diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 573c49fb01..d95353c652 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -17,13 +17,15 @@ on:
       - master
       - sentry-sdk-2.0
   pull_request:
-    # The branches below must be a subset of the branches above
-    branches:
-      - master
-      - sentry-sdk-2.0
   schedule:
     - cron: '18 18 * * 3'
 
+# Cancel in progress workflows on pull_requests.
+# https://docs.github.com/en/actions/using-jobs/using-concurrency#example-using-a-fallback-value
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 permissions:
   contents: read
 
diff --git a/.github/workflows/enforce-license-compliance.yml b/.github/workflows/enforce-license-compliance.yml
index 01e02ccb8b..ef79ed112b 100644
--- a/.github/workflows/enforce-license-compliance.yml
+++ b/.github/workflows/enforce-license-compliance.yml
@@ -8,10 +8,11 @@ on:
       - release/*
       - sentry-sdk-2.0
   pull_request:
-    branches:
-      - master
-      - main
-      - sentry-sdk-2.0
+
+# Cancel in progress workflows on pull_requests.
+# https://docs.github.com/en/actions/using-jobs/using-concurrency#example-using-a-fallback-value
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
 
 jobs:
   enforce-license-compliance:
diff --git a/.github/workflows/test-integrations-ai.yml b/.github/workflows/test-integrations-ai.yml
index 723f9c8412..24ccc77a87 100644
--- a/.github/workflows/test-integrations-ai.yml
+++ b/.github/workflows/test-integrations-ai.yml
@@ -165,7 +165,7 @@ jobs:
           files: .junitxml
           verbose: true
   check_required_tests:
-    name: All AI tests passed
+    name: All pinned AI tests passed
     needs: test-ai-pinned
     # Always run this, even if a dependent job failed
     if: always()
diff --git a/.github/workflows/test-integrations-aws-lambda.yml b/.github/workflows/test-integrations-aws-lambda.yml
index 38c838ab33..6f5ea794b8 100644
--- a/.github/workflows/test-integrations-aws-lambda.yml
+++ b/.github/workflows/test-integrations-aws-lambda.yml
@@ -112,7 +112,7 @@ jobs:
           files: .junitxml
           verbose: true
   check_required_tests:
-    name: All AWS Lambda tests passed
+    name: All pinned AWS Lambda tests passed
     needs: test-aws_lambda-pinned
     # Always run this, even if a dependent job failed
     if: always()
diff --git a/.github/workflows/test-integrations-cloud-computing.yml b/.github/workflows/test-integrations-cloud-computing.yml
index a3b7fc57ab..1f6913ea4a 100644
--- a/.github/workflows/test-integrations-cloud-computing.yml
+++ b/.github/workflows/test-integrations-cloud-computing.yml
@@ -157,7 +157,7 @@ jobs:
           files: .junitxml
           verbose: true
   check_required_tests:
-    name: All Cloud Computing tests passed
+    name: All pinned Cloud Computing tests passed
     needs: test-cloud_computing-pinned
     # Always run this, even if a dependent job failed
     if: always()
diff --git a/.github/workflows/test-integrations-common.yml b/.github/workflows/test-integrations-common.yml
index 8116b1b67c..ecffdb6f3e 100644
--- a/.github/workflows/test-integrations-common.yml
+++ b/.github/workflows/test-integrations-common.yml
@@ -77,7 +77,7 @@ jobs:
           files: .junitxml
           verbose: true
   check_required_tests:
-    name: All Common tests passed
+    name: All pinned Common tests passed
     needs: test-common-pinned
     # Always run this, even if a dependent job failed
     if: always()
diff --git a/.github/workflows/test-integrations-data-processing.yml b/.github/workflows/test-integrations-data-processing.yml
index acabcd1748..49d18fc24c 100644
--- a/.github/workflows/test-integrations-data-processing.yml
+++ b/.github/workflows/test-integrations-data-processing.yml
@@ -193,7 +193,7 @@ jobs:
           files: .junitxml
           verbose: true
   check_required_tests:
-    name: All Data Processing tests passed
+    name: All pinned Data Processing tests passed
     needs: test-data_processing-pinned
     # Always run this, even if a dependent job failed
     if: always()
diff --git a/.github/workflows/test-integrations-databases.yml b/.github/workflows/test-integrations-databases.yml
index 741e8fc43e..49d3e923ee 100644
--- a/.github/workflows/test-integrations-databases.yml
+++ b/.github/workflows/test-integrations-databases.yml
@@ -211,7 +211,7 @@ jobs:
           files: .junitxml
