diff --git a/.github/workflows/_local_ci_tests.yml b/.github/workflows/_local_ci_tests.yml
index 1781eee6..393540ff 100644
--- a/.github/workflows/_local_ci_tests.yml
+++ b/.github/workflows/_local_ci_tests.yml
@@ -43,10 +43,10 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v4
 
-    - name: Set up Python ${{ matrix.python-version}}
+    - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5
       with:
-        python-version: ${{ matrix.python-version}}
+        python-version: ${{ matrix.python-version }}
         allow-prereleases: true
 
     - name: Install Python dependencies
@@ -81,10 +81,10 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v4
 
-    - name: Set up Python ${{ matrix.python-version}}
+    - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5
       with:
-        python-version: ${{ matrix.python-version}}
+        python-version: ${{ matrix.python-version }}
 
     - name: Install Python dependencies
       run: |
diff --git a/.github/workflows/cd_release.yml b/.github/workflows/cd_release.yml
index 674570dc..2fe43dab 100644
--- a/.github/workflows/cd_release.yml
+++ b/.github/workflows/cd_release.yml
@@ -160,8 +160,8 @@ jobs:
     steps:
     - name: Validate inputs
       run: |
-        if [[ ! "${{ inputs.python_version_build}}" =~ ^3\.([7-9]|1[0-3])(\..*)?$ ]]; then
-          echo "Python version '${{ inputs.python_version_build}}' is not supported."
+        if [[ ! "${{ inputs.python_version_build }}" =~ ^3\.([7-9]|1[0-3])(\..*)?$ ]]; then
+          echo "Python version '${{ inputs.python_version_build }}' is not supported."
           echo "Supported versions are: 3.7, 3.8, 3.9, 3.10, 3.11, 3.12, 3.13."
           exit 1
         fi
@@ -197,11 +197,13 @@ jobs:
         else
           echo 'CHANGELOG_EXCLUDE_TAGS_REGEX=' >> $GITHUB_ENV
         fi
-        if [ -n "${{ inputs.changelog_exclude_labels}}" ]; then
+
+        if [ -n "${{ inputs.changelog_exclude_labels }}" ]; then
           echo 'CHANGELOG_EXCLUDE_LABELS=--exclude-labels "${{ inputs.changelog_exclude_labels }}"' >> $GITHUB_ENV
         else
           echo 'CHANGELOG_EXCLUDE_LABELS=' >> $GITHUB_ENV
         fi
+
         PROJECT=$(echo $GITHUB_REPOSITORY | cut -d/ -f2- )
         echo "CHANGELOG_PROJECT=--project ${PROJECT}" >> $GITHUB_ENV
 
@@ -288,15 +290,22 @@ jobs:
     - name: Get tagged versions
       run: |
         if [ -n "${{ inputs.changelog_exclude_tags_regex }}" ]; then
-          echo "PREVIOUS_VERSION=$(git tag -l --sort -version:refname | grep -v -E "${{ inputs.changelog_exclude_tags_regex }}" | sed -n 2p)" >> $GITHUB_ENV
+          PREVIOUS_VERSION="$(git tag -l --sort -version:refname | grep -v -E "${{ inputs.changelog_exclude_tags_regex }}" | sed -n 2p)"
+        else
+          PREVIOUS_VERSION="$(git tag -l --sort -version:refname | sed -n 2p)"
+        fi
+
+        if [ -n "${PREVIOUS_VERSION}" ]; then
+          SINCE_PREVIOUS_VERSION=--since-tag "${PREVIOUS_VERSION}"
         else
-          echo "PREVIOUS_VERSION=$(git tag -l --sort -version:refname | sed -n 2p)" >> $GITHUB_ENV
+          SINCE_PREVIOUS_VERSION=
         fi
+        echo "SINCE_PREVIOUS_VERSION=${SINCE_PREVIOUS_VERSION}" >> $GITHUB_ENV
 
