diff --git a/.github/workflows/mirror.yml b/.github/workflows/mirror.yml
deleted file mode 100644
index 666f5571..00000000
--- a/.github/workflows/mirror.yml
+++ /dev/null
@@ -1,25 +0,0 @@
-# .github/workflows/mirror.yml
-name: Mirror
-on:
-  push:
-    branches:
-      - 'master'
-
-jobs:
-  mirror_job:
-    runs-on: ubuntu-latest
-    name: Mirror master branch to compatible minor version branches
-    strategy:
-      fail-fast: false
-      matrix:
-        dest_branch:
-          - '4.2.x'
-          - '4.x'
-    steps:
-    - name: Mirror action step
-      id: mirror
-      uses: eProsima/eProsima-CI/external/mirror-branch-action@v0
-      with:
-        github-token: ${{ secrets.GITHUB_TOKEN }}
-        source: 'master'
-        dest: ${{ matrix.dest_branch }}
diff --git a/.github/workflows/nightly-ubuntu-ci.yml b/.github/workflows/nightly-ubuntu-ci.yml
deleted file mode 100644
index 5b52b3a5..00000000
--- a/.github/workflows/nightly-ubuntu-ci.yml
+++ /dev/null
@@ -1,94 +0,0 @@
-name: Fast DDS Gen Ubuntu CI (nightly)
-
-on:
-  workflow_dispatch:
-  schedule:
-    - cron: '0 1 * * *'
-
-jobs:
-  nightly-ubuntu-ci-master:
-    strategy:
-      fail-fast: false
-      matrix:
-        java-version:
-          - 'openjdk-11-jdk'
-          - 'openjdk-19-jdk'
-    uses: eProsima/Fast-DDS-Gen/.github/workflows/reusable-ubuntu-ci.yml@master
-    with:
-      os-version: 'ubuntu-22.04'
-      java-version: ${{ matrix.java-version }}
-      label: 'nightly-ubuntu-ci-master'
-      fastddsgen-branch: 'master'
-      fastdds-branch: 'master'
-      fastcdr-branch: 'master'
-      fastdds-python-branch: 'main'
-      discovery-server-branch: 'master'
-      run-build: true
-      run-tests: true
-      use-ccache: false
-
-  nightly-ubuntu-ci-4_1_x-fast-3_3_x:
-      strategy:
-        fail-fast: false
-        matrix:
-          java-version:
-            - 'openjdk-11-jdk'
-            - 'openjdk-19-jdk'
-      uses: eProsima/Fast-DDS-Gen/.github/workflows/reusable-ubuntu-ci.yml@4.1.x
-      with:
-        os-version: 'ubuntu-22.04'
-        java-version: ${{ matrix.java-version }}
-        label: 'nightly-ubuntu-ci-4.1.x-3.3.x'
-        fastddsgen-branch: '4.1.x'
-        fastdds-branch: '3.3.x'
-        fastcdr-branch: '2.3.x'
-        fastdds-python-branch: '2.3.x'
-        discovery-server-branch: 'v2.0.0'
-        run-build: true
-        run-tests: true
-        use-ccache: false
-
-  nightly-ubuntu-ci-4_0_x-fast-3_2_x:
-      strategy:
-        fail-fast: false
-        matrix:
-          java-version:
-            - 'openjdk-11-jdk'
-            - 'openjdk-19-jdk'
-      uses: eProsima/Fast-DDS-Gen/.github/workflows/reusable-ubuntu-ci.yml@4.0.x
-      with:
-        os-version: 'ubuntu-22.04'
-        java-version: ${{ matrix.java-version }}
-        label: 'nightly-ubuntu-ci-4.1.x-3.2.x'
-        fastddsgen-branch: '4.0.x'
-        fastdds-branch: '3.2.x'
-        fastcdr-branch: '2.3.x'
-        fastdds-python-branch: '2.2.x'
-        discovery-server-branch: 'v2.0.0'
-        run-build: true
-        run-tests: true
-        use-ccache: false
-
-  nightly-ubuntu-ci-3_3_x:
-    strategy:
-      fail-fast: false
-      matrix:
-        java-version:
-          - 'openjdk-11-jdk'
-          - 'openjdk-19-jdk'
-        fastcdr-branch:
-          - '1.1.x'
-          - '2.x'
-    uses: eProsima/Fast-DDS-Gen/.github/workflows/reusable-ubuntu-ci.yml@3.3.x
-    with:
-      os-version: 'ubuntu-22.04'
-      java-version: ${{ matrix.java-version }}
-      label: 'nightly-ubuntu-ci-3.3.x'
-      fastddsgen-branch: '3.3.x'
