diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index c41b6d38..9f9d7b47 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -78,7 +78,8 @@ jobs:
           }}
         uses: codecov/codecov-action@v3
         with:
-          fail_ci_if_error: true
+          token: ${{ secrets.CODECOV_TOKEN }}
+          fail_ci_if_error: false
           files: ./cobertura-coverage.xml
           flags: js_tests
           name: ubuntu-latest-node-16
@@ -163,7 +164,8 @@ jobs:
           }}
         uses: codecov/codecov-action@v3
         with:
-          fail_ci_if_error: true
+          token: ${{ secrets.CODECOV_TOKEN }}
+          fail_ci_if_error: false
           files: ./coverage.xml
           flags: py_unit_tests
           name: ${{ matrix.os }}-python-${{ matrix.python-version }}
@@ -236,7 +238,8 @@ jobs:
           }}
         uses: codecov/codecov-action@v3
         with:
-          fail_ci_if_error: true
+          token: ${{ secrets.CODECOV_TOKEN }}
+          fail_ci_if_error: false
           files: ./coverage.xml
           flags: py_integration_tests
           name: ubuntu-latest-${{ matrix.python-version }}
diff --git a/pyproject.toml b/pyproject.toml
index 18b99087..3e45bf4f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -70,6 +70,7 @@ Source = "https://github.com/pytest-dev/pytest-html"
 
 [project.entry-points.pytest11]
 html = "pytest_html.plugin"
+html_fixtures = "pytest_html.fixtures"
 
 [tool.hatch.envs.test]
 features = [
diff --git a/src/pytest_html/basereport.py b/src/pytest_html/basereport.py
index 89817d1b..8caa66bb 100644
--- a/src/pytest_html/basereport.py
+++ b/src/pytest_html/basereport.py
@@ -1,3 +1,6 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
 import datetime
 import json
 import os
diff --git a/src/pytest_html/fixtures.py b/src/pytest_html/fixtures.py
new file mode 100644
index 00000000..88ce828d
--- /dev/null
+++ b/src/pytest_html/fixtures.py
@@ -0,0 +1,47 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+import warnings
+
+import pytest
+
+extras_stash_key = pytest.StashKey[list]()
+
+
+@pytest.fixture
+def extra(pytestconfig):
+    """DEPRECATED: Add details to the HTML reports.
+
+    .. code-block:: python
+
+        import pytest_html
+
+
+        def test_foo(extra):
+            extra.append(pytest_html.extras.url("https://www.example.com/"))
+    """
+    warnings.warn(
+        "The 'extra' fixture is deprecated and will be removed in a future release"
+        ", use 'extras' instead.",
+        DeprecationWarning,
+    )
+    pytestconfig.stash[extras_stash_key] = []
+    yield pytestconfig.stash[extras_stash_key]
+    del pytestconfig.stash[extras_stash_key][:]
+
+
+@pytest.fixture
+def extras(pytestconfig):
+    """Add details to the HTML reports.
+
+    .. code-block:: python
+
+        import pytest_html
+
+
+        def test_foo(extras):
+            extras.append(pytest_html.extras.url("https://www.example.com/"))
+    """
+    pytestconfig.stash[extras_stash_key] = []
+    yield pytestconfig.stash[extras_stash_key]
+    del pytestconfig.stash[extras_stash_key][:]
diff --git a/src/pytest_html/plugin.py b/src/pytest_html/plugin.py
index fd43055b..6683c54a 100644
--- a/src/pytest_html/plugin.py
+++ b/src/pytest_html/plugin.py
@@ -6,14 +6,15 @@
 
 import pytest
 
-from pytest_html.basereport import BaseReport as HTMLReport  # noqa: F401
+from pytest_html import extras  # noqa: F401
+from pytest_html.fixtures import extras_stash_key
 from pytest_html.report import Report
 from pytest_html.report_data import ReportData
 from pytest_html.selfcontained_report import SelfContainedReport
 
 
 def pytest_addhooks(pluginmanager):
-    from . import hooks
+    from pytest_html import hooks
 
     pluginmanager.add_hookspecs(hooks)
 
@@ -108,45 +109,6 @@ def pytest_runtest_makereport(item, call):
                 ", use 'report.extras' instead.",
                 DeprecationWarning,
             )
-        fixture_extras = getattr(item.config, "extras", [])
+        fixture_extras = item.config.stash.get(extras_stash_key, [])
         plugin_extras = getattr(report, "extras", [])
         report.extras = fixture_extras + plugin_extras + deprecated_extra
-
-
-@pytest.fixture
-def extra(pytestconfig):
-    """Add details to the HTML reports.
-
-    .. code-block:: python
-
-        import pytest_html
-
-
-        def test_foo(extra):
-            extra.append(pytest_html.extras.url("https://www.example.com/"))
-    """
-    warnings.warn(
-        "The 'extra' fixture is deprecated and will be removed in a future release"
-        ", use 'extras' instead.",
-        DeprecationWarning,
-    )
-    pytestconfig.extras = []
-    yield pytestconfig.extras
-    del pytestconfig.extras[:]
-
-
-@pytest.fixture
-def extras(pytestconfig):
-    """Add details to the HTML reports.
-
-    .. code-block:: python
-
-        import pytest_html
-
-
-        def test_foo(extras):
-            extras.append(pytest_html.extras.url("https://www.example.com/"))
-    """
-    pytestconfig.extras = []
-    yield pytestconfig.extras
-    del pytestconfig.extras[:]
diff --git a/src/pytest_html/report.py b/src/pytest_html/report.py
index ed1cd9ed..0ef36f6c 100644
--- a/src/pytest_html/report.py
+++ b/src/pytest_html/report.py
@@ -4,6 +4,10 @@
 
 from pytest_html.basereport import BaseReport
 
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
 
 class Report(BaseReport):
     def __init__(self, report_path, config, report_data):
diff --git a/src/pytest_html/report_data.py b/src/pytest_html/report_data.py
index 1a966ed5..a9889c12 100644
--- a/src/pytest_html/report_data.py
+++ b/src/pytest_html/report_data.py
@@ -1,3 +1,6 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
 import warnings
 from collections import defaultdict
 
diff --git a/src/pytest_html/selfcontained_report.py b/src/pytest_html/selfcontained_report.py
index c5fd1e6b..dc48d59f 100644
--- a/src/pytest_html/selfcontained_report.py
+++ b/src/pytest_html/selfcontained_report.py
@@ -1,3 +1,6 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
 import base64
 import binascii
 import warnings
diff --git a/src/pytest_html/table.py b/src/pytest_html/table.py
index 7fc6e3a0..54aafa9e 100644
--- a/src/pytest_html/table.py
+++ b/src/pytest_html/table.py
@@ -1,3 +1,6 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
 import re
 import warnings
 
diff --git a/src/pytest_html/util.py b/src/pytest_html/util.py
index 3d1dea0e..a40bdd30 100644
--- a/src/pytest_html/util.py
+++ b/src/pytest_html/util.py
@@ -1,3 +1,6 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
 import json
 from functools import partial
 from typing import Any