diff --git a/.github/workflows/nightly-ubuntu-ci.yml b/.github/workflows/nightly-ubuntu-ci.yml
new file mode 100644
index 00000000000..cc4c622ab93
--- /dev/null
+++ b/.github/workflows/nightly-ubuntu-ci.yml
@@ -0,0 +1,88 @@
+name: Fast DDS Ubuntu CI (nightly)
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '0 1 * * *'
+
+jobs:
+  nightly-ubuntu-ci-master:
+    strategy:
+      fail-fast: false
+      matrix:
+        os-image:
+          - 'ubuntu-22.04'
+        security:
+          - true
+          - false
+    uses: eProsima/Fast-DDS/.github/workflows/reusable-ubuntu-ci.yml@master
+    with:
+      os-image: ${{ matrix.os-image }}
+      label: '${{ matrix.os-image }}-nightly-sec-${{ matrix.security }}-ubuntu-ci-master'
+      ctest-args: "-LE xfail"
+      fastdds-branch: 'master'
+      security: ${{ matrix.security }}
+      run-build: true
+      run-tests: true
+      use-ccache: false
+
+  nightly-ubuntu-ci-2_14_x:
+    strategy:
+      fail-fast: false
+      matrix:
+        os-image:
+          - 'ubuntu-22.04'
+        security:
+          - true
+          - false
+    uses: eProsima/Fast-DDS/.github/workflows/reusable-ubuntu-ci.yml@2.14.x
+    with:
+      os-image: ${{ matrix.os-image }}
+      label: '${{ matrix.os-image }}-nightly-sec-${{ matrix.security }}-ubuntu-ci-2.14.x'
+      ctest-args: "-LE xfail"
+      fastdds-branch: '2.14.x'
+      security: ${{ matrix.security }}
+      run-build: true
+      run-tests: true
+      use-ccache: false
+
+  nightly-ubuntu-ci-2_13_x:
+    strategy:
+      fail-fast: false
+      matrix:
+        os-image:
+          - 'ubuntu-22.04'
+        security:
+          - true
+          - false
+    uses: eProsima/Fast-DDS/.github/workflows/reusable-ubuntu-ci.yml@2.13.x
+    with:
+      os-image: ${{ matrix.os-image }}
+      label: '${{ matrix.os-image }}-nightly-sec-${{ matrix.security }}-ubuntu-ci-2.13.x'
+      ctest-args: "-LE xfail"
+      fastdds-branch: '2.13.x'
+      security: ${{ matrix.security }}
+      run-build: true
+      run-tests: true
+      use-ccache: false
+
+  nightly-ubuntu-ci-2_10_x:
+    strategy:
+      fail-fast: false
+      matrix:
+        os-image:
+          - 'ubuntu-22.04'
+        security:
+          - true
+          - false
+    uses: eProsima/Fast-DDS/.github/workflows/reusable-ubuntu-ci.yml@2.10.x
+    with:
+      os-image: ${{ matrix.os-image }}
+      label: '${{ matrix.os-image }}-nightly-sec-${{ matrix.security }}-ubuntu-ci-2.10.x'
+      ctest-args: "-LE xfail"
+      fastdds-branch: '2.10.x'
+      security: ${{ matrix.security }}
+      run-build: true
+      run-tests: true
+      use-ccache: false
+
diff --git a/.github/workflows/reusable-ubuntu-ci.yml b/.github/workflows/reusable-ubuntu-ci.yml
index ea06a75dcca..2ddd6a4ec67 100644
--- a/.github/workflows/reusable-ubuntu-ci.yml
+++ b/.github/workflows/reusable-ubuntu-ci.yml
@@ -27,11 +27,21 @@ on:
         description: 'Branch or tag of Fast DDS repository (https://github.com/eProsima/Fast-DDS)'
         required: true
         type: string
+      fastcdr-branch:
+        description: 'Branch or tag of Fast CDR repository (https://github.com/eProsima/Fast-CDR)'
+        required: false
+        type: string
+        default: 'master'
       security:
         description: 'Enable security features'
         required: false
         type: boolean
         default: true
+      run-build:
+        description: 'Build Fast DDS (CI skipped otherwise)'
+        required: false
+        type: boolean
+        default: true
       run-tests:
         description: 'Run test suite of Fast DDS, Fast DDS python, and Fast DDS Discovery Server'
         required: false
@@ -53,6 +63,7 @@ defaults:
 jobs:
   fastdds_build:
     runs-on: ${{ inputs.os-image }}
+    if: ${{ inputs.run-build == true }}
     strategy:
       fail-fast: false
       matrix:
@@ -105,6 +116,20 @@ jobs:
         with:
           api_token: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Get Fast CDR branch
+        id: get_fastcdr_branch
+        uses: eProsima/eProsima-CI/ubuntu/get_related_branch_from_repo@v0
+        with:
+          remote_repository: eProsima/Fast-CDR
+          fallback_branch: ${{ inputs.fastcdr-branch }}
+
+      - name: Download Fast CDR
+        uses: eProsima/eProsima-CI/external/checkout@v0
+        with:
+          repository: eProsima/Fast-CDR
+          path: ${{ github.workspace }}/src/fastcdr
+          ref: ${{ steps.get_fastcdr_branch.outputs.deduced_branch }}
+
       - name: Fetch Fast DDS dependencies
         uses: eProsima/eProsima-CI/multiplatform/vcs_import@v0
         with:
@@ -295,11 +320,17 @@ jobs:
         continue-on-error: false
         uses: eProsima/eProsima-CI/multiplatform/colcon_build@v0
         with:
+<<<<<<< HEAD
           colcon_meta_file: ${{ github.workspace }}/src/fastrtps/.github/workflows/config/fastdds_build.meta
           colcon_build_args: ${{ inputs.colcon-args }}
+=======
+          colcon_meta_file: ${{ github.workspace }}/src/fastdds/.github/workflows/config/fastdds_build.meta
+          colcon_build_args: ${{ inputs.colcon-args }} --packages-select fastdds_python
+>>>>>>> e6773fb0b (Add Ubuntu weekly ci (#5038))
           cmake_args: '${{ env.security-cmake-flag }} ${{ inputs.cmake-args }}'
           cmake_args_default: ''
           cmake_build_type: ${{ matrix.cmake-build-type }}
+          workspace_dependencies: ${{ github.workspace }}/install
           workspace: ${{ github.workspace }}
 
