diff --git a/changelogs/fragments/71824-action-fqcns.yml b/changelogs/fragments/71824-action-fqcns.yml
new file mode 100644
index 00000000000..e2c8729d7cd
--- /dev/null
+++ b/changelogs/fragments/71824-action-fqcns.yml
@@ -0,0 +1,2 @@
+bugfixes:
+- "Adjust various hard-coded action names to also include their ``ansible.builtin.`` and ``ansible.legacy.`` prefixed version (https://github.com/ansible/ansible/issues/71817, https://github.com/ansible/ansible/issues/71818, https://github.com/ansible/ansible/pull/71824)."
diff --git a/lib/ansible/cli/adhoc.py b/lib/ansible/cli/adhoc.py
index 3b984f01ff0..fd39f1a50af 100644
--- a/lib/ansible/cli/adhoc.py
+++ b/lib/ansible/cli/adhoc.py
@@ -69,7 +69,7 @@ class AdHocCLI(CLI):
         mytask = {'action': {'module': context.CLIARGS['module_name'], 'args': parse_kv(context.CLIARGS['module_args'], check_raw=check_raw)}}
 
         # avoid adding to tasks that don't support it, unless set, then give user an error
-        if context.CLIARGS['module_name'] not in ('include_role', 'include_tasks') and any(frozenset((async_val, poll))):
+        if context.CLIARGS['module_name'] not in C._ACTION_ALL_INCLUDE_ROLE_TASKS and any(frozenset((async_val, poll))):
             mytask['async_val'] = async_val
             mytask['poll'] = poll
 
@@ -118,7 +118,7 @@ class AdHocCLI(CLI):
             raise AnsibleOptionsError(err)
 
         # Avoid modules that don't work with ad-hoc
-        if context.CLIARGS['module_name'] in ('import_playbook',):
+        if context.CLIARGS['module_name'] in C._ACTION_IMPORT_PLAYBOOK:
             raise AnsibleOptionsError("'%s' is not a valid action for ad-hoc commands"
                                       % context.CLIARGS['module_name'])
 
diff --git a/lib/ansible/cli/console.py b/lib/ansible/cli/console.py
index 3c600ee8488..2383ebdd87f 100644
--- a/lib/ansible/cli/console.py
+++ b/lib/ansible/cli/console.py
@@ -182,7 +182,7 @@ class ConsoleCLI(CLI, cmd.Cmd):
 
         result = None
         try:
-            check_raw = module in ('command', 'shell', 'script', 'raw')
+            check_raw = module in C._ACTION_ALLOWS_RAW_ARGS
             play_ds = dict(
                 name="Ansible Shell",
                 hosts=self.cwd,
diff --git a/lib/ansible/cli/playbook.py b/lib/ansible/cli/playbook.py
index 3429a283964..f8246b2ae2e 100644
--- a/lib/ansible/cli/playbook.py
+++ b/lib/ansible/cli/playbook.py
@@ -8,6 +8,7 @@ __metaclass__ = type
 import os
 import stat
 
+from ansible import constants as C
 from ansible import context
 from ansible.cli import CLI
 from ansible.cli.arguments import option_helpers as opt_help
@@ -162,7 +163,7 @@ class PlaybookCLI(CLI):
                                 if isinstance(task, Block):
                                     taskmsg += _process_block(task)
                                 else:
-                                    if task.action == 'meta':
+                                    if task.action in C._ACTION_META:
                                         continue
 
                                     all_tags.update(task.tags)
diff --git a/lib/ansible/constants.py b/lib/ansible/constants.py
index 5e9270b910e..575bed5291f 100644
--- a/lib/ansible/constants.py
+++ b/lib/ansible/constants.py
@@ -17,6 +17,7 @@ from ansible.module_utils._text import to_text
 from ansible.module_utils.common.collections import Sequence
 from ansible.module_utils.parsing.convert_bool import boolean, BOOLEANS_TRUE
 from ansible.module_utils.six import string_types
+from ansible.utils.fqcn import add_internal_fqcns
 
 
 def _warning(msg):
@@ -109,10 +110,10 @@ DOCUMENTABLE_PLUGINS = CONFIGURABLE_PLUGINS + ('module', 'strategy')
 IGNORE_FILES = ("COPYING", "CONTRIBUTING", "LICENSE", "README", "VERSION", "GUIDELINES")  # ignore during module search
 INTERNAL_RESULT_KEYS = ('add_host', 'add_group')
 LOCALHOST = ('127.0.0.1', 'localhost', '::1')
-MODULE_REQUIRE_ARGS = ('command', 'win_command', 'ansible.windows.win_command', 'shell', 'win_shell',
-                       'ansible.windows.win_shell', 'raw', 'script')
-MODULE_NO_JSON = ('command', 'win_command', 'ansible.windows.win_command', 'shell', 'win_shell',
-                  'ansible.windows.win_shell', 'raw')
+MODULE_REQUIRE_ARGS = tuple(add_internal_fqcns(('command', 'win_command', 'ansible.windows.win_command', 'shell', 'win_shell',
+                                                'ansible.windows.win_shell', 'raw', 'script')))
+MODULE_NO_JSON = tuple(add_internal_fqcns(('command', 'win_command', 'ansible.windows.win_command', 'shell', 'win_shell',
+                                           'ansible.windows.win_shell', 'raw')))
 RESTRICTED_RESULT_KEYS = ('ansible_rsync_path', 'ansible_playbook_python', 'ansible_facts')
 TREE_DIR = None
 VAULT_VERSION_MIN = 1.0
@@ -199,3 +200,28 @@ for setting in config.data.get_settings():
 
 for warn in config.WARNINGS:
     _warning(warn)
+
+
+# The following are hard-coded action names
+_ACTION_DEBUG = add_internal_fqcns(('debug', ))
+_ACTION_IMPORT_PLAYBOOK = add_internal_fqcns(('import_playbook', ))
+_ACTION_IMPORT_ROLE = add_internal_fqcns(('import_role', ))
+_ACTION_IMPORT_TASKS = add_internal_fqcns(('import_tasks', ))
+_ACTION_INCLUDE = add_internal_fqcns(('include', ))
+_ACTION_INCLUDE_ROLE = add_internal_fqcns(('include_role', ))
+_ACTION_INCLUDE_TASKS = add_internal_fqcns(('include_tasks', ))
+_ACTION_INCLUDE_VARS = add_internal_fqcns(('include_vars', ))
+_ACTION_META = add_internal_fqcns(('meta', ))
+_ACTION_SET_FACT = add_internal_fqcns(('set_fact', ))
+_ACTION_SETUP = add_internal_fqcns(('setup', ))
+_ACTION_HAS_CMD = add_internal_fqcns(('command', 'shell', 'script'))
+_ACTION_ALLOWS_RAW_ARGS = _ACTION_HAS_CMD + add_internal_fqcns(('raw', ))
+_ACTION_ALL_INCLUDES = _ACTION_INCLUDE + _ACTION_INCLUDE_TASKS + _ACTION_INCLUDE_ROLE
+_ACTION_ALL_IMPORT_PLAYBOOKS = _ACTION_INCLUDE + _ACTION_IMPORT_PLAYBOOK
+_ACTION_ALL_INCLUDE_IMPORT_TASKS = _ACTION_INCLUDE + _ACTION_INCLUDE_TASKS + _ACTION_IMPORT_TASKS
+_ACTION_ALL_PROPER_INCLUDE_IMPORT_ROLES = _ACTION_INCLUDE_ROLE + _ACTION_IMPORT_ROLE
+_ACTION_ALL_PROPER_INCLUDE_IMPORT_TASKS = _ACTION_INCLUDE_TASKS + _ACTION_IMPORT_TASKS
+_ACTION_ALL_INCLUDE_ROLE_TASKS = _ACTION_INCLUDE_ROLE + _ACTION_INCLUDE_TASKS
+_ACTION_ALL_INCLUDE_TASKS = _ACTION_INCLUDE + _ACTION_INCLUDE_TASKS
+_ACTION_FACT_GATHERING = _ACTION_SETUP + add_internal_fqcns(('gather_facts', ))
+_ACTION_WITH_CLEAN_FACTS = _ACTION_SET_FACT + _ACTION_INCLUDE_VARS
diff --git a/lib/ansible/executor/task_executor.py b/lib/ansible/executor/task_executor.py
index 0449b419023..ec1fc97612d 100644
--- a/lib/ansible/executor/task_executor.py
+++ b/lib/ansible/executor/task_executor.py
@@ -566,7 +566,7 @@ class TaskExecutor:
 
