for running all ansible-test-integration-2.20-* sessions."
+
+[[sessions.ansible_test_integration.groups.sessions]]
+ansible_core = "2.20"
+target = [ "azp/4/", "azp/5/" ]
+docker = [ "fedora42", "alpine322" ]
+
+[[sessions.ansible_test_integration.groups.sessions]]
+ansible_core = "2.20"
+target = [ "azp/1/", "azp/2/", "azp/3/", "azp/4/", "azp/5/" ]
+remote = [ "rhel/9.6" ]
+
 # Ansible-core devel:
 
 [[sessions.ansible_test_integration.groups]]
diff --git a/tests/sanity/ignore-2.21.txt b/tests/sanity/ignore-2.21.txt
new file mode 100644
index 00000000..12e0b26f
--- /dev/null
+++ b/tests/sanity/ignore-2.21.txt
@@ -0,0 +1 @@
+plugins/modules/docker_container_copy_into.py validate-modules:undocumented-parameter # _max_file_size_for_diff is used by the action plugin
diff --git a/tests/sanity/ignore-2.21.txt.license b/tests/sanity/ignore-2.21.txt.license
new file mode 100644
index 00000000..edff8c76
--- /dev/null
+++ b/tests/sanity/ignore-2.21.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