diff --git a/docs/cog_guides/core.rst b/docs/cog_guides/core.rst
index 1a66dfef5..fcca56a6f 100644
--- a/docs/cog_guides/core.rst
+++ b/docs/cog_guides/core.rst
@@ -1173,7 +1173,7 @@ embedset channel
 
 .. code-block:: none
 
-    [p]embedset channel [enabled]
+    [p]embedset channel <channel> [enabled]
 
 **Description**
 
@@ -1187,10 +1187,12 @@ If enabled is left blank, the setting will be unset and the guild default will b
 To see full evaluation order of embed settings, run ``[p]help embedset``.
 
 **Examples:**
-    - ``[p]embedset channel False`` - Disables embeds in this channel.
-    - ``[p]embedset channel`` - Resets value to use guild default.
+    - ``[p]embedset channel #text-channel False`` - Disables embeds in the #text-channel.
+    - ``[p]embedset channel #forum-channel disable`` - Disables embeds in the #forum-channel.
+    - ``[p]embedset channel #text-channel`` - Resets value to use guild default in the #text-channel.
 
 **Arguments:**
+    - ``<channel>`` - The text, voice, stage, or forum channel to set embed setting for.
     - ``[enabled]`` - Whether to use embeds in this channel. Leave blank to reset to default.
 
 .. _core-command-embedset-command:
diff --git a/docs/cog_guides/filter.rst b/docs/cog_guides/filter.rst
index e8c9167d3..d429a12ae 100644
--- a/docs/cog_guides/filter.rst
+++ b/docs/cog_guides/filter.rst
@@ -115,11 +115,12 @@ Add words to the filter.
 Use double quotes to add sentences.
 
 Examples:
-    - ``[p]filter channel add word1 word2 word3``
-    - ``[p]filter channel add "This is a sentence"``
+    - ``[p]filter channel add #channel word1 word2 word3``
+    - ``[p]filter channel add #channel "This is a sentence"``
 
 **Arguments:**
 
+- ``<channel>`` The text, voice, stage, or forum channel to add filtered words to.
 - ``[words...]`` The words or sentences to filter.
 
 .. _filter-command-filter-channel-clear:
@@ -164,7 +165,7 @@ filter channel remove
 
 .. code-block:: none
 
-    [p]filter channel remove [words...]
+    [p]filter channel remove <channel> [words...]
 
 **Description**
 
@@ -173,11 +174,12 @@ Remove words from the filter.
 Use double quotes to remove sentences.
 
 Examples:
-    - ``[p]filter channel remove word1 word2 word3``
-    - ``[p]filter channel remove "This is a sentence"``
+    - ``[p]filter channel remove #channel word1 word2 word3``
+    - ``[p]filter channel remove #channel "This is a sentence"``
 
 **Arguments:**
 
+- ``<channel>`` The text, voice, stage, or forum channel to add filtered words to.
 - ``[words...]`` The words or sentences to no longer filter.
 
 .. _filter-command-filter-clear:
diff --git a/docs/cog_permissions.rst b/docs/cog_permissions.rst
index f9b263f7f..d161214bf 100644
--- a/docs/cog_permissions.rst
+++ b/docs/cog_permissions.rst
@@ -31,7 +31,7 @@ In terms of scope, global rules will be checked first, then server rules.
 For each of those, the first rule pertaining to one of the following models will be used:
 
 1. User
-2. Voice channel a user is connected to
+2. Voice/stage channel a user is connected to
 3. The channel command was issued in (parent channel in case of invocations in threads)
 4. Channel category
 5. Roles, highest to lowest
diff --git a/docs/incompatible_changes/3.5.rst b/docs/incompatible_changes/3.5.rst
index f43f14c14..7ea49c90d 100644
--- a/docs/incompatible_changes/3.5.rst
+++ b/docs/incompatible_changes/3.5.rst
@@ -325,19 +325,19 @@ Here's an example of a list of versions sorted using the new order (oldest versi
 - 3.5.0.post1
 - 3.5.1
 
-``Red.get_owner_notification_destinations()`` may return a ``discord.VoiceChannel`` instance now
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+``Red.get_owner_notification_destinations()`` may now return instances of ``discord.Voice/StageChannel``
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-With the introduction of Text in Voice feature, we added the ability to add a voice channel
+With the introduction of Text in Voice feature, we added the ability to add a voice/stage channel
 as an owner notifications destination. This means that `redbot.core.modlog.get_modlog_channel()`
-may now return an instance of `discord.VoiceChannel`.
+may now return instances of `discord.VoiceChannel` and `discord.StageChannel`.
 
-``modlog.get_modlog_channel()`` may return a ``discord.VoiceChannel`` instance now
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+``modlog.get_modlog_channel()`` may now return instances of ``discord.Voice/StageChannel``
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 With the introduction of Text in Voice feature, we added the ability to set a modlog
-channel to a voice channel. This means that `redbot.core.modlog.get_modlog_channel()`
-may now return an instance of `discord.VoiceChannel`.
+channel to a voice/stage channel. This means that `redbot.core.modlog.get_modlog_channel()`
+may now return instances of `discord.VoiceChannel` and `discord.StageChannel`.
 