         # if this task is a TaskInclude, we just return now with a success code so the
         # main thread can expand the task list for the given host
-        if self._task.action in ('include', 'include_tasks'):
+        if self._task.action in C._ACTION_ALL_INCLUDE_TASKS:
             include_args = self._task.args.copy()
             include_file = include_args.pop('_raw_params', None)
             if not include_file:
@@ -576,7 +576,7 @@ class TaskExecutor:
             return dict(include=include_file, include_args=include_args)
 
         # if this task is a IncludeRole, we just return now with a success code so the main thread can expand the task list for the given host
-        elif self._task.action == 'include_role':
+        elif self._task.action in C._ACTION_INCLUDE_ROLE:
             include_args = self._task.args.copy()
             return dict(include_args=include_args)
 
@@ -714,7 +714,7 @@ class TaskExecutor:
                 return failed_when_result
 
             if 'ansible_facts' in result:
-                if self._task.action in ('set_fact', 'include_vars'):
+                if self._task.action in C._ACTION_WITH_CLEAN_FACTS:
                     vars_copy.update(result['ansible_facts'])
                 else:
                     # TODO: cleaning of facts should eventually become part of taskresults instead of vars
@@ -778,7 +778,7 @@ class TaskExecutor:
             variables[self._task.register] = result = wrap_var(result)
 
         if 'ansible_facts' in result:
-            if self._task.action in ('set_fact', 'include_vars'):
+            if self._task.action in C._ACTION_WITH_CLEAN_FACTS:
                 variables.update(result['ansible_facts'])
             else:
                 # TODO: cleaning of facts should eventually become part of taskresults instead of vars
diff --git a/lib/ansible/executor/task_result.py b/lib/ansible/executor/task_result.py
index eba18fa337d..543b860ebe7 100644
--- a/lib/ansible/executor/task_result.py
+++ b/lib/ansible/executor/task_result.py
@@ -113,7 +113,7 @@ class TaskResult:
         result = TaskResult(self._host, self._task, {}, self._task_fields)
 
         # statuses are already reflected on the event type
-        if result._task and result._task.action in ['debug']:
+        if result._task and result._task.action in C._ACTION_DEBUG:
             # debug is verbose by default to display vars, no need to add invocation
             ignore = _IGNORE + ('invocation',)
         else:
diff --git a/lib/ansible/parsing/mod_args.py b/lib/ansible/parsing/mod_args.py
index a6906b909c7..ed9865cb406 100644
--- a/lib/ansible/parsing/mod_args.py
+++ b/lib/ansible/parsing/mod_args.py
@@ -26,13 +26,14 @@ from ansible.module_utils._text import to_text
 from ansible.parsing.splitter import parse_kv, split_args
 from ansible.plugins.loader import module_loader, action_loader
 from ansible.template import Templar
+from ansible.utils.fqcn import add_internal_fqcns
 from ansible.utils.sentinel import Sentinel
 
 
 # For filtering out modules correctly below
 FREEFORM_ACTIONS = frozenset(C.MODULE_REQUIRE_ARGS)
 
-RAW_PARAM_MODULES = FREEFORM_ACTIONS.union((
+RAW_PARAM_MODULES = FREEFORM_ACTIONS.union(add_internal_fqcns((
     'include',
     'include_vars',
     'include_tasks',
@@ -43,16 +44,16 @@ RAW_PARAM_MODULES = FREEFORM_ACTIONS.union((
     'group_by',
     'set_fact',
     'meta',
-))
+)))
 
-BUILTIN_TASKS = frozenset((
+BUILTIN_TASKS = frozenset(add_internal_fqcns((
     'meta',
     'include',
     'include_tasks',
     'include_role',
     'import_tasks',
     'import_role'
-))
+)))
 
 
 class ModuleArgsParser:
diff --git a/lib/ansible/playbook/__init__.py b/lib/ansible/playbook/__init__.py
index c7dab6b4d1b..8c4ed65f0b3 100644
--- a/lib/ansible/playbook/__init__.py
+++ b/lib/ansible/playbook/__init__.py
@@ -91,15 +91,19 @@ class Playbook:
                 self._loader.set_basedir(cur_basedir)
                 raise AnsibleParserError("playbook entries must be either a valid play or an include statement", obj=entry)
 
-            if any(action in entry for action in ('import_playbook', 'include')):
-                if 'include' in entry:
+            if any(action in entry for action in C._ACTION_ALL_IMPORT_PLAYBOOKS):
+                if any(action in entry for action in C._ACTION_INCLUDE):
                     display.deprecated("'include' for playbook includes. You should use 'import_playbook' instead",
                                        version="2.12", collection_name='ansible.builtin')
                 pb = PlaybookInclude.load(entry, basedir=self._basedir, variable_manager=variable_manager, loader=self._loader)
                 if pb is not None:
                     self._entries.extend(pb._entries)
                 else:
-                    which = entry.get('import_playbook', entry.get('include', entry))
+                    which = entry
+                    for k in C._ACTION_IMPORT_PLAYBOOK + C._ACTION_INCLUDE:
+                        if k in entry:
+                            which = entry[k]
+                            break
                     display.display("skipping playbook '%s' due to conditional test failure" % which, color=C.COLOR_SKIP)
             else:
                 entry_obj = Play.load(entry, variable_manager=variable_manager, loader=self._loader, vars=vars)
diff --git a/lib/ansible/playbook/block.py b/lib/ansible/playbook/block.py
index 5f766e00836..e3a4e1c7378 100644
--- a/lib/ansible/playbook/block.py
+++ b/lib/ansible/playbook/block.py
@@ -19,6 +19,7 @@
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
+import ansible.constants as C
 from ansible.errors import AnsibleParserError
 from ansible.playbook.attribute import FieldAttribute
 from ansible.playbook.base import Base
@@ -374,8 +375,8 @@ class Block(Base, Conditional, CollectionSearch, Taggable):
                     filtered_block = evaluate_block(task)
                     if filtered_block.has_tasks():
                         tmp_list.append(filtered_block)
-                elif (task.action == 'meta' or
-                        (task.action == 'include' and task.evaluate_tags([], self._play.skip_tags, all_vars=all_vars)) or
+                elif (task.action in C._ACTION_META or
+                        (task.action in C._ACTION_INCLUDE and task.evaluate_tags([], self._play.skip_tags, all_vars=all_vars)) or
                         task.evaluate_tags(self._play.only_tags, self._play.skip_tags, all_vars=all_vars)):
                     tmp_list.append(task)
             return tmp_list
diff --git a/lib/ansible/playbook/helpers.py b/lib/ansible/playbook/helpers.py
index 45ff837f83d..892ce158087 100644
--- a/lib/ansible/playbook/helpers.py
+++ b/lib/ansible/playbook/helpers.py
@@ -128,7 +128,7 @@ def load_list_of_tasks(ds, play, block=None, role=None, task_include=None, use_h
                 # But if it wasn't, we can add the yaml object now to get more detail
                 raise AnsibleParserError(to_native(e), obj=task_ds, orig_exc=e)
 
-            if action in ('include', 'import_tasks', 'include_tasks'):
+            if action in C._ACTION_ALL_INCLUDE_IMPORT_TASKS:
 
                 if use_handlers:
                     include_class = HandlerTaskInclude
@@ -150,9 +150,9 @@ def load_list_of_tasks(ds, play, block=None, role=None, task_include=None, use_h
                 # check to see if this include is dynamic or static:
                 # 1. the user has set the 'static' option to false or true
                 # 2. one of the appropriate config options was set
-                if action == 'include_tasks':
+                if action in C._ACTION_INCLUDE_TASKS:
                     is_static = False
-                elif action == 'import_tasks':
+                elif action in C._ACTION_IMPORT_TASKS:
                     is_static = True
                 elif t.static is not None:
                     display.deprecated("The use of 'static' has been deprecated. "
@@ -166,7 +166,7 @@ def load_list_of_tasks(ds, play, block=None, role=None, task_include=None, use_h
 
                 if is_static:
                     if t.loop is not None:
-                        if action == 'import_tasks':
+                        if action in C._ACTION_IMPORT_TASKS:
                             raise AnsibleParserError("You cannot use loops on 'import_tasks' statements. You should use 'include_tasks' instead.", obj=task_ds)
                         else:
                             raise AnsibleParserError("You cannot use 'static' on an include with a loop", obj=task_ds)
@@ -248,7 +248,7 @@ def load_list_of_tasks(ds, play, block=None, role=None, task_include=None, use_h
                         # nested includes, and we want the include order printed correctly
                         display.vv("statically imported: %s" % include_file)
                     except AnsibleFileNotFound:
-                        if action != 'include' or t.static or \
+                        if action not in C._ACTION_INCLUDE or t.static or \
                            C.DEFAULT_TASK_INCLUDES_STATIC or \
                            C.DEFAULT_HANDLER_INCLUDES_STATIC and use_handlers:
                             raise
@@ -286,7 +286,7 @@ def load_list_of_tasks(ds, play, block=None, role=None, task_include=None, use_h
                         tags = tags.split(',')
 
                     if len(tags) > 0:
-                        if action in ('include_tasks', 'import_tasks'):
+                        if action in C._ACTION_ALL_PROPER_INCLUDE_IMPORT_TASKS:
                             raise AnsibleParserError('You cannot specify "tags" inline to the task, it is a task keyword')
                         if len(ti_copy.tags) > 0:
                             raise AnsibleParserError(
@@ -316,7 +316,7 @@ def load_list_of_tasks(ds, play, block=None, role=None, task_include=None, use_h
                     t.is_static = False
                     task_list.append(t)
 
