diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index a7521a6..3ab9c6d 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -28,11 +28,9 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        arch:
-          - amd64
-          - arm
-        os:
+        platform:
           - ubuntu-24.04
+          - ubuntu-24.04-arm
         python:
           - "3.11"
           - "3.12"
@@ -41,7 +39,7 @@ jobs:
           # that uses the same venv to run multiple linting sessions
           - "ci_checks_max"
           - "pytest_min"
-    runs-on: ${{ matrix.os }}${{ matrix.arch != 'amd64' && format('-{0}', matrix.arch) || '' }}
+    runs-on: ${{ matrix.platform }}
 
     steps:
       - name: Run nox
@@ -60,7 +58,7 @@ jobs:
     needs: ["nox"]
     # We skip this job only if nox was also skipped
     if: always() && needs.nox.result != 'skipped'
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-slim
     env:
       DEPS_RESULT: ${{ needs.nox.result }}
     steps:
@@ -105,15 +103,13 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        arch:
-          - amd64
-          - arm
-        os:
+        platform:
           - ubuntu-24.04
+          - ubuntu-24.04-arm
         python:
           - "3.11"
           - "3.12"
-    runs-on: ${{ matrix.os }}${{ matrix.arch != 'amd64' && format('-{0}', matrix.arch) || '' }}
+    runs-on: ${{ matrix.platform }}
 
     steps:
       - name: Setup Git
@@ -161,7 +157,7 @@ jobs:
     needs: ["test-installation"]
     # We skip this job only if test-installation was also skipped
     if: always() && needs.test-installation.result != 'skipped'
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-slim
     env:
       DEPS_RESULT: ${{ needs.test-installation.result }}
     steps:
@@ -276,7 +272,7 @@ jobs:
       # discussions to create the release announcement in the discussion forums
       contents: write
       discussions: write
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-slim
     steps:
       - name: Download distribution files
         uses: actions/download-artifact@v8
diff --git a/.github/workflows/dco-merge-queue.yml b/.github/workflows/dco-merge-queue.yml
index fb1cd90..d9597ad 100644
--- a/.github/workflows/dco-merge-queue.yml
+++ b/.github/workflows/dco-merge-queue.yml
@@ -5,7 +5,7 @@ on:
 
 jobs:
   DCO:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     if: ${{ github.actor != 'dependabot[bot]' }}
     steps:
       - run: echo "This DCO job runs on merge_queue event and doesn't check PR contents"
diff --git a/.github/workflows/labeler.yml b/.github/workflows/labeler.yml
index 8d02c13..c327e7f 100644
--- a/.github/workflows/labeler.yml
+++ b/.github/workflows/labeler.yml
@@ -7,7 +7,7 @@ jobs:
     permissions:
       contents: read
       pull-requests: write
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     steps:
       - name: Labeler
         # XXX: !!! SECURITY WARNING !!!
diff --git a/.github/workflows/release-notes-check.yml b/.github/workflows/release-notes-check.yml
index 0b758cd..ab3017f 100644
--- a/.github/workflows/release-notes-check.yml
+++ b/.github/workflows/release-notes-check.yml
@@ -16,7 +16,7 @@ on:
 jobs:
   check-release-notes:
     name: Check release notes are updated
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     steps:
       - name: Check for a release notes update
         if: github.event_name == 'pull_request'
diff --git a/.github/workflows/repo-config-migration.yaml b/.github/workflows/repo-config-migration.yaml
index 1744bc0..57a54c3 100644
--- a/.github/workflows/repo-config-migration.yaml
+++ b/.github/workflows/repo-config-migration.yaml
@@ -1,4 +1,4 @@
-# Automatically repo-config migrations for Dependabot PRs
+# Automatic repo-config migrations for Dependabot PRs
 #
 # The companion auto-dependabot workflow skips repo-config group PRs so
 # they're handled exclusively by the migration workflow.
@@ -19,6 +19,7 @@
 name: Repo Config Migration
 
 on:
+  merge_group:  # To allow using this as a required check for merging
   pull_request_target:
     types: [opened, synchronize, reopened, labeled, unlabeled]
 
