diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b589f801..20064b29 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -100,3 +100,20 @@ jobs:
         cmake -S . -B build_unit_test -GNinja -DOPT_ENABLE_COVERAGE=ON
         cmake --build build_unit_test
         ctest --test-dir build_unit_test --output-on-failure
+
+  dco-check:
+      runs-on: ubuntu-latest
+      steps:
+        - uses: actions/checkout@v3
+          with:
+            fetch-depth: 0
+        - name: Check commits for DCO
+          run: |
+            set -eo pipefail
+            git rev-list --no-merges origin/main..HEAD | while read -r rev; do
+              if ! git show "$rev" --pretty=format:%B --no-patch \
+                  | grep -qE '^Signed-off-by: [A-Za-z0-9 ._-]+ <[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,}>[[:space:]]*$'; then
+                echo "Commit $rev has a missing or malformed 'Signed-off-by' footer." >&2
+                exit 1
+              fi
+            done
diff --git a/README.md b/README.md
index 84cf49f8..4dca237c 100644
--- a/README.md
+++ b/README.md
@@ -125,7 +125,7 @@ for Armv8-M, Armv8.1-M architectures (e.g. the Cortex-M33, Cortex-M23,
 Cortex-M55, Cortex-M85 processors) and dual-core platforms. It is the platform
 security architecture reference implementation aligning with PSA Certified
 guidelines, enabling chips, Real Time Operating Systems and devices to become
-PSA Certified. Follow the [link](https://tf-m-user-guide.trustedfirmware.org/introduction/readme.html)
+PSA Certified. Follow the [link](https://trustedfirmware-m.readthedocs.io/en/latest/introduction/readme.html)
 for more information on Trusted Firmware M. To have a better overview of how Trusted Firmware M is integrated with the FRI project, you're kindly asked to check [Trusted Firmware M component document](docs/components/security/trusted_firmware-m/trusted_firmware-m.md)
 
 ### Mbed TLS
diff --git a/docs/components/security/trusted_firmware-m/trusted_firmware-m.md b/docs/components/security/trusted_firmware-m/trusted_firmware-m.md
index 0d7149f6..880f6195 100644
--- a/docs/components/security/trusted_firmware-m/trusted_firmware-m.md
+++ b/docs/components/security/trusted_firmware-m/trusted_firmware-m.md
@@ -143,7 +143,7 @@ For more details of how to use Trusted Firmware-M, see its [official documentati
 
 If you encounter any issues or have questions regarding the integration of Trusted Firmware M into your IoT project, feel free to reach out to the Arm support community or consult the official documentation for assistance.
 
-[Configuration]: https://tf-m-user-guide.trustedfirmware.org/configuration
-[official documentation]: https://tf-m-user-guide.trustedfirmware.org/
-[TF-M Platforms]: https://tf-m-user-guide.trustedfirmware.org/platform
+[Configuration]: https://trustedfirmware-m.readthedocs.io/en/latest/configuration/index.html
+[official documentation]: https://trustedfirmware-m.readthedocs.io/en/latest/index.html
+[TF-M Platforms]: https://trustedfirmware-m.readthedocs.io/en/latest/platform/index.html
 [Trusted Firmware-M]: https://www.trustedfirmware.org/projects/tf-m/
diff --git a/docs/development_environment/linux_dev_env.md b/docs/development_environment/linux_dev_env.md
index 657e6ec3..8a474a76 100644
--- a/docs/development_environment/linux_dev_env.md
+++ b/docs/development_environment/linux_dev_env.md
@@ -34,7 +34,7 @@
 
     ```bash
     sudo apt install python3-pip -y
-    python3 -m pip install ninja imgtool cffi intelhex cbor2 jinja2 PyYaml pyelftools click pyhsslms cbor cmake setuptools wheel
+    python3 -m pip install ninja imgtool cffi intelhex cbor2 jinja2 PyYaml pyelftools click pyhsslms cbor cmake setuptools wheel clang==14.0 rich
     ```
 
     **NOTE**: The virtual environment can be deactivated when not needed anymore
@@ -46,8 +46,8 @@
 * Installing required libraries
 
     ```bash
-    sudo apt install srecord
-    sudo apt install binutils
+    sudo apt install srecord binutils libsndfile1-dev libclang-14-dev
+    echo LD_LIBRARY_PATH=\"/usr/lib/llvm-14/lib:\$LD_LIBRARY_PATH\" >> ~/.bashrc
     ```
 * Installing a toolchain
 
diff --git a/release_changes/202506091030.change.md b/release_changes/202506091030.change.md
new file mode 100644
index 00000000..dd648fd6
--- /dev/null
+++ b/release_changes/202506091030.change.md
@@ -0,0 +1,3 @@
+github-ci: Add DCO sign-off enforcement workflow
+docs: Redirect TF-M links to Read the Docs URLs
+docs: Add the missing development environment requirements