-            elif action in ('include_role', 'import_role'):
+            elif action in C._ACTION_ALL_PROPER_INCLUDE_IMPORT_ROLES:
                 ir = IncludeRole.load(
                     task_ds,
                     block=block,
@@ -329,7 +329,7 @@ def load_list_of_tasks(ds, play, block=None, role=None, task_include=None, use_h
                 #   1. the user has set the 'static' option to false or true
                 #   2. one of the appropriate config options was set
                 is_static = False
-                if action == 'import_role':
+                if action in C._ACTION_IMPORT_ROLE:
                     is_static = True
 
                 elif ir.static is not None:
@@ -340,7 +340,7 @@ def load_list_of_tasks(ds, play, block=None, role=None, task_include=None, use_h
 
                 if is_static:
                     if ir.loop is not None:
-                        if action == 'import_role':
+                        if action in C._ACTION_IMPORT_ROLE:
                             raise AnsibleParserError("You cannot use loops on 'import_role' statements. You should use 'include_role' instead.", obj=task_ds)
                         else:
                             raise AnsibleParserError("You cannot use 'static' on an include_role with a loop", obj=task_ds)
diff --git a/lib/ansible/playbook/included_file.py b/lib/ansible/playbook/included_file.py
index 14663673368..2d209deb600 100644
--- a/lib/ansible/playbook/included_file.py
+++ b/lib/ansible/playbook/included_file.py
@@ -21,6 +21,7 @@ __metaclass__ = type
 
 import os
 
+from ansible import constants as C
 from ansible.errors import AnsibleError
 from ansible.module_utils._text import to_text
 from ansible.playbook.task_include import TaskInclude
@@ -67,7 +68,7 @@ class IncludedFile:
             original_host = res._host
             original_task = res._task
 
-            if original_task.action in ('include', 'include_tasks', 'include_role'):
+            if original_task.action in C._ACTION_ALL_INCLUDES:
                 if original_task.loop:
                     if 'results' not in res._result:
                         continue
@@ -111,7 +112,7 @@ class IncludedFile:
 
                     templar = Templar(loader=loader, variables=task_vars)
 
-                    if original_task.action in ('include', 'include_tasks'):
+                    if original_task.action in C._ACTION_ALL_INCLUDE_TASKS:
                         include_file = None
                         if original_task:
                             if original_task.static:
diff --git a/lib/ansible/playbook/playbook_include.py b/lib/ansible/playbook/playbook_include.py
index ad7284e28ef..4aeecb1edab 100644
--- a/lib/ansible/playbook/playbook_include.py
+++ b/lib/ansible/playbook/playbook_include.py
@@ -21,6 +21,7 @@ __metaclass__ = type
 
 import os
 
+import ansible.constants as C
 from ansible.errors import AnsibleParserError, AnsibleAssertionError
 from ansible.module_utils.six import iteritems, string_types
 from ansible.parsing.splitter import split_args, parse_kv
@@ -117,7 +118,7 @@ class PlaybookInclude(Base, Conditional, Taggable):
             new_ds.ansible_pos = ds.ansible_pos
 
         for (k, v) in iteritems(ds):
-            if k in ('include', 'import_playbook'):
+            if k in C._ACTION_ALL_IMPORT_PLAYBOOKS:
                 self._preprocess_import(ds, new_ds, k, v)
             else:
                 # some basic error checking, to make sure vars are properly
diff --git a/lib/ansible/playbook/role_include.py b/lib/ansible/playbook/role_include.py
index 4e7530d7b4c..2ae80ca6f43 100644
--- a/lib/ansible/playbook/role_include.py
+++ b/lib/ansible/playbook/role_include.py
@@ -20,6 +20,7 @@ __metaclass__ = type
 
 from os.path import basename
 
+import ansible.constants as C
 from ansible.errors import AnsibleParserError
 from ansible.playbook.attribute import FieldAttribute
 from ansible.playbook.block import Block
@@ -127,7 +128,7 @@ class IncludeRole(TaskInclude):
         if ir._role_name is None:
             raise AnsibleParserError("'name' is a required field for %s." % ir.action, obj=data)
 
-        if 'public' in ir.args and ir.action != 'include_role':
+        if 'public' in ir.args and ir.action not in C._ACTION_INCLUDE_ROLE:
             raise AnsibleParserError('Invalid options for %s: public' % ir.action, obj=data)
 
         # validate bad args, otherwise we silently ignore
@@ -144,7 +145,7 @@ class IncludeRole(TaskInclude):
             ir._from_files[from_key] = basename(args_value)
 
         apply_attrs = ir.args.get('apply', {})
-        if apply_attrs and ir.action != 'include_role':
+        if apply_attrs and ir.action not in C._ACTION_INCLUDE_ROLE:
             raise AnsibleParserError('Invalid options for %s: apply' % ir.action, obj=data)
         elif not isinstance(apply_attrs, dict):
             raise AnsibleParserError('Expected a dict for apply but got %s instead' % type(apply_attrs), obj=data)
diff --git a/lib/ansible/playbook/task.py b/lib/ansible/playbook/task.py
index 80b7fd353fe..9762505c9b0 100644
--- a/lib/ansible/playbook/task.py
+++ b/lib/ansible/playbook/task.py
@@ -152,7 +152,7 @@ class Task(Base, Conditional, Taggable, CollectionSearch):
 
     def __repr__(self):
         ''' returns a human readable representation of the task '''
-        if self.get_name() == 'meta':
+        if self.get_name() in C._ACTION_META:
             return "TASK: meta (%s)" % self.args['_raw_params']
         else:
             return "TASK: %s" % self.get_name()
@@ -230,7 +230,7 @@ class Task(Base, Conditional, Taggable, CollectionSearch):
         # the command/shell/script modules used to support the `cmd` arg,
         # which corresponds to what we now call _raw_params, so move that
         # value over to _raw_params (assuming it is empty)
-        if action in ('command', 'shell', 'script'):
+        if action in C._ACTION_HAS_CMD:
             if 'cmd' in args:
                 if args.get('_raw_params', '') != '':
                     raise AnsibleError("The 'cmd' argument cannot be used when other raw parameters are specified."
@@ -262,7 +262,7 @@ class Task(Base, Conditional, Taggable, CollectionSearch):
                 # pre-2.0 syntax allowed variables for include statements at the top level of the task,
                 # so we move those into the 'vars' dictionary here, and show a deprecation message
                 # as we will remove this at some point in the future.
-                if action in ('include',) and k not in self._valid_attrs and k not in self.DEPRECATED_ATTRIBUTES:
+                if action in C._ACTION_INCLUDE and k not in self._valid_attrs and k not in self.DEPRECATED_ATTRIBUTES:
                     display.deprecated("Specifying include variables at the top-level of the task is deprecated."
                                        " Please see:\nhttps://docs.ansible.com/ansible/playbooks_roles.html#task-include-files-and-encouraging-reuse\n\n"
                                        " for currently supported syntax regarding included files and variables",
@@ -326,7 +326,7 @@ class Task(Base, Conditional, Taggable, CollectionSearch):
                     env[k] = templar.template(v, convert_bare=False)
                 except AnsibleUndefinedVariable as e:
                     error = to_native(e)
-                    if self.action in ('setup', 'gather_facts') and 'ansible_facts.env' in error or 'ansible_env' in error:
+                    if self.action in C._ACTION_FACT_GATHERING and 'ansible_facts.env' in error or 'ansible_env' in error:
                         # ignore as fact gathering is required for 'env' facts
                         return
                     raise
@@ -393,7 +393,7 @@ class Task(Base, Conditional, Taggable, CollectionSearch):
         all_vars = dict()
         if self._parent:
             all_vars.update(self._parent.get_include_params())
-        if self.action in ('include', 'include_tasks', 'include_role'):
+        if self.action in C._ACTION_ALL_INCLUDES:
             all_vars.update(self.vars)
         return all_vars
 
diff --git a/lib/ansible/playbook/task_include.py b/lib/ansible/playbook/task_include.py
index 3989d391c0f..e2dc92e9d36 100644
--- a/lib/ansible/playbook/task_include.py
+++ b/lib/ansible/playbook/task_include.py
@@ -76,7 +76,7 @@ class TaskInclude(Task):
 