     - name: Create release-specific changelog
       uses: docker://githubchangeloggenerator/github-changelog-generator:1.16.2
       with:
-        args: --user "${{ github.repository_owner }}" ${{ env.CHANGELOG_PROJECT }} --token "${{ secrets.PAT || secrets.GITHUB_TOKEN }}" --release-branch "${{ inputs.release_branch }}" --since-tag "${{ env.PREVIOUS_VERSION }}" --output release_changelog.md --usernames-as-github-logins ${{ env.CHANGELOG_EXCLUDE_TAGS_REGEX }} ${{ env.CHANGELOG_EXCLUDE_LABELS }}
+        args: --user "${{ github.repository_owner }}" ${{ env.CHANGELOG_PROJECT }} --token "${{ secrets.PAT || secrets.GITHUB_TOKEN }}" --release-branch "${{ inputs.release_branch }}" ${{ env.SINCE_PREVIOUS_VERSION }} --output release_changelog.md --usernames-as-github-logins ${{ env.CHANGELOG_EXCLUDE_TAGS_REGEX }} ${{ env.CHANGELOG_EXCLUDE_LABELS }}
 
     - name: Append changelog to release body
       run: |
@@ -334,8 +343,8 @@ jobs:
     - name: Check input
       run: |
         valid_frameworks=("mkdocs sphinx")
-        if [[ ! " ${valid_frameworks[*]} " =~ " ${{ inputs.docs_framework}} " ]]; then
-            echo "The input '${{ inputs.docs_framework}}' is not supported."
+        if [[ ! " ${valid_frameworks[*]} " =~ " ${{ inputs.docs_framework }} " ]]; then
+            echo "The input '${{ inputs.docs_framework }}' is not supported."
             echo "Valid inputs are: ${valid_frameworks[*]}"
             exit 1
         fi
diff --git a/.github/workflows/ci_cd_updated_default_branch.yml b/.github/workflows/ci_cd_updated_default_branch.yml
index 47341116..d4711aa5 100644
--- a/.github/workflows/ci_cd_updated_default_branch.yml
+++ b/.github/workflows/ci_cd_updated_default_branch.yml
@@ -171,7 +171,7 @@ jobs:
     steps:
     - name: Release check
       run: |
-        COMMIT_MSG="$(gh api /repos/${{ github.repository}}/commits/${{ inputs.default_repo_branch }} --jq '.commit.message')"
+        COMMIT_MSG="$(gh api /repos/${{ github.repository }}/commits/${{ inputs.default_repo_branch }} --jq '.commit.message')"
         if [[ "${COMMIT_MSG}" =~ ^Release\ v.*$ ]] || [ "${COMMIT_MSG}" == "[bot] Update documentation" ]; then
           echo "In a release or just ran this job - do not run this job !"
           echo "RELEASE_RUN=true" >> $GITHUB_ENV
@@ -186,14 +186,14 @@ jobs:
       if: env.RELEASE_RUN == 'false'
       run: |
         valid_frameworks=("mkdocs sphinx")
-        if [[ ! " ${valid_frameworks[*]} " =~ " ${{ inputs.docs_framework}} " ]]; then
-            echo "The input '${{ inputs.docs_framework}}' is not supported."
+        if [[ ! " ${valid_frameworks[*]} " =~ " ${{ inputs.docs_framework }} " ]]; then
+            echo "The input '${{ inputs.docs_framework }}' is not supported."
             echo "Valid inputs are: ${valid_frameworks[*]}"
             exit 1
         fi
 
-        if [[ ! "${{ inputs.python_version}}" =~ ^3\.([7-9]|1[0-3])(\..*)?$ ]]; then
-          echo "Python version '${{ inputs.python_version}}' is not supported."
+        if [[ ! "${{ inputs.python_version }}" =~ ^3\.([7-9]|1[0-3])(\..*)?$ ]]; then
+          echo "Python version '${{ inputs.python_version }}' is not supported."
           echo "Supported versions are: 3.7, 3.8, 3.9, 3.10, 3.11, 3.12, 3.13."
           exit 1
         fi
@@ -372,7 +372,7 @@ jobs:
         else
           echo 'CHANGELOG_EXCLUDE_TAGS_REGEX=' >> $GITHUB_ENV
         fi
-        if [ -n "${{ inputs.changelog_exclude_labels}}" ]; then
+        if [ -n "${{ inputs.changelog_exclude_labels }}" ]; then
           echo 'CHANGELOG_EXCLUDE_LABELS=--exclude-labels "${{ inputs.changelog_exclude_labels }}"' >> $GITHUB_ENV
         else
           echo 'CHANGELOG_EXCLUDE_LABELS=' >> $GITHUB_ENV
@@ -476,7 +476,7 @@ jobs:
       run: |
         git fetch origin
 