@@ -30,7 +31,13 @@ permissions:
 jobs:
   repo-config-migration:
     name: Migrate Repo Config
-    if: contains(github.event.pull_request.title, 'the repo-config group')
+    # Skip if it was triggered by the merge queue. We only need the workflow to
+    # be executed to meet the "Required check" condition for merging, but we
+    # don't need to actually run the job, having the job present as Skipped is
+    # enough.
+    if: |
+      github.event_name == 'pull_request_target' &&
+      contains(github.event.pull_request.title, 'the repo-config group')
     runs-on: ubuntu-24.04
     steps:
       - name: Generate token
@@ -40,13 +47,12 @@ jobs:
           app-id: ${{ secrets.FREQUENZ_AUTO_DEPENDABOT_APP_ID }}
           private-key: ${{ secrets.FREQUENZ_AUTO_DEPENDABOT_APP_PRIVATE_KEY }}
       - name: Migrate
-        uses: frequenz-floss/gh-action-dependabot-migrate@init
+        uses: frequenz-floss/gh-action-dependabot-migrate@07dc7e74726498c50726a80cc2167a04d896508f # v1.0.0
         with:
           script-url-template: >-
             https://raw.githubusercontent.com/frequenz-floss/frequenz-repo-config-python/{version}/cookiecutter/migrate.py
           token: ${{ steps.create-app-token.outputs.token }}
           migration-token: ${{ secrets.REPO_CONFIG_MIGRATION_TOKEN }}
-          auto-merge-on-changes: "true"
           sign-commits: "true"
           auto-merged-label: "tool:auto-merged"
           migrated-label: "tool:repo-config:migration:executed"
diff --git a/pyproject.toml b/pyproject.toml
index 4ae629a..2718aac 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@
 requires = [
   "setuptools == 82.0.0",
   "setuptools_scm[toml] == 9.2.2",
-  "frequenz-repo-config[lib] == 0.14.0",
+  "frequenz-repo-config[lib] == 0.16.0",
 ]
 build-backend = "setuptools.build_meta"
 
@@ -13,7 +13,8 @@ build-backend = "setuptools.build_meta"
 name = "frequenz-client-microgrid"
 description = "Microgrid API client for Python"
 readme = "README.md"
-license = { text = "MIT" }
+license = "MIT"
+license-files = ["LICENSE"]
 keywords = [
   "api",
   "client",
@@ -27,7 +28,6 @@ keywords = [
 classifiers = [
   "Development Status :: 3 - Alpha",
   "Intended Audience :: Developers",
-  "License :: OSI Approved :: MIT License",
   "Programming Language :: Python :: 3",
   "Programming Language :: Python :: 3 :: Only",
   "Topic :: Internet",
@@ -55,6 +55,7 @@ email = "floss@frequenz.com"
 [project.optional-dependencies]
 dev-flake8 = [
   "flake8 == 7.3.0",
+  "flake8-datetimez == 20.10.0",
   "flake8-docstrings == 1.7.0",
   "flake8-pyproject == 1.2.4", # For reading the flake8 config from pyproject.toml
   "pydoclint == 0.8.3",
@@ -71,7 +72,7 @@ dev-mkdocs = [
   "mkdocs-material == 9.7.3",
   "mkdocstrings[python] == 1.0.3",
   "mkdocstrings-python == 2.0.3",
-  "frequenz-repo-config[lib] == 0.14.0",
+  "frequenz-repo-config[lib] == 0.16.0",
 ]
 dev-mypy = [
   "mypy == 1.19.1",
@@ -81,7 +82,7 @@ dev-mypy = [
   # For checking the noxfile, docs/ script, and tests
   "frequenz-client-microgrid[dev-mkdocs,dev-noxfile,dev-pytest]",
 ]
-dev-noxfile = ["nox == 2026.2.9", "frequenz-repo-config[lib] == 0.14.0"]
+dev-noxfile = ["nox == 2026.2.9", "frequenz-repo-config[lib] == 0.16.0"]
 dev-pylint = [
   "pylint == 4.0.5",
   # For checking the noxfile, docs/ script, and tests
@@ -89,7 +90,7 @@ dev-pylint = [
 ]
 dev-pytest = [
   "pytest == 9.0.2",
-  "frequenz-repo-config[extra-lint-examples] == 0.14.0",
+  "frequenz-repo-config[extra-lint-examples] == 0.16.0",
   "pytest-mock == 3.15.1",
   "pytest-asyncio == 1.3.0",
   "async-solipsism == 0.9",