         # validate bad args, otherwise we silently ignore
         bad_opts = my_arg_names.difference(self.VALID_ARGS)
-        if bad_opts and task.action in ('include_tasks', 'import_tasks'):
+        if bad_opts and task.action in C._ACTION_ALL_PROPER_INCLUDE_IMPORT_TASKS:
             raise AnsibleParserError('Invalid options for %s: %s' % (task.action, ','.join(list(bad_opts))), obj=data)
 
         if not task.args.get('_raw_params'):
@@ -85,7 +85,7 @@ class TaskInclude(Task):
                 raise AnsibleParserError('No file specified for %s' % task.action)
 
         apply_attrs = task.args.get('apply', {})
-        if apply_attrs and task.action != 'include_tasks':
+        if apply_attrs and task.action not in C._ACTION_INCLUDE_TASKS:
             raise AnsibleParserError('Invalid options for %s: apply' % task.action, obj=data)
         elif not isinstance(apply_attrs, dict):
             raise AnsibleParserError('Expected a dict for apply but got %s instead' % type(apply_attrs), obj=data)
@@ -98,7 +98,7 @@ class TaskInclude(Task):
         diff = set(ds.keys()).difference(self.VALID_INCLUDE_KEYWORDS)
         for k in diff:
             # This check doesn't handle ``include`` as we have no idea at this point if it is static or not
-            if ds[k] is not Sentinel and ds['action'] in ('include_tasks', 'include_role'):
+            if ds[k] is not Sentinel and ds['action'] in C._ACTION_ALL_INCLUDE_ROLE_TASKS:
                 if C.INVALID_TASK_ATTRIBUTE_FAILED:
                     raise AnsibleParserError("'%s' is not a valid attribute for a %s" % (k, self.__class__.__name__), obj=ds)
                 else:
@@ -117,7 +117,7 @@ class TaskInclude(Task):
         we need to include the args of the include into the vars as
         they are params to the included tasks. But ONLY for 'include'
         '''
-        if self.action != 'include':
+        if self.action not in C._ACTION_INCLUDE:
             all_vars = super(TaskInclude, self).get_vars()
         else:
             all_vars = dict()
diff --git a/lib/ansible/plugins/action/gather_facts.py b/lib/ansible/plugins/action/gather_facts.py
index 4276c090b9d..eac63e17365 100644
--- a/lib/ansible/plugins/action/gather_facts.py
+++ b/lib/ansible/plugins/action/gather_facts.py
@@ -21,7 +21,7 @@ class ActionModule(ActionBase):
         mod_args = self._task.args.copy()
 
         # deal with 'setup specific arguments'
-        if fact_module not in ['ansible.legacy.setup', 'ansible.builtin.setup', 'setup']:
+        if fact_module not in C._ACTION_SETUP:
             # network facts modules must support gather_subset
             if self._connection._load_name not in ('network_cli', 'httpapi', 'netconf'):
                 subset = mod_args.pop('gather_subset', None)
diff --git a/lib/ansible/plugins/action/normal.py b/lib/ansible/plugins/action/normal.py
index 1582c8619e1..cb91521ac5a 100644
--- a/lib/ansible/plugins/action/normal.py
+++ b/lib/ansible/plugins/action/normal.py
@@ -17,6 +17,7 @@
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
+from ansible import constants as C
 from ansible.plugins.action import ActionBase
 from ansible.utils.vars import merge_hash
 
@@ -48,7 +49,7 @@ class ActionModule(ActionBase):
             # hack to keep --verbose from showing all the setup module result
             # moved from setup module as now we filter out all _ansible_ from result
             # FIXME: is this still accurate with gather_facts etc, or does it need support for FQ and other names?
-            if self._task.action == 'setup':
+            if self._task.action in C._ACTION_SETUP:
                 result['_ansible_verbose_override'] = True
 
         if not wrap_async:
diff --git a/lib/ansible/plugins/callback/__init__.py b/lib/ansible/plugins/callback/__init__.py
index 442b1c87e81..f7089e39411 100644
--- a/lib/ansible/plugins/callback/__init__.py
+++ b/lib/ansible/plugins/callback/__init__.py
@@ -254,7 +254,7 @@ class CallbackBase(AnsiblePlugin):
         ''' removes data from results for display '''
 
         # mostly controls that debug only outputs what it was meant to
-        if task_name == 'debug':
+        if task_name in C._ACTION_DEBUG:
             if 'msg' in result:
                 # msg should be alone
                 for key in list(result.keys()):
diff --git a/lib/ansible/plugins/callback/junit.py b/lib/ansible/plugins/callback/junit.py
index 2fc892924d9..556724d13e9 100644
--- a/lib/ansible/plugins/callback/junit.py
+++ b/lib/ansible/plugins/callback/junit.py
@@ -81,6 +81,7 @@ import os
 import time
 import re
 
+from ansible import constants as C
 from ansible.module_utils._text import to_bytes, to_text
 from ansible.plugins.callback import CallbackBase
 
@@ -290,7 +291,7 @@ class CallbackModule(CallbackBase):
         test_cases = []
 
         for task_uuid, task_data in self._task_data.items():
-            if task_data.action == 'setup' and self._include_setup_tasks_in_report == 'false':
+            if task_data.action in C._ACTION_SETUP and self._include_setup_tasks_in_report == 'false':
                 continue
 
             for host_uuid, host_data in task_data.host_data.items():
diff --git a/lib/ansible/plugins/strategy/__init__.py b/lib/ansible/plugins/strategy/__init__.py
index 95a1d600c05..2e6d49e7ef7 100644
--- a/lib/ansible/plugins/strategy/__init__.py
+++ b/lib/ansible/plugins/strategy/__init__.py
@@ -680,7 +680,7 @@ class StrategyBase:
 
                             host_list = self.get_task_hosts(iterator, original_host, original_task)
 
-                        if original_task.action == 'include_vars':
+                        if original_task.action in C._ACTION_INCLUDE_VARS:
                             for (var_name, var_value) in iteritems(result_item['ansible_facts']):
                                 # find the host we're actually referring too here, which may
                                 # be a host that is not really in inventory at all
@@ -694,9 +694,10 @@ class StrategyBase:
                                 # we set BOTH fact and nonpersistent_facts (aka hostvar)
                                 # when fact is retrieved from cache in subsequent operations it will have the lower precedence,
                                 # but for playbook setting it the 'higher' precedence is kept
-                                if original_task.action != 'set_fact' or cacheable:
+                                is_set_fact = original_task.action in C._ACTION_SET_FACT
+                                if not is_set_fact or cacheable:
                                     self._variable_manager.set_host_facts(target_host, result_item['ansible_facts'].copy())
-                                if original_task.action == 'set_fact':
+                                if is_set_fact:
                                     self._variable_manager.set_nonpersistent_facts(target_host, result_item['ansible_facts'].copy())
 
                     if 'ansible_stats' in result_item and 'data' in result_item['ansible_stats'] and result_item['ansible_stats']['data']:
@@ -747,7 +748,7 @@ class StrategyBase:
 
             # If this is a role task, mark the parent role as being run (if
             # the task was ok or failed, but not skipped or unreachable)
-            if original_task._role is not None and role_ran:  # TODO:  and original_task.action != 'include_role':?
+            if original_task._role is not None and role_ran:  # TODO:  and original_task.action not in C._ACTION_INCLUDE_ROLE:?
                 # lookup the role in the ROLE_CACHE to make sure we're dealing
                 # with the correct object and mark it as executed
                 for (entry, role_obj) in iteritems(iterator._play.ROLE_CACHE[original_task._role.get_name()]):
diff --git a/lib/ansible/plugins/strategy/free.py b/lib/ansible/plugins/strategy/free.py
index ad918478848..779880877d6 100644
--- a/lib/ansible/plugins/strategy/free.py
+++ b/lib/ansible/plugins/strategy/free.py
@@ -189,7 +189,7 @@ class StrategyModule(StrategyBase):
                                 del self._blocked_hosts[host_name]
                                 continue
 
-                        if task.action == 'meta':
+                        if task.action in C._ACTION_META:
                             self._execute_meta(task, play_context, iterator, target_host=host)
                             self._blocked_hosts[host_name] = False
                         else:
diff --git a/lib/ansible/plugins/strategy/linear.py b/lib/ansible/plugins/strategy/linear.py
index 0abd000ccc6..1810757d132 100644
--- a/lib/ansible/plugins/strategy/linear.py
+++ b/lib/ansible/plugins/strategy/linear.py
@@ -31,6 +31,7 @@ DOCUMENTATION = '''
     author: Ansible Core Team
 '''
 