-        LATEST_PR_BODY="$(gh api /repos/${{ github.repository}}/pulls -X GET -f state=closed -f per_page=1 -f sort=updated -f direction=desc --jq '.[].body')"
+        LATEST_PR_BODY="$(gh api /repos/${{ github.repository }}/pulls -X GET -f state=closed -f per_page=1 -f sort=updated -f direction=desc --jq '.[].body')"
         cat ${PR_BODY_FILE} | head -8 > .tmp_file.txt
         if [ -z "$(printf '%s\n' "${LATEST_PR_BODY}" | head -8 | diff - .tmp_file.txt --strip-trailing-cr)" ]; then
           echo "The dependencies have just been updated! Reset to ${{ inputs.default_repo_branch }}."
diff --git a/.github/workflows/ci_check_pyproject_dependencies.yml b/.github/workflows/ci_check_pyproject_dependencies.yml
index 4b146b83..d5232b4f 100644
--- a/.github/workflows/ci_check_pyproject_dependencies.yml
+++ b/.github/workflows/ci_check_pyproject_dependencies.yml
@@ -79,8 +79,8 @@ jobs:
     steps:
     - name: Validate inputs
       run: |
-        if [[ ! "${{ inputs.python_version}}" =~ ^3\.([7-9]|1[0-3])(\..*)?$ ]]; then
-          echo "Python version '${{ inputs.python_version}}' is not supported."
+        if [[ ! "${{ inputs.python_version }}" =~ ^3\.([7-9]|1[0-3])(\..*)?$ ]]; then
+          echo "Python version '${{ inputs.python_version }}' is not supported."
           echo "Supported versions are: 3.7, 3.8, 3.9, 3.10, 3.11, 3.12, 3.13."
           exit 1
         fi
@@ -233,7 +233,7 @@ jobs:
         token: ${{ secrets.PAT || secrets.GITHUB_TOKEN }}
         committer: "${{ inputs.git_username }} <${{ inputs.git_email }}>"
         author: "${{ inputs.git_username }} <${{ inputs.git_email }}>"
-        branch: ci/update-pyproject${{ inputs.branch_name_extension && format('/{0}', inputs.branch_name_extension) || ''}}
+        branch: ci/update-pyproject${{ inputs.branch_name_extension && format('/{0}', inputs.branch_name_extension) || '' }}
         delete-branch: true
         title: "[Auto-generated] Check & update dependencies (`pyproject.toml`)"
         body: ${{ steps.pr_body.outputs.result }}
diff --git a/.github/workflows/ci_tests.yml b/.github/workflows/ci_tests.yml
index 360c5efa..4f6e3711 100644
--- a/.github/workflows/ci_tests.yml
+++ b/.github/workflows/ci_tests.yml
@@ -350,8 +350,8 @@ jobs:
 
     - name: Validate inputs
       run: |
-        if [[ "${framework}" == "mkdocs" && ! "${{ inputs.python_version_docs}}" =~ ^3\.([7-9]|1[0-3])(\..*)?$ ]]; then
-          echo "Python version '${{ inputs.python_version_docs}}' is not supported."
+        if [[ "${framework}" == "mkdocs" && ! "${{ inputs.python_version_docs }}" =~ ^3\.([7-9]|1[0-3])(\..*)?$ ]]; then
+          echo "Python version '${{ inputs.python_version_docs }}' is not supported."
           echo "Supported versions are: 3.7, 3.8, 3.9, 3.10, 3.11, 3.12, 3.13."
           exit 1
         fi