Change junit_family default to xunit2

src/_pytest/deprecated.py

@@ -30,13 +30,6 @@ RESULT_LOG = PytestDeprecationWarning(
     "See https://docs.pytest.org/en/stable/deprecations.html#result-log-result-log for more information."
 )
 
-
-JUNIT_XML_DEFAULT_FAMILY = PytestDeprecationWarning(
-    "The 'junit_family' default value will change to 'xunit2' in pytest 6.0. See:\n"
-    "  https://docs.pytest.org/en/stable/deprecations.html#junit-family-default-value-change-to-xunit2\n"
-    "for more information."
-)
-
 COLLECT_DIRECTORY_HOOK = PytestDeprecationWarning(
     "The pytest_collect_directory hook is not working.\n"
     "Please use collect_ignore in conftests or pytest_collection_modifyitems."

src/_pytest/junitxml.py

@@ -21,7 +21,6 @@ from typing import Tuple
 from typing import Union
 
 import pytest
-from _pytest import deprecated
 from _pytest import nodes
 from _pytest import timing
 from _pytest._code.code import ExceptionRepr
@@ -33,7 +32,6 @@ from _pytest.fixtures import FixtureRequest
 from _pytest.reports import TestReport
 from _pytest.store import StoreKey
 from _pytest.terminal import TerminalReporter
-from _pytest.warnings import _issue_warning_captured
 
 
 xml_key = StoreKey["LogXML"]()
@@ -413,7 +411,9 @@ def pytest_addoption(parser: Parser) -> None:
         default="total",
     )  # choices=['total', 'call'])
     parser.addini(
-        "junit_family", "Emit XML for schema: one of legacy|xunit1|xunit2", default=None
+        "junit_family",
+        "Emit XML for schema: one of legacy|xunit1|xunit2",
+        default="xunit2",
     )
 
 
@@ -422,9 +422,6 @@ def pytest_configure(config: Config) -> None:
     # Prevent opening xmllog on worker nodes (xdist).
     if xmlpath and not hasattr(config, "workerinput"):
         junit_family = config.getini("junit_family")
-        if not junit_family:
-            _issue_warning_captured(deprecated.JUNIT_XML_DEFAULT_FAMILY, config.hook, 2)
-            junit_family = "xunit1"
         config._store[xml_key] = LogXML(
             xmlpath,
             config.option.junitprefix,