+from ansible import constants as C
 from ansible.errors import AnsibleError, AnsibleAssertionError
 from ansible.executor.play_iterator import PlayIterator
 from ansible.module_utils.six import iteritems
@@ -269,7 +270,7 @@ class StrategyModule(StrategyBase):
                         # corresponding action plugin
                         action = None
 
-                    if task.action == 'meta':
+                    if task.action in C._ACTION_META:
                         # for the linear strategy, we run meta tasks just once and for
                         # all hosts currently being iterated over rather than one host
                         results.extend(self._execute_meta(task, play_context, iterator, host))
@@ -407,7 +408,7 @@ class StrategyModule(StrategyBase):
                 for res in results:
                     # execute_meta() does not set 'failed' in the TaskResult
                     # so we skip checking it with the meta tasks and look just at the iterator
-                    if (res.is_failed() or res._task.action == 'meta') and iterator.is_failed(res._host):
+                    if (res.is_failed() or res._task.action in C._ACTION_META) and iterator.is_failed(res._host):
                         failed_hosts.append(res._host.name)
                     elif res.is_unreachable():
                         unreachable_hosts.append(res._host.name)
diff --git a/lib/ansible/utils/fqcn.py b/lib/ansible/utils/fqcn.py
new file mode 100644
index 00000000000..a492be1f180
--- /dev/null
+++ b/lib/ansible/utils/fqcn.py
@@ -0,0 +1,33 @@
+# (c) 2020, Felix Fontein <felix@fontein.de>
+#
+# This file is part of Ansible
+#
+# Ansible is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Ansible is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+
+def add_internal_fqcns(names):
+    '''
+    Given a sequence of action/module names, returns a list of these names
+    with the same names with the prefixes `ansible.builtin.` and
+    `ansible.legacy.` added for all names that are not already FQCNs.
+    '''
+    result = []
+    for name in names:
+        result.append(name)
+        if '.' not in name:
+            result.append('ansible.builtin.%s' % name)
+            result.append('ansible.legacy.%s' % name)
+    return result
diff --git a/lib/ansible/vars/manager.py b/lib/ansible/vars/manager.py
index a4942bac5d3..b690260c402 100644
--- a/lib/ansible/vars/manager.py
+++ b/lib/ansible/vars/manager.py
@@ -219,7 +219,7 @@ class VariableManager:
             # if we have a task in this context, and that task has a role, make
             # sure it sees its defaults above any other roles, as we previously
             # (v1) made sure each task had a copy of its roles default vars
-            if task._role is not None and (play or task.action == 'include_role'):
+            if task._role is not None and (play or task.action in C._ACTION_INCLUDE_ROLE):
                 all_vars = _combine_and_track(all_vars, task._role.get_default_vars(dep_chain=task.get_dep_chain()),
                                               "role '%s' defaults" % task._role.name)
 
diff --git a/test/integration/targets/debug/main_fqcn.yml b/test/integration/targets/debug/main_fqcn.yml
new file mode 100644
index 00000000000..d6a00fc84ce
--- /dev/null
+++ b/test/integration/targets/debug/main_fqcn.yml
@@ -0,0 +1,6 @@
+- hosts: localhost
+  gather_facts: no
+  tasks:
+    - name: test item being present in the output
+      ansible.builtin.debug: var=item
+      loop: [1, 2, 3]
diff --git a/test/integration/targets/debug/runme.sh b/test/integration/targets/debug/runme.sh
index 4ff4e299a7b..5ccb1bfda6e 100755
--- a/test/integration/targets/debug/runme.sh
+++ b/test/integration/targets/debug/runme.sh
@@ -9,3 +9,9 @@ for i in 1 2 3; do
   grep "ok: \[localhost\] => (item=$i)" out
   grep "\"item\": $i" out
 done
+
+ansible-playbook main_fqcn.yml -i ../../inventory | tee out
+for i in 1 2 3; do
+  grep "ok: \[localhost\] => (item=$i)" out
+  grep "\"item\": $i" out
+done
diff --git a/test/integration/targets/include_import/runme.sh b/test/integration/targets/include_import/runme.sh
index 4dbe9053075..28115a5bb60 100755
--- a/test/integration/targets/include_import/runme.sh
+++ b/test/integration/targets/include_import/runme.sh
@@ -49,23 +49,29 @@ test "$(grep -E -c 'Expected a string for vars_from but got' test_include_role_v
 ## Max Recursion Depth
 # https://github.com/ansible/ansible/issues/23609
 ANSIBLE_STRATEGY='linear' ansible-playbook test_role_recursion.yml -i inventory "$@"
+ANSIBLE_STRATEGY='linear' ansible-playbook test_role_recursion_fqcn.yml -i inventory "$@"
 
 ## Nested tasks
 # https://github.com/ansible/ansible/issues/34782
 ANSIBLE_STRATEGY='linear' ansible-playbook test_nested_tasks.yml  -i inventory "$@"
+ANSIBLE_STRATEGY='linear' ansible-playbook test_nested_tasks_fqcn.yml  -i inventory "$@"
 ANSIBLE_STRATEGY='free' ansible-playbook test_nested_tasks.yml  -i inventory "$@"
+ANSIBLE_STRATEGY='free' ansible-playbook test_nested_tasks_fqcn.yml  -i inventory "$@"
 
 ## Tons of top level include_tasks
 # https://github.com/ansible/ansible/issues/36053
 # Fixed by https://github.com/ansible/ansible/pull/36075
 gen_task_files
 ANSIBLE_STRATEGY='linear' ansible-playbook test_copious_include_tasks.yml  -i inventory "$@"
+ANSIBLE_STRATEGY='linear' ansible-playbook test_copious_include_tasks_fqcn.yml  -i inventory "$@"
 ANSIBLE_STRATEGY='free' ansible-playbook test_copious_include_tasks.yml  -i inventory "$@"
+ANSIBLE_STRATEGY='free' ansible-playbook test_copious_include_tasks_fqcn.yml  -i inventory "$@"
 rm -f tasks/hello/*.yml
 
 # Inlcuded tasks should inherit attrs from non-dynamic blocks in parent chain
 # https://github.com/ansible/ansible/pull/38827
 ANSIBLE_STRATEGY='linear' ansible-playbook test_grandparent_inheritance.yml -i inventory "$@"
+ANSIBLE_STRATEGY='linear' ansible-playbook test_grandparent_inheritance_fqcn.yml -i inventory "$@"
 
 # undefined_var
 ANSIBLE_STRATEGY='linear' ansible-playbook undefined_var/playbook.yml  -i inventory "$@"
@@ -114,3 +120,5 @@ test "$(grep -c 'ok=3' test_allow_single_role_dup.out)" = 1
 
