diff --git a/.github/workflows/assign-milestone.yml b/.github/workflows/assign-milestone.yml
index 8e97749344..79f427afb4 100644
--- a/.github/workflows/assign-milestone.yml
+++ b/.github/workflows/assign-milestone.yml
@@ -13,7 +13,7 @@ jobs:
       issues: write
 
     name: Assign Latest Milestone
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     steps:
       - uses: actions/github-script@v8
         name: Run script
diff --git a/.github/workflows/backport-prs.yml b/.github/workflows/backport-prs.yml
index 8f0844693e..f00a3e280e 100644
--- a/.github/workflows/backport-prs.yml
+++ b/.github/workflows/backport-prs.yml
@@ -10,7 +10,7 @@ jobs:
   Backport:
     environment:
       name: PR Backport
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     if: github.event.pull_request.merged && contains( github.event.pull_request.labels.*.name, 'backport' )
     permissions:
       pull-requests: write
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index aace10bc06..7e0c8f0f8d 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -63,7 +63,7 @@ jobs:
     needs: Docs
     environment:
       name: github-pages
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     env:
       DOC_VERSION: dev
     permissions:
@@ -101,7 +101,7 @@ jobs:
     name: "Manage doc versions"
     environment:
       name: github-pages
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     permissions:
       contents: write
 
diff --git a/.github/workflows/linting.yml b/.github/workflows/linting.yml
index c8f2cb062a..c720792fcb 100644
--- a/.github/workflows/linting.yml
+++ b/.github/workflows/linting.yml
@@ -12,7 +12,7 @@ concurrency:
 jobs:
   lint:
     name: Run Lint Tools
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     steps:
       - uses: actions/checkout@v6
         with:
diff --git a/.github/workflows/nightly-builds.yml b/.github/workflows/nightly-builds.yml
index 854a6ef7fb..ea5b5c8214 100644
--- a/.github/workflows/nightly-builds.yml
+++ b/.github/workflows/nightly-builds.yml
@@ -28,7 +28,7 @@ jobs:
     name: Report
     needs: Builds
     if: failure() || github.event_name == 'pull_request'
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     permissions:
       issues: write
 
diff --git a/.github/workflows/tests-conda.yml b/.github/workflows/tests-conda.yml
index 99b89ad6d9..b3f9921b21 100644
--- a/.github/workflows/tests-conda.yml
+++ b/.github/workflows/tests-conda.yml
@@ -60,7 +60,7 @@ jobs:
   codecov:
     name: CodeCov Upload
     needs: CondaTests
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     environment:
       name: CodeCov
     timeout-minutes: 2
diff --git a/.github/workflows/tests-pypi.yml b/.github/workflows/tests-pypi.yml
index d6501aba7b..7a56a65bf5 100644
--- a/.github/workflows/tests-pypi.yml
+++ b/.github/workflows/tests-pypi.yml
@@ -86,7 +86,7 @@ jobs:
   codecov:
     needs: PyPITests
     name: CodeCov Upload
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     environment:
       name: CodeCov
     timeout-minutes: 2
diff --git a/pyproject.toml b/pyproject.toml
index 5b4ab2ee26..dda7038791 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -122,7 +122,10 @@ filterwarnings = [
     # Pandas >=2.2 warns about PyArrow being a future dependency
     'ignore:\nPyarrow will become a required dependency of pandas:DeprecationWarning',
     # Not yet fixed in xarray
-    "ignore:__array__ implementation doesn't accept a copy keyword:DeprecationWarning"
+    "ignore:__array__ implementation doesn't accept a copy keyword:DeprecationWarning",
+    # Needs matplotlib >=3.10.7 for fixes
+    "ignore:'\\S+' deprecated - use '\\S+':DeprecationWarning:matplotlib._fontconfig_pattern",
+    "ignore:'\\S+' deprecated - use '\\S+':DeprecationWarning:matplotlib._mathtext"
 ]
 
 [tool.ruff]