           verbose: true
   check_required_tests:
-    name: All Databases tests passed
+    name: All pinned Databases tests passed
     needs: test-databases-pinned
     # Always run this, even if a dependent job failed
     if: always()
diff --git a/.github/workflows/test-integrations-graphql.yml b/.github/workflows/test-integrations-graphql.yml
index ba4091215e..2cefb5d191 100644
--- a/.github/workflows/test-integrations-graphql.yml
+++ b/.github/workflows/test-integrations-graphql.yml
@@ -157,7 +157,7 @@ jobs:
           files: .junitxml
           verbose: true
   check_required_tests:
-    name: All GraphQL tests passed
+    name: All pinned GraphQL tests passed
     needs: test-graphql-pinned
     # Always run this, even if a dependent job failed
     if: always()
diff --git a/.github/workflows/test-integrations-miscellaneous.yml b/.github/workflows/test-integrations-miscellaneous.yml
index 064d083335..0b49a27219 100644
--- a/.github/workflows/test-integrations-miscellaneous.yml
+++ b/.github/workflows/test-integrations-miscellaneous.yml
@@ -165,7 +165,7 @@ jobs:
           files: .junitxml
           verbose: true
   check_required_tests:
-    name: All Miscellaneous tests passed
+    name: All pinned Miscellaneous tests passed
     needs: test-miscellaneous-pinned
     # Always run this, even if a dependent job failed
     if: always()
diff --git a/.github/workflows/test-integrations-networking.yml b/.github/workflows/test-integrations-networking.yml
index 192eb1b35b..c24edff174 100644
--- a/.github/workflows/test-integrations-networking.yml
+++ b/.github/workflows/test-integrations-networking.yml
@@ -157,7 +157,7 @@ jobs:
           files: .junitxml
           verbose: true
   check_required_tests:
-    name: All Networking tests passed
+    name: All pinned Networking tests passed
     needs: test-networking-pinned
     # Always run this, even if a dependent job failed
     if: always()
diff --git a/.github/workflows/test-integrations-web-frameworks-1.yml b/.github/workflows/test-integrations-web-frameworks-1.yml
index f2bcb336dd..a655710843 100644
--- a/.github/workflows/test-integrations-web-frameworks-1.yml
+++ b/.github/workflows/test-integrations-web-frameworks-1.yml
@@ -193,7 +193,7 @@ jobs:
           files: .junitxml
           verbose: true
   check_required_tests:
-    name: All Web Frameworks 1 tests passed
+    name: All pinned Web Frameworks 1 tests passed
     needs: test-web_frameworks_1-pinned
     # Always run this, even if a dependent job failed
     if: always()
diff --git a/.github/workflows/test-integrations-web-frameworks-2.yml b/.github/workflows/test-integrations-web-frameworks-2.yml
index 8f6bd543df..d3f1001e2c 100644
--- a/.github/workflows/test-integrations-web-frameworks-2.yml
+++ b/.github/workflows/test-integrations-web-frameworks-2.yml
@@ -205,7 +205,7 @@ jobs:
           files: .junitxml
           verbose: true
   check_required_tests:
-    name: All Web Frameworks 2 tests passed
+    name: All pinned Web Frameworks 2 tests passed
     needs: test-web_frameworks_2-pinned
     # Always run this, even if a dependent job failed
     if: always()
diff --git a/requirements-devenv.txt b/requirements-devenv.txt
index 29d3f15ec9..c0fa5cf245 100644
--- a/requirements-devenv.txt
+++ b/requirements-devenv.txt
@@ -1,5 +1,5 @@
 -r requirements-linting.txt
 -r requirements-testing.txt
 mockupdb # required by `pymongo` tests that are enabled by `pymongo` from linter requirements
-pytest<7.0.0 # https://github.com/pytest-dev/pytest/issues/9621; see tox.ini
+pytest
 pytest-asyncio
diff --git a/scripts/split-tox-gh-actions/templates/check_required.jinja b/scripts/split-tox-gh-actions/templates/check_required.jinja
index b9b0f54015..ddb47cddf1 100644
--- a/scripts/split-tox-gh-actions/templates/check_required.jinja
+++ b/scripts/split-tox-gh-actions/templates/check_required.jinja
@@ -1,5 +1,5 @@
   check_required_tests:
-    name: All {{ group }} tests passed
+    name: All pinned {{ group }} tests passed
     {% if "pinned" in categories %}
     needs: test-{{ group | replace(" ", "_") | lower }}-pinned
     {% endif %}
diff --git a/sentry_sdk/integrations/starlette.py b/sentry_sdk/integrations/starlette.py
index 52c64f6843..d9db8bd6b8 100644
--- a/sentry_sdk/integrations/starlette.py
+++ b/sentry_sdk/integrations/starlette.py
@@ -65,7 +65,12 @@
 