 # https://github.com/ansible/ansible/issues/66764
 ANSIBLE_HOST_PATTERN_MISMATCH=error ansible-playbook empty_group_warning/playbook.yml
+
+ansible-playbook test_include_loop_fqcn.yml "$@"
diff --git a/test/integration/targets/include_import/test_copious_include_tasks_fqcn.yml b/test/integration/targets/include_import/test_copious_include_tasks_fqcn.yml
new file mode 100644
index 00000000000..32fa9abc6c5
--- /dev/null
+++ b/test/integration/targets/include_import/test_copious_include_tasks_fqcn.yml
@@ -0,0 +1,44 @@
+- name: Test many ansible.builtin.include_tasks
+  hosts: testhost
+  gather_facts: no
+
+  tasks:
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-001.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-002.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-003.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-004.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-005.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-006.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-007.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-008.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-009.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-010.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-011.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-012.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-013.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-014.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-015.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-016.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-017.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-018.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-019.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-020.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-021.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-022.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-023.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-024.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-025.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-026.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-027.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-028.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-029.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-030.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-031.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-032.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-033.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-034.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-035.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-036.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-037.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-038.yml"
+    - ansible.builtin.include_tasks: "{{ playbook_dir }}/tasks/hello/tasks-file-039.yml"
diff --git a/test/integration/targets/include_import/test_grandparent_inheritance_fqcn.yml b/test/integration/targets/include_import/test_grandparent_inheritance_fqcn.yml
new file mode 100644
index 00000000000..37a0ad0d6a6
--- /dev/null
+++ b/test/integration/targets/include_import/test_grandparent_inheritance_fqcn.yml
@@ -0,0 +1,29 @@
+---
+- hosts: testhost
+  gather_facts: false
+  tasks:
+    - debug:
+        var: inventory_hostname
+
+    - name: Test included tasks inherit from block
+      check_mode: true
+      block:
+        - ansible.builtin.include_tasks: grandchild/block_include_tasks.yml
+
+    - debug:
+        var: block_include_result
+
+    - assert:
+        that:
+          - block_include_result is skipped
+
+    - name: Test included tasks inherit deeply from import
+      ansible.builtin.import_tasks: grandchild/import.yml
+      check_mode: true
+
+    - debug:
+        var: import_include_include_result
+
+    - assert:
+        that:
+          - import_include_include_result is skipped
diff --git a/test/integration/targets/include_import/test_include_loop_fqcn.yml b/test/integration/targets/include_import/test_include_loop_fqcn.yml
new file mode 100644
index 00000000000..62d91f227d5
--- /dev/null
+++ b/test/integration/targets/include_import/test_include_loop_fqcn.yml
@@ -0,0 +1,17 @@
+- hosts: localhost
+  gather_facts: false
+  tasks:
+    - name: skipped include undefined loop
+      ansible.builtin.include_tasks: doesnt_matter.yml
+      loop: '{{ lkjsdflkjsdlfkjsdlfkjsdf }}'
+      when: false
+      register: skipped_include
+
+    - debug:
+        var: skipped_include
+
+    - assert:
+        that:
+          - skipped_include.results is undefined
+          - skipped_include.skip_reason is defined
+          - skipped_include is skipped
diff --git a/test/integration/targets/include_import/test_nested_tasks_fqcn.yml b/test/integration/targets/include_import/test_nested_tasks_fqcn.yml
new file mode 100644
index 00000000000..14e72eed1bf
--- /dev/null
+++ b/test/integration/targets/include_import/test_nested_tasks_fqcn.yml
@@ -0,0 +1,6 @@
+- name: >-
+    verify that multiple level of nested statements and
+    include+meta doesnt mess included files mecanisms
+  hosts: testhost
+  tasks:
+    - ansible.builtin.include_tasks: ./tasks/nested/nested.yml
diff --git a/test/integration/targets/include_import/test_role_recursion_fqcn.yml b/test/integration/targets/include_import/test_role_recursion_fqcn.yml
new file mode 100644
index 00000000000..13d8d2cbd26
--- /dev/null
+++ b/test/integration/targets/include_import/test_role_recursion_fqcn.yml
@@ -0,0 +1,7 @@
+- name: Test max recursion depth
+  hosts: testhost
+
+  tasks:
+    - ansible.builtin.import_role:
+        name: role1
+        tasks_from: r1t01.yml
diff --git a/test/integration/targets/include_vars/tasks/main.yml b/test/integration/targets/include_vars/tasks/main.yml
index ab2442c6fa2..799d7b26a66 100644
--- a/test/integration/targets/include_vars/tasks/main.yml
+++ b/test/integration/targets/include_vars/tasks/main.yml
@@ -65,12 +65,12 @@
       - "testing == 456"
       - "base_dir == 'services'"
       - "webapp_containers == 10"
-      - "{{ include_every_dir.ansible_included_var_files | length }} == 6"
+      - "{{ include_every_dir.ansible_included_var_files | length }} == 7"
       - "'vars/all/all.yml' in include_every_dir.ansible_included_var_files[0]"
       - "'vars/environments/development/all.yml' in include_every_dir.ansible_included_var_files[1]"
       - "'vars/environments/development/services/webapp.yml' in include_every_dir.ansible_included_var_files[2]"
-      - "'vars/services/webapp.yml' in include_every_dir.ansible_included_var_files[4]"
-      - "'vars/webapp/file_without_extension' in include_every_dir.ansible_included_var_files[5]"
+      - "'vars/services/webapp.yml' in include_every_dir.ansible_included_var_files[5]"
+      - "'vars/webapp/file_without_extension' in include_every_dir.ansible_included_var_files[6]"
 
 - name: include every directory in vars except files matching webapp.yml
   include_vars:
@@ -85,7 +85,7 @@
     that:
       - "testing == 789"
       - "base_dir == 'environments/development'"
-      - "{{ include_without_webapp.ansible_included_var_files | length }} == 3"
+      - "{{ include_without_webapp.ansible_included_var_files | length }} == 4"
       - "'webapp.yml' not in '{{ include_without_webapp.ansible_included_var_files | join(' ') }}'"
       - "'file_without_extension' not in '{{ include_without_webapp.ansible_included_var_files | join(' ') }}'"
 
@@ -152,3 +152,13 @@
   assert:
     that:
       - "'Could not find file' in include_with_non_existent_file.message"
+
+- name: include var (FQCN) with raw params
+  ansible.builtin.include_vars: >
+    services/service_vars_fqcn.yml
+
+- name: Verify that FQCN of include_vars works
+  assert:
+    that:
+      - "'my_custom_service' == service_name_fqcn"
+      - "'my_custom_service' == service_name_tmpl_fqcn"
diff --git a/test/integration/targets/include_vars/vars/services/service_vars_fqcn.yml b/test/integration/targets/include_vars/vars/services/service_vars_fqcn.yml
new file mode 100644
index 00000000000..2c04fee505a
--- /dev/null
+++ b/test/integration/targets/include_vars/vars/services/service_vars_fqcn.yml
@@ -0,0 +1,3 @@
+---
+service_name_fqcn: 'my_custom_service'
+service_name_tmpl_fqcn: '{{ service_name_fqcn }}'
\ No newline at end of file
diff --git a/test/integration/targets/includes/roles/test_includes_free/tasks/inner_fqcn.yml b/test/integration/targets/includes/roles/test_includes_free/tasks/inner_fqcn.yml
new file mode 100644
index 00000000000..5b4ce04041c
--- /dev/null
+++ b/test/integration/targets/includes/roles/test_includes_free/tasks/inner_fqcn.yml
@@ -0,0 +1,2 @@
+- set_fact:
+    inner_fqcn: "reached"
diff --git a/test/integration/targets/includes/roles/test_includes_free/tasks/main.yml b/test/integration/targets/includes/roles/test_includes_free/tasks/main.yml
index 7bc19faae1f..5ae7882f4cd 100644
--- a/test/integration/targets/includes/roles/test_includes_free/tasks/main.yml
+++ b/test/integration/targets/includes/roles/test_includes_free/tasks/main.yml
@@ -4,3 +4,6 @@
 - include: inner.yml
   with_items:
   - '1'
+- ansible.builtin.include: inner_fqcn.yml
+  with_items:
+  - '1'
diff --git a/test/integration/targets/includes/test_include_free.yml b/test/integration/targets/includes/test_include_free.yml
index 4cdc1bca50a..dedad734852 100644
--- a/test/integration/targets/includes/test_include_free.yml
+++ b/test/integration/targets/includes/test_include_free.yml
@@ -7,3 +7,4 @@
     - assert:
         that:
           - "inner == 'reached'"
+          - "inner_fqcn == 'reached'"
diff --git a/test/integration/targets/meta_tasks/runme.sh b/test/integration/targets/meta_tasks/runme.sh
index b617965df45..3f456def5c0 100755
--- a/test/integration/targets/meta_tasks/runme.sh
+++ b/test/integration/targets/meta_tasks/runme.sh
@@ -10,6 +10,13 @@ for test_strategy in linear free; do
   grep -q "META: ending play for testhost2" <<< "$out"
   grep -q "play not ended for testhost" <<< "$out"
   grep -qv "play not ended for testhost2" <<< "$out"
+
+  out="$(ansible-playbook test_end_host_fqcn.yml -i inventory.yml -e test_strategy=$test_strategy -vv "$@")"
+
+  grep -q "META: end_host conditional evaluated to false, continuing execution for testhost" <<< "$out"
+  grep -q "META: ending play for testhost2" <<< "$out"
+  grep -q "play not ended for testhost" <<< "$out"
+  grep -qv "play not ended for testhost2" <<< "$out"
 done
 
 # test end_host meta task, on all hosts
@@ -20,6 +27,13 @@ for test_strategy in linear free; do
   grep -q "META: ending play for testhost2" <<< "$out"
   grep -qv "play not ended for testhost" <<< "$out"
   grep -qv "play not ended for testhost2" <<< "$out"
+
+  out="$(ansible-playbook test_end_host_all_fqcn.yml -i inventory.yml -e test_strategy=$test_strategy -vv "$@")"
+
+  grep -q "META: ending play for testhost" <<< "$out"
+  grep -q "META: ending play for testhost2" <<< "$out"
+  grep -qv "play not ended for testhost" <<< "$out"
+  grep -qv "play not ended for testhost2" <<< "$out"
 done
 