-      fastdds-branch: '2.14.x'
-      fastcdr-branch: ${{ matrix.fastcdr-branch }}
-      fastdds-python-branch: '1.4.x'
-      discovery-server-branch: 'v1.2.2'
-      run-build: true
-      run-tests: true
-      use-ccache: false
diff --git a/.github/workflows/ubuntu-ci.yml b/.github/workflows/ubuntu-ci.yml
index 3c25fcea..1a2d1649 100644
--- a/.github/workflows/ubuntu-ci.yml
+++ b/.github/workflows/ubuntu-ci.yml
@@ -11,22 +11,22 @@ on:
         description: 'Branch or tag of Fast DDS repository'
         required: false
         type: string
-        default: 'master'
+        default: '3.4.x'
       fastcdr-branch:
         description: 'Branch or tag of Fast CDR repository'
         required: false
         type: string
-        default: 'master'
+        default: '2.3.x'
       fastdds-python-branch:
         description: 'Branch or tag of Fast DDS Python repository'
         required: false
         type: string
-        default: 'main'
+        default: '2.4.x'
       discovery-server-branch:
         description: 'Branch or tag of Discovery Server repository'
         required: false
         type: string
-        default: 'master'
+        default: '2.2.x'
       run-tests:
         description: 'Run test suite of Fast DDS Gen'
         required: false
@@ -57,7 +57,7 @@ jobs:
       matrix:
         java-version:
           - 'openjdk-11-jdk'
-          - 'openjdk-19-jdk'
+          - 'openjdk-17-jdk'
 
     if: ${{ !(github.event_name == 'pull_request') || !contains(github.event.pull_request.labels.*.name, 'conflicts') }}
     uses: ./.github/workflows/reusable-ubuntu-ci.yml
@@ -68,10 +68,10 @@ jobs:
       java-version: ${{ matrix.java-version }}
       label: 'ubuntu-ci-${{ matrix.java-version }}'
       fastddsgen-branch: ${{ inputs.fastddsgen-branch || github.ref }}
-      fastdds-branch: ${{ inputs.fastdds-branch || 'master' }}
-      fastcdr-branch: ${{ inputs.fastcdr-branch || 'master' }}
-      fastdds-python-branch: ${{ inputs.fastdds-python-branch || 'main' }}
-      discovery-server-branch: ${{ inputs.discovery-server-branch || 'master' }}
+      fastdds-branch: ${{ inputs.fastdds-branch || '3.4.x' }}
+      fastcdr-branch: ${{ inputs.fastcdr-branch || '2.3.x' }}
+      fastdds-python-branch: ${{ inputs.fastdds-python-branch || '2.4.x' }}
+      discovery-server-branch: ${{ inputs.discovery-server-branch || '2.2.x' }}
       run-build: ${{ !(github.event_name == 'pull_request') || !contains(github.event.pull_request.labels.*.name, 'skip-ci') }}
       run-tests: ${{ (inputs.run-tests == true) || ((github.event_name == 'pull_request') && (!contains(github.event.pull_request.labels.*.name, 'no-test'))) }}
       use-ccache: ${{ (inputs.use-ccache == true) || false }}
diff --git a/.github/workflows/weekly-ubuntu-ci.yml b/.github/workflows/weekly-ubuntu-ci.yml
deleted file mode 100644
index 4e657459..00000000
--- a/.github/workflows/weekly-ubuntu-ci.yml
+++ /dev/null
@@ -1,22 +0,0 @@
-name: Fast DDS Gen Ubuntu CI (weekly)
-
-on:
-  workflow_dispatch:
-  schedule:
-    - cron: '0 0 * * 1' # Run at minute 0 on Monday
-
-jobs:
-  weekly-ubuntu-ci-2_1_x:
-    uses: eProsima/Fast-DDS-Gen/.github/workflows/reusable-ubuntu-ci.yml@2.1.x
-    with:
-      os-version: 'ubuntu-20.04'
-      java-version: 'openjdk-11-jdk'
-      label: 'weekly-ubuntu-ci-2.1.x'
-      fastddsgen-branch: '2.1.x'
-      fastdds-branch: '2.6.x'
-      fastcdr-branch: '1.0.x'
-      fastdds-python-branch: '1.0.x'
-      discovery-server-branch: 'v1.2.1'
-      run-build: true
-      run-tests: true
-      use-ccache: false