 try:
     # Optional dependency of Starlette to parse form data.
-    import multipart  # type: ignore
+    try:
+        # python-multipart 0.0.13 and later
+        import python_multipart as multipart  # type: ignore
+    except ImportError:
+        # python-multipart 0.0.12 and earlier
+        import multipart  # type: ignore
 except ImportError:
     multipart = None
 
diff --git a/sentry_sdk/integrations/stdlib.py b/sentry_sdk/integrations/stdlib.py
index 287c8cb272..d388c5bca6 100644
--- a/sentry_sdk/integrations/stdlib.py
+++ b/sentry_sdk/integrations/stdlib.py
@@ -127,11 +127,13 @@ def getresponse(self, *args, **kwargs):
         if span is None:
             return real_getresponse(self, *args, **kwargs)
 
-        rv = real_getresponse(self, *args, **kwargs)
+        try:
+            rv = real_getresponse(self, *args, **kwargs)
 
-        span.set_http_status(int(rv.status))
-        span.set_data("reason", rv.reason)
-        span.finish()
+            span.set_http_status(int(rv.status))
+            span.set_data("reason", rv.reason)
+        finally:
+            span.finish()
 
         return rv
 
diff --git a/sentry_sdk/profiler/utils.py b/sentry_sdk/profiler/utils.py
index e78ea54256..3554cddb5d 100644
--- a/sentry_sdk/profiler/utils.py
+++ b/sentry_sdk/profiler/utils.py
@@ -89,7 +89,7 @@ def get_frame_name(frame):
                 and co_varnames[0] == "self"
                 and "self" in frame.f_locals
             ):
-                for cls in frame.f_locals["self"].__class__.__mro__:
+                for cls in type(frame.f_locals["self"]).__mro__:
                     if name in cls.__dict__:
                         return "{}.{}".format(cls.__name__, name)
         except (AttributeError, ValueError):
diff --git a/sentry_sdk/transport.py b/sentry_sdk/transport.py
index 1b1842d03e..8798115898 100644
--- a/sentry_sdk/transport.py
+++ b/sentry_sdk/transport.py
@@ -720,6 +720,7 @@ def _request(
 
 try:
     import httpcore
+    import h2  # type: ignore # noqa: F401
 except ImportError:
     # Sorry, no Http2Transport for you
     class Http2Transport(HttpTransport):
diff --git a/tests/integrations/celery/test_celery.py b/tests/integrations/celery/test_celery.py
index ffd3f0db62..e51341599f 100644
--- a/tests/integrations/celery/test_celery.py
+++ b/tests/integrations/celery/test_celery.py
@@ -831,3 +831,11 @@ def test_send_task_wrapped(
     assert span["description"] == "very_creative_task_name"
     assert span["op"] == "queue.submit.celery"
     assert span["trace_id"] == kwargs["headers"]["sentry-trace"].split("-")[0]
+
+
+@pytest.mark.skip(reason="placeholder so that forked test does not come last")
+def test_placeholder():
+    """Forked tests must not come last in the module.
+    See https://github.com/pytest-dev/pytest-forked/issues/67#issuecomment-1964718720.
+    """
+    pass
diff --git a/tests/integrations/django/test_basic.py b/tests/integrations/django/test_basic.py
index c8282412ea..0e3f700105 100644
--- a/tests/integrations/django/test_basic.py
+++ b/tests/integrations/django/test_basic.py
@@ -1,6 +1,8 @@
+import inspect
 import json
 import os
 import re
+import sys
 import pytest
 from functools import partial
 from unittest.mock import patch
@@ -12,6 +14,7 @@
 from django.core.management import execute_from_command_line
 from django.db.utils import OperationalError, ProgrammingError, DataError
 from django.http.request import RawPostDataException
+from django.utils.functional import SimpleLazyObject
 