       - name: Upload python build artifacts
diff --git a/.github/workflows/reusable-windows-ci.yml b/.github/workflows/reusable-windows-ci.yml
index a382b581661..3427ae7fa2c 100644
--- a/.github/workflows/reusable-windows-ci.yml
+++ b/.github/workflows/reusable-windows-ci.yml
@@ -142,6 +142,7 @@ jobs:
           skip_existing: 'true'
 
       - name: Prepare build meta file
+<<<<<<< HEAD
         run: |
             $build_meta_file = '${{ github.workspace }}\src\fastrtps\.github\workflows\config\fastdds_build.meta'
             $test_meta_file = '${{ github.workspace }}\src\fastrtps\.github\workflows\config\fastdds_test.meta'
@@ -158,6 +159,12 @@ jobs:
 
             # Write the combined content to the build test meta file
             $combined_content | Out-File -FilePath $build_test_meta_file -Encoding UTF8
+=======
+        uses: eProsima/eProsima-CI/windows/merge_yaml_metas@v0
+        with:
+          metas: "@('${{ github.workspace }}/src/fastdds/.github/workflows/config/fastdds_build.meta', '${{ github.workspace }}/src/fastdds/.github/workflows/config/fastdds_test.meta')"
+          path: '${{ github.workspace }}/src/fastdds/.github/workflows/config/fastdds_build_test.meta'
+>>>>>>> e6773fb0b (Add Ubuntu weekly ci (#5038))
 
       - name: Build
         id: build
diff --git a/.github/workflows/ubuntu-ci.yml b/.github/workflows/ubuntu-ci.yml
index 67b2b3c9eff..040d14da85d 100644
--- a/.github/workflows/ubuntu-ci.yml
+++ b/.github/workflows/ubuntu-ci.yml
@@ -54,10 +54,7 @@ concurrency:
 jobs:
   ubuntu-ci:
 
-    if: ${{ (
-              !contains(github.event.pull_request.labels.*.name, 'skip-ci') &&
-              !contains(github.event.pull_request.labels.*.name, 'conflicts')
-            ) }}
+    if: ${{ !(github.event_name == 'pull_request') || !contains(github.event.pull_request.labels.*.name, 'conflicts') }}
     uses: ./.github/workflows/reusable-ubuntu-ci.yml
     with:
       # It would be desirable to have a matrix of ubuntu OS for this job, but due to the issue opened in this ticket:
@@ -69,5 +66,6 @@ jobs:
       ctest-args: ${{ inputs.ctest-args || '-LE xfail' }}
       fastdds-branch: ${{ inputs.fastdds_branch || github.ref || '2.14.x' }}
       security: ${{ ((inputs.security == true) && true) || github.event_name == 'pull_request' }}
+      run-build: ${{ !(github.event_name == 'pull_request') || !contains(github.event.pull_request.labels.*.name, 'skip-ci') }}
       run-tests: ${{ ((inputs.run-tests == true) && true) || (github.event_name == 'pull_request' && !contains(github.event.pull_request.labels.*.name, 'no-test')) }}
       use-ccache: ${{ ((inputs.use-ccache == true) && true) || false }}
diff --git a/.github/workflows/weekly-ubuntu-ci.yml b/.github/workflows/weekly-ubuntu-ci.yml
new file mode 100644
index 00000000000..c742836d246
--- /dev/null
+++ b/.github/workflows/weekly-ubuntu-ci.yml
@@ -0,0 +1,48 @@
+name: Fast DDS Ubuntu CI (weekly)
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '0 0 * * 1' # Run at minute 0 on Monday
+
+jobs:
+
+  weekly-ubuntu-ci-2_14_x:
+    strategy:
+      fail-fast: false
+      matrix:
+        fastcdr-branch:
+          - '1.1.x'
+          - '2.x'
+        security:
+          - true
+          - false
+    uses: eProsima/Fast-DDS/.github/workflows/reusable-ubuntu-ci.yml@2.14.x
+    with:
+      os-image: 'ubuntu-22.04'
+      label: 'weekly-sec-${{ matrix.security }}-fastcdr-${{ matrix.fastcdr-branch }}-ubuntu-ci-2.14.x'
+      ctest-args: "-LE xfail"
+      fastdds-branch: '2.14.x'
+      fastcdr-branch: ${{ matrix.fastcdr-branch }}
+      security: ${{ matrix.security }}
+      run-build: true
+      run-tests: true
+      use-ccache: false
+
+  weekly-ubuntu-ci-2_6_x:
+    strategy:
+      fail-fast: false
+      matrix:
+        security:
+          - true
+          - false
+    uses: eProsima/Fast-DDS/.github/workflows/reusable-ubuntu-ci.yml@2.6.x
+    with:
+      os-image: 'ubuntu-20.04'
+      label: 'weekly-sec-${{ matrix.security }}-ubuntu-ci-2.6.x'
+      ctest-args: "-LE xfail"
+      fastdds-branch: '2.6.x'
+      security: ${{ matrix.security }}
+      run-build: true
+      run-tests: true
+      use-ccache: false