 # test end_play meta task
@@ -28,4 +42,9 @@ for test_strategy in linear free; do
 
   grep -q "META: ending play" <<< "$out"
   grep -qv 'Failed to end using end_play' <<< "$out"
+
+  out="$(ansible-playbook test_end_play_fqcn.yml -i inventory.yml -e test_strategy=$test_strategy -vv "$@")"
+
+  grep -q "META: ending play" <<< "$out"
+  grep -qv 'Failed to end using end_play' <<< "$out"
 done
diff --git a/test/integration/targets/meta_tasks/test_end_host_all_fqcn.yml b/test/integration/targets/meta_tasks/test_end_host_all_fqcn.yml
new file mode 100644
index 00000000000..78b5a2e9c88
--- /dev/null
+++ b/test/integration/targets/meta_tasks/test_end_host_all_fqcn.yml
@@ -0,0 +1,13 @@
+- name: "Testing end_host all hosts with strategy={{ test_strategy | default('linear') }}"
+  hosts:
+    - testhost
+    - testhost2
+  gather_facts: no
+  strategy: "{{ test_strategy | default('linear') }}"
+  tasks:
+    - debug:
+
+    - ansible.builtin.meta: end_host
+
+    - debug:
+        msg: "play not ended {{ inventory_hostname }}"
diff --git a/test/integration/targets/meta_tasks/test_end_host_fqcn.yml b/test/integration/targets/meta_tasks/test_end_host_fqcn.yml
new file mode 100644
index 00000000000..bdb38b536e7
--- /dev/null
+++ b/test/integration/targets/meta_tasks/test_end_host_fqcn.yml
@@ -0,0 +1,14 @@
+- name: "Testing end_host with strategy={{ test_strategy | default('linear') }}"
+  hosts:
+    - testhost
+    - testhost2
+  gather_facts: no
+  strategy: "{{ test_strategy | default('linear') }}"
+  tasks:
+    - debug:
+
+    - ansible.builtin.meta: end_host
+      when: "host_var_role_name == 'role2'"  # end play for testhost2, see inventory
+
+    - debug:
+        msg: "play not ended for {{ inventory_hostname }}"
diff --git a/test/integration/targets/meta_tasks/test_end_play_fqcn.yml b/test/integration/targets/meta_tasks/test_end_play_fqcn.yml
new file mode 100644
index 00000000000..2ae67fbea20
--- /dev/null
+++ b/test/integration/targets/meta_tasks/test_end_play_fqcn.yml
@@ -0,0 +1,12 @@
+- name: Testing end_play with strategy {{ test_strategy | default('linear') }}
+  hosts: testhost:testhost2
+  gather_facts: no
+  strategy: "{{ test_strategy | default('linear') }}"
+  tasks:
+    - debug:
+        msg: "Testing end_play on host {{ inventory_hostname }}"
+
+    - ansible.builtin.meta: end_play
+
+    - fail:
+        msg: 'Failed to end using end_play'
diff --git a/test/integration/targets/set_fact/incremental.yml b/test/integration/targets/set_fact/incremental.yml
index 03da5bb6c87..3f7aa6c492c 100644
--- a/test/integration/targets/set_fact/incremental.yml
+++ b/test/integration/targets/set_fact/incremental.yml
@@ -17,3 +17,19 @@
       assert:
         that:
            - dig_list == ['one', 'two', 'three', 'four']
+
+    - name: Generate inline loop for set_fact (FQCN)
+      ansible.builtin.set_fact:
+        dig_list_fqcn: "{{ dig_list_fqcn + [ item ] }}"
+      loop:
+        - two
+        - three
+        - four
+      vars:
+        dig_list_fqcn:
+            - one
+
+    - name: verify cumulative set fact worked (FQCN)
+      assert:
+        that:
+           - dig_list_fqcn == ['one', 'two', 'three', 'four']
diff --git a/test/integration/targets/set_fact/nowarn_clean_facts.yml b/test/integration/targets/set_fact/nowarn_clean_facts.yml
index 9cde7c64979..74f908d0479 100644
--- a/test/integration/targets/set_fact/nowarn_clean_facts.yml
+++ b/test/integration/targets/set_fact/nowarn_clean_facts.yml
@@ -5,3 +5,6 @@
     - name: set ssh jump host args
       set_fact:
         ansible_ssh_common_args: "-o ProxyCommand='ssh -W %h:%p -q root@localhost'"
+    - name: set ssh jump host args (FQCN)
+      ansible.builtin.set_fact:
+        ansible_ssh_common_args: "-o ProxyCommand='ssh -W %h:%p -q root@localhost'"
diff --git a/test/integration/targets/set_fact/set_fact_bool_conv.yml b/test/integration/targets/set_fact/set_fact_bool_conv.yml
index 2e06d75c87f..8df249bee21 100644
--- a/test/integration/targets/set_fact/set_fact_bool_conv.yml
+++ b/test/integration/targets/set_fact/set_fact_bool_conv.yml
@@ -18,3 +18,18 @@
           - this_is_also_string == False
           - this_is_another_string == False
           - this_is_more_strings == False
+
+    - ansible.builtin.set_fact:
+        this_is_string_fqcn: "yes"
+        this_is_not_string_fqcn: yes
+        this_is_also_string_fqcn: "{{ string_var }}"
+        this_is_another_string_fqcn: !!str "{% set thing = '' + string_var + '' %}{{ thing }}"
+        this_is_more_strings_fqcn: '{{ string_var + "" }}'
+
+    - assert:
+        that:
+          - this_is_string_fqcn == True
+          - this_is_not_string_fqcn == True
+          - this_is_also_string_fqcn == False
+          - this_is_another_string_fqcn == False
+          - this_is_more_strings_fqcn == False
diff --git a/test/integration/targets/set_fact/set_fact_bool_conv_jinja2_native.yml b/test/integration/targets/set_fact/set_fact_bool_conv_jinja2_native.yml
index 4721f4374f7..2642599f489 100644
--- a/test/integration/targets/set_fact/set_fact_bool_conv_jinja2_native.yml
+++ b/test/integration/targets/set_fact/set_fact_bool_conv_jinja2_native.yml
@@ -18,3 +18,18 @@
           - this_is_also_string == 'no'
           - this_is_another_string == 'no'
           - this_is_more_strings == 'no'
+
+    - ansible.builtin.set_fact:
+        this_is_string_fqcn: "yes"
+        this_is_not_string_fqcn: yes
+        this_is_also_string_fqcn: "{{ string_var }}"
+        this_is_another_string_fqcn: !!str "{% set thing = '' + string_var + '' %}{{ thing }}"
+        this_is_more_strings_fqcn: '{{ string_var + "" }}'
+
+    - assert:
+        that:
+          - this_is_string_fqcn == 'yes'
+          - this_is_not_string_fqcn == True
+          - this_is_also_string_fqcn == 'no'
+          - this_is_another_string_fqcn == 'no'
+          - this_is_more_strings_fqcn == 'no'
diff --git a/test/integration/targets/set_fact/set_fact_cached_1.yml b/test/integration/targets/set_fact/set_fact_cached_1.yml
index 450f8da28ea..01c9f1e021c 100644
--- a/test/integration/targets/set_fact/set_fact_cached_1.yml
+++ b/test/integration/targets/set_fact/set_fact_cached_1.yml
@@ -45,6 +45,49 @@
         that:
           - fact_not_cached == 'this_should_not_be_cached!'
 
+    - name: show foobar fact before (FQCN)
+      debug:
+        var: ansible_foobar_fqcn
+
+    - name: set a persistent fact foobar (FQCN)
+      set_fact:
+        ansible_foobar_fqcn: 'foobar_fqcn_from_set_fact_cacheable'
+        cacheable: true
+
+    - name: show foobar fact after (FQCN)
+      debug:
+        var: ansible_foobar_fqcn
+
+    - name: assert ansible_foobar_fqcn is correct value (FQCN)
+      assert:
+        that:
+          - ansible_foobar_fqcn == 'foobar_fqcn_from_set_fact_cacheable'
+
+    - name: set a non persistent fact that will not be cached (FQCN)
+      set_fact:
+        ansible_foobar_not_cached_fqcn: 'this_should_not_be_cached'
+
+    - name: show ansible_foobar_not_cached_fqcn fact after being set (FQCN)
+      debug:
+        var: ansible_foobar_not_cached_fqcn
+
+    - name: assert ansible_foobar_not_cached_fqcn is correct value (FQCN)
+      assert:
+        that:
+          - ansible_foobar_not_cached_fqcn == 'this_should_not_be_cached'
+
+    - name: set another non persistent fact that will not be cached (FQCN)
+      set_fact: "cacheable=no fact_not_cached_fqcn='this_should_not_be_cached!'"
+
+    - name: show fact_not_cached_fqcn fact after being set (FQCN)
+      debug:
+        var: fact_not_cached_fqcn
+
+    - name: assert fact_not_cached_fqcn is correct value (FQCN)
+      assert:
+        that:
+          - fact_not_cached_fqcn == 'this_should_not_be_cached!'
+
 - name: the second play
   hosts: localhost
   tasks:
@@ -57,26 +100,43 @@
         that:
           - ansible_foobar == 'foobar_from_set_fact_cacheable'
 