 try:
     from django.urls import reverse
@@ -29,6 +32,7 @@
 )
 from sentry_sdk.integrations.django.signals_handlers import _get_receiver_name
 from sentry_sdk.integrations.executing import ExecutingIntegration
+from sentry_sdk.profiler.utils import get_frame_name
 from sentry_sdk.tracing import Span
 from tests.conftest import unpack_werkzeug_response
 from tests.integrations.django.myapp.wsgi import application
@@ -1295,3 +1299,47 @@ def test_ensures_no_spotlight_middleware_when_no_spotlight(
     added = frozenset(settings.MIDDLEWARE) ^ original_middleware
 
     assert "sentry_sdk.spotlight.SpotlightMiddleware" not in added
+
+
+def test_get_frame_name_when_in_lazy_object():
+    allowed_to_init = False
+
+    class SimpleLazyObjectWrapper(SimpleLazyObject):
+        def unproxied_method(self):
+            """
+            For testing purposes. We inject a method on the SimpleLazyObject
+            class so if python is executing this method, we should get
+            this class instead of the wrapped class and avoid evaluating
+            the wrapped object too early.
+            """
+            return inspect.currentframe()
+
+    class GetFrame:
+        def __init__(self):
+            assert allowed_to_init, "GetFrame not permitted to initialize yet"
+
+        def proxied_method(self):
+            """
+            For testing purposes. We add an proxied method on the instance
+            class so if python is executing this method, we should get
+            this class instead of the wrapper class.
+            """
+            return inspect.currentframe()
+
+    instance = SimpleLazyObjectWrapper(lambda: GetFrame())
+
+    assert get_frame_name(instance.unproxied_method()) == (
+        "SimpleLazyObjectWrapper.unproxied_method"
+        if sys.version_info < (3, 11)
+        else "test_get_frame_name_when_in_lazy_object.<locals>.SimpleLazyObjectWrapper.unproxied_method"
+    )
+
+    # Now that we're about to access an instance method on the wrapped class,
+    # we should permit initializing it
+    allowed_to_init = True
+
+    assert get_frame_name(instance.proxied_method()) == (
+        "GetFrame.proxied_method"
+        if sys.version_info < (3, 11)
+        else "test_get_frame_name_when_in_lazy_object.<locals>.GetFrame.proxied_method"
+    )
diff --git a/tests/integrations/rq/test_rq.py b/tests/integrations/rq/test_rq.py
index e445b588be..ffd6f458e1 100644
--- a/tests/integrations/rq/test_rq.py
+++ b/tests/integrations/rq/test_rq.py
@@ -254,6 +254,11 @@ def test_traces_sampler_gets_correct_values_in_sampling_context(
 @pytest.mark.skipif(
     parse_version(rq.__version__) < (1, 5), reason="At least rq-1.5 required"
 )
+@pytest.mark.skipif(
+    parse_version(rq.__version__) >= (2,),
+    reason="Test broke in RQ 2.0. Investigate and fix. "
+    "See https://github.com/getsentry/sentry-python/issues/3707.",
+)
 def test_job_with_retries(sentry_init, capture_events):
     sentry_init(integrations=[RqIntegration()])
     events = capture_events()
diff --git a/tests/integrations/stdlib/test_httplib.py b/tests/integrations/stdlib/test_httplib.py
index c327331608..200b282f53 100644
--- a/tests/integrations/stdlib/test_httplib.py
+++ b/tests/integrations/stdlib/test_httplib.py
@@ -1,5 +1,6 @@
 import random
 from http.client import HTTPConnection, HTTPSConnection
+from socket import SocketIO
 from urllib.request import urlopen
 from unittest import mock
 
@@ -342,3 +343,35 @@ def test_span_origin(sentry_init, capture_events):
 
     assert event["spans"][0]["op"] == "http.client"
     assert event["spans"][0]["origin"] == "auto.http.stdlib.httplib"
+
+
+def test_http_timeout(monkeypatch, sentry_init, capture_envelopes):
+    mock_readinto = mock.Mock(side_effect=TimeoutError)
+    monkeypatch.setattr(SocketIO, "readinto", mock_readinto)
+
+    sentry_init(traces_sample_rate=1.0)
+
+    envelopes = capture_envelopes()
+
+    with start_transaction(op="op", name="name"):
+        try:
+            conn = HTTPSConnection("www.squirrelchasers.com")
+            conn.request("GET", "/top-chasers")
+            conn.getresponse()
+        except Exception:
+            pass
+
+    items = [
+        item
+        for envelope in envelopes
+        for item in envelope.items
+        if item.type == "transaction"
+    ]
+    assert len(items) == 1
+
+    transaction = items[0].payload.json
+    assert len(transaction["spans"]) == 1
+
+    span = transaction["spans"][0]
+    assert span["op"] == "http.client"
+    assert span["description"] == "GET https://www.squirrelchasers.com/top-chasers"
diff --git a/tests/test_utils.py b/tests/test_utils.py
index 87e2659a12..6e01bb4f3a 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -69,8 +69,8 @@ def _normalize_distribution_name(name):
         ),  # UTC time
         (
             "2021-01-01T00:00:00.000000",
-            datetime(2021, 1, 1, tzinfo=timezone.utc),
-        ),  # No TZ -- assume UTC
+            datetime(2021, 1, 1).astimezone(timezone.utc),
+        ),  # No TZ -- assume local but convert to UTC
         (
             "2021-01-01T00:00:00Z",
             datetime(2021, 1, 1, tzinfo=timezone.utc),
diff --git a/tox.ini b/tox.ini
index b53cc73d7f..ef30e539b5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -294,8 +294,8 @@ deps =
     # See https://github.com/pytest-dev/pytest/issues/9621
     # and https://github.com/pytest-dev/pytest-forked/issues/67
     # for justification of the upper bound on pytest
-    {py3.6,py3.7,py3.8,py3.9,py3.10,py3.11,py3.12}-common: pytest<7.0.0
-    py3.13-common: pytest
+    {py3.6,py3.7}-common: pytest<7.0.0
+    {py3.8,py3.9,py3.10,py3.11,py3.12,py3.13}-common: pytest
 
     # === Gevent ===
     {py3.6,py3.7,py3.8,py3.9,py3.10,py3.11}-gevent: gevent>=22.10.0, <22.11.0
@@ -303,7 +303,8 @@ deps =
     # See https://github.com/pytest-dev/pytest/issues/9621
     # and https://github.com/pytest-dev/pytest-forked/issues/67
     # for justification of the upper bound on pytest
-    {py3.6,py3.7,py3.8,py3.9,py3.10,py3.11,py3.12}-gevent: pytest<7.0.0
+    {py3.6,py3.7}-gevent: pytest<7.0.0
+    {py3.8,py3.9,py3.10,py3.11,py3.12}-gevent: pytest
 
     # === Integrations ===
 
@@ -374,7 +375,6 @@ deps =
     celery-latest: Celery
 
     celery: newrelic
-    celery: pytest<7
     {py3.7}-celery: importlib-metadata<5.0
 
     # Chalice
@@ -583,7 +583,8 @@ deps =
     # Redis
     redis: fakeredis!=1.7.4
     redis: pytest<8.0.0
-    {py3.7,py3.8,py3.9,py3.10,py3.11}-redis: pytest-asyncio
+    {py3.6,py3.7}-redis: fakeredis!=2.26.0  # https://github.com/cunla/fakeredis-py/issues/341
+    {py3.7,py3.8,py3.9,py3.10,py3.11,py3.12,py3.13}-redis: pytest-asyncio
     redis-v3: redis~=3.0
     redis-v4: redis~=4.0
     redis-v5: redis~=5.0
@@ -602,7 +603,9 @@ deps =
     rq-v{0.6}: redis<3.2.2
     rq-v{0.13,1.0,1.5,1.10}: fakeredis>=1.0,<1.7.4
     rq-v{1.15,1.16}: fakeredis
+    {py3.6,py3.7}-rq-v{1.15,1.16}: fakeredis!=2.26.0  # https://github.com/cunla/fakeredis-py/issues/341
     rq-latest: fakeredis
+    {py3.6,py3.7}-rq-latest: fakeredis!=2.26.0  # https://github.com/cunla/fakeredis-py/issues/341
     rq-v0.6: rq~=0.6.0
     rq-v0.13: rq~=0.13.0
     rq-v1.0: rq~=1.0.0
@@ -670,7 +673,9 @@ deps =
     strawberry-latest: strawberry-graphql[fastapi,flask]
 
     # Tornado
-    tornado: pytest<8.2
+    # Tornado <6.4.1 is incompatible with Pytest ≥8.2
+    # See https://github.com/tornadoweb/tornado/pull/3382.
+    tornado-{v6.0,v6.2}: pytest<8.2
     tornado-v6.0: tornado~=6.0.0
     tornado-v6.2: tornado~=6.2.0
     tornado-latest: tornado