-- name: show ansible_nodename
+    - name: show foobar fact after second play (FQCN)
+      debug:
+        var: ansible_foobar_fqcn
+
+    - name: assert ansible_foobar is correct value (FQCN)
+      assert:
+        that:
+          - ansible_foobar_fqcn == 'foobar_fqcn_from_set_fact_cacheable'
+
+- name: show ansible_nodename and ansible_os_family
   hosts: localhost
   tasks:
     - name: show nodename fact after second play
       debug:
         var: ansible_nodename
+    - name: show os_family fact after second play (FQCN)
+      debug:
+        var: ansible_os_family
 
-- name: show ansible_nodename overridden with var
+- name: show ansible_nodename and ansible_os_family overridden with var
   hosts: localhost
   vars:
     ansible_nodename: 'nodename_from_play_vars'
+    ansible_os_family: 'os_family_from_play_vars'
   tasks:
     - name: show nodename fact after second play
       debug:
         var: ansible_nodename
+    - name: show os_family fact after second play (FQCN)
+      debug:
+        var: ansible_os_family
 
 - name: verify ansible_nodename from vars overrides the fact
   hosts: localhost
   vars:
     ansible_nodename: 'nodename_from_play_vars'
+    ansible_os_family: 'os_family_from_play_vars'
   tasks:
     - name: show nodename fact
       debug:
@@ -87,7 +147,16 @@
         that:
           - ansible_nodename == 'nodename_from_play_vars'
 
-- name: set_fact ansible_nodename
+    - name: show os_family fact (FQCN)
+      debug:
+        var: ansible_os_family
+
+    - name: assert ansible_os_family is correct value (FQCN)
+      assert:
+        that:
+          - ansible_os_family == 'os_family_from_play_vars'
+
+- name: set_fact ansible_nodename and ansible_os_family
   hosts: localhost
   tasks:
     - name: set a persistent fact nodename
@@ -103,10 +172,24 @@
         that:
           - ansible_nodename == 'nodename_from_set_fact_cacheable'
 
-- name: verify that set_fact ansible_nodename non_cacheable overrides ansible_nodename in vars
+    - name: set a persistent fact os_family (FQCN)
+      ansible.builtin.set_fact:
+        ansible_os_family: 'os_family_from_set_fact_cacheable'
+
+    - name: show os_family fact (FQCN)
+      debug:
+        var: ansible_os_family
+
+    - name: assert ansible_os_family is correct value (FQCN)
+      assert:
+        that:
+          - ansible_os_family == 'os_family_from_set_fact_cacheable'
+
+- name: verify that set_fact ansible_xxx non_cacheable overrides ansible_xxx in vars
   hosts: localhost
   vars:
     ansible_nodename: 'nodename_from_play_vars'
+    ansible_os_family: 'os_family_from_play_vars'
   tasks:
     - name: show nodename fact
       debug:
@@ -117,10 +200,20 @@
         that:
           - ansible_nodename == 'nodename_from_set_fact_cacheable'
 
-- name: verify that set_fact_cacheable in previous play overrides ansible_nodename in vars
+    - name: show os_family fact (FQCN)
+      debug:
+        var: ansible_os_family
+
+    - name: assert ansible_os_family is correct value (FQCN)
+      assert:
+        that:
+          - ansible_os_family == 'os_family_from_set_fact_cacheable'
+
+- name: verify that set_fact_cacheable in previous play overrides ansible_xxx in vars
   hosts: localhost
   vars:
     ansible_nodename: 'nodename_from_play_vars'
+    ansible_os_family: 'os_family_from_play_vars'
   tasks:
     - name: show nodename fact
       debug:
@@ -131,7 +224,16 @@
         that:
           - ansible_nodename == 'nodename_from_set_fact_cacheable'
 
-- name: set_fact ansible_nodename cacheable
+    - name: show os_family fact (FQCN)
+      debug:
+        var: ansible_os_family
+
+    - name: assert ansible_os_family is correct value (FQCN)
+      assert:
+        that:
+          - ansible_os_family == 'os_family_from_set_fact_cacheable'
+
+- name: set_fact ansible_nodename and ansible_os_family cacheable
   hosts: localhost
   tasks:
     - name: set a persistent fact nodename
@@ -148,11 +250,26 @@
         that:
           - ansible_nodename == 'nodename_from_set_fact_cacheable'
 
+    - name: set a persistent fact os_family (FQCN)
+      ansible.builtin.set_fact:
+        ansible_os_family: 'os_family_from_set_fact_cacheable'
+        cacheable: true
 
-- name: verify that set_fact_cacheable in previous play overrides ansible_nodename in vars
+    - name: show os_family fact (FQCN)
+      debug:
+        var: ansible_os_family
+
+    - name: assert ansible_os_family is correct value (FQCN)
+      assert:
+        that:
+          - ansible_os_family == 'os_family_from_set_fact_cacheable'
+
+
+- name: verify that set_fact_cacheable in previous play overrides ansible_xxx in vars
   hosts: localhost
   vars:
     ansible_nodename: 'nodename_from_play_vars'
+    ansible_os_family: 'os_family_from_play_vars'
   tasks:
     - name: show nodename fact
       debug:
@@ -163,10 +280,20 @@
         that:
           - ansible_nodename == 'nodename_from_set_fact_cacheable'
 
+    - name: show os_family fact (FQCN)
+      debug:
+        var: ansible_os_family
+
+    - name: assert ansible_os_family is correct value (FQCN)
+      assert:
+        that:
+          - ansible_os_family == 'os_family_from_set_fact_cacheable'
+
 - name: the fourth play
   hosts: localhost
   vars:
     ansible_foobar: 'foobar_from_play_vars'
+    ansible_foobar_fqcn: 'foobar_fqcn_from_play_vars'
   tasks:
     - name: show example fact
       debug:
@@ -181,3 +308,17 @@
       assert:
         that:
           - ansible_example == 'foobar_from_set_fact_cacheable'
+
+    - name: show example fact (FQCN)
+      debug:
+        var: ansible_example_fqcn
+
+    - name: set a persistent fact example (FQCN)
+      set_fact:
+        ansible_example_fqcn: 'foobar_fqcn_from_set_fact_cacheable'
+        cacheable: true
+
+    - name: assert ansible_example_fqcn is correct value (FQCN)
+      assert:
+        that:
+          - ansible_example_fqcn == 'foobar_fqcn_from_set_fact_cacheable'
diff --git a/test/integration/targets/set_fact/set_fact_cached_2.yml b/test/integration/targets/set_fact/set_fact_cached_2.yml
index 7ca26b9dcb0..7df9224403a 100644
--- a/test/integration/targets/set_fact/set_fact_cached_2.yml
+++ b/test/integration/targets/set_fact/set_fact_cached_2.yml
@@ -28,3 +28,30 @@
       assert:
         that:
           - fact_not_cached is undefined
+
+    - name: show ansible_foobar_fqcn fact (FQCN)
+      debug:
+        var: ansible_foobar_fqcn
+
+    - name: assert ansible_foobar_fqcn is correct value when read from cache (FQCN)
+      assert:
+        that:
+          - ansible_foobar_fqcn == 'foobar_fqcn_from_set_fact_cacheable'
+
+    - name: show ansible_foobar_fqcn_not_cached fact (FQCN)
+      debug:
+        var: ansible_foobar_fqcn_not_cached
+
+    - name: assert ansible_foobar_fqcn_not_cached is not cached (FQCN)
+      assert:
+        that:
+          - ansible_foobar_fqcn_not_cached is undefined
+
+    - name: show fact_not_cached_fqcn fact (FQCN)
+      debug:
+        var: fact_not_cached_fqcn
+
+    - name: assert fact_not_cached_fqcn is not cached (FQCN)
+      assert:
+        that:
+          - fact_not_cached_fqcn is undefined
diff --git a/test/integration/targets/set_fact/set_fact_no_cache.yml b/test/integration/targets/set_fact/set_fact_no_cache.yml
index 3dffb65f550..f5a99792f1b 100644
--- a/test/integration/targets/set_fact/set_fact_no_cache.yml
+++ b/test/integration/targets/set_fact/set_fact_no_cache.yml
@@ -19,3 +19,21 @@
       assert:
         that:
           - ansible_foobar_not_cached is undefined
+
+    - name: show ansible_foobar fact (FQCN)
+      debug:
+        var: ansible_foobar_fqcn
+
+    - name: assert ansible_foobar is correct value (FQCN)
+      assert:
+        that:
+          - ansible_foobar_fqcn is undefined
+
+    - name: show ansible_foobar_not_cached fact (FQCN)
+      debug:
+        var: ansible_foobar_fqcn_not_cached
+
+    - name: assert ansible_foobar_not_cached is not cached (FQCN)
+      assert:
+        that:
+          - ansible_foobar_fqcn_not_cached is undefined