 ``menus.DEFAULT_CONTROLS`` and ``ReactionPredicate.*_EMOJIS`` use immutable types now
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
diff --git a/redbot/cogs/admin/admin.py b/redbot/cogs/admin/admin.py
index d5bfeb3a5..73e2e5f8d 100644
--- a/redbot/cogs/admin/admin.py
+++ b/redbot/cogs/admin/admin.py
@@ -357,7 +357,10 @@ class Admin(commands.Cog):
 
     @announceset.command(name="channel")
     async def announceset_channel(
-        self, ctx, *, channel: Union[discord.TextChannel, discord.VoiceChannel]
+        self,
+        ctx,
+        *,
+        channel: Union[discord.TextChannel, discord.VoiceChannel, discord.StageChannel],
     ):
         """Change the channel where the bot will send announcements."""
         await self.config.guild(ctx.guild).announce_channel.set(channel.id)
diff --git a/redbot/cogs/audio/core/abc.py b/redbot/cogs/audio/core/abc.py
index 66483f974..bbf85e876 100644
--- a/redbot/cogs/audio/core/abc.py
+++ b/redbot/cogs/audio/core/abc.py
@@ -197,7 +197,13 @@ class MixinMeta(ABC):
         self,
         config: Config,
         ctx_or_channel: Optional[
-            Union[Context, discord.TextChannel, discord.VoiceChannel, discord.Thread]
+            Union[
+                Context,
+                discord.TextChannel,
+                discord.VoiceChannel,
+                discord.StageChannel,
+                discord.Thread,
+            ]
         ],
         query: str,
         query_obj: Query,
@@ -253,7 +259,10 @@ class MixinMeta(ABC):
 
     @abstractmethod
     def _has_notify_perms(
-        self, channel: Union[discord.TextChannel, discord.VoiceChannel, discord.Thread]
+        self,
+        channel: Union[
+            discord.TextChannel, discord.VoiceChannel, discord.StageChannel, discord.Thread
+        ],
     ) -> bool:
         raise NotImplementedError()
 
diff --git a/redbot/cogs/audio/core/utilities/miscellaneous.py b/redbot/cogs/audio/core/utilities/miscellaneous.py
index 959b61351..4e3edce30 100644
--- a/redbot/cogs/audio/core/utilities/miscellaneous.py
+++ b/redbot/cogs/audio/core/utilities/miscellaneous.py
@@ -100,7 +100,10 @@ class MiscellaneousUtilities(MixinMeta, metaclass=CompositeMetaClass):
         return await ctx.send(embed=embed)
 
     def _has_notify_perms(
-        self, channel: Union[discord.TextChannel, discord.VoiceChannel, discord.Thread]
+        self,
+        channel: Union[
+            discord.TextChannel, discord.VoiceChannel, discord.StageChannel, discord.Thread
+        ],
     ) -> bool:
         perms = channel.permissions_for(channel.guild.me)
         return all((can_user_send_messages_in(channel.guild.me, channel), perms.embed_links))
diff --git a/redbot/cogs/audio/core/utilities/validation.py b/redbot/cogs/audio/core/utilities/validation.py
index 4ba82c96f..f75e527ed 100644
--- a/redbot/cogs/audio/core/utilities/validation.py
+++ b/redbot/cogs/audio/core/utilities/validation.py
@@ -61,7 +61,13 @@ class ValidationUtilities(MixinMeta, metaclass=CompositeMetaClass):
         self,
         config: Config,
         ctx_or_channel: Optional[
-            Union[Context, discord.TextChannel, discord.VoiceChannel, discord.Thread]
+            Union[
+                Context,
+                discord.TextChannel,
+                discord.VoiceChannel,
+                discord.StageChannel,
+                discord.Thread,
+            ]
         ],
         query: str,
         query_obj: Query,
diff --git a/redbot/cogs/cleanup/cleanup.py b/redbot/cogs/cleanup/cleanup.py
index 783d9a315..88a38a27e 100644
--- a/redbot/cogs/cleanup/cleanup.py
+++ b/redbot/cogs/cleanup/cleanup.py
@@ -76,7 +76,11 @@ class Cleanup(commands.Cog):
     async def get_messages_for_deletion(
         *,
         channel: Union[
-            discord.TextChannel, discord.VoiceChannel, discord.DMChannel, discord.Thread
+            discord.TextChannel,
+            discord.VoiceChannel,
+            discord.StageChannel,
+            discord.DMChannel,
+            discord.Thread,
         ],
         number: Optional[int] = None,
         check: Callable[[discord.Message], bool] = lambda x: True,
@@ -132,7 +136,11 @@ class Cleanup(commands.Cog):
         self,
         num: int,
         channel: Union[
-            discord.TextChannel, discord.VoiceChannel, discord.DMChannel, discord.Thread
+            discord.TextChannel,
+            discord.VoiceChannel,
+            discord.StageChannel,
+            discord.DMChannel,
+            discord.Thread,
         ],
         *,
         subtract_invoking: bool = False,
@@ -153,7 +161,9 @@ class Cleanup(commands.Cog):
 
     @staticmethod
     async def get_message_from_reference(
-        channel: Union[discord.TextChannel, discord.VoiceChannel, discord.Thread],
+        channel: Union[
+            discord.TextChannel, discord.VoiceChannel, discord.StageChannel, discord.Thread
+        ],
         reference: discord.MessageReference,
     ) -> Optional[discord.Message]:
         message = None
diff --git a/redbot/cogs/filter/filter.py b/redbot/cogs/filter/filter.py
index 79a496dde..c8cc2c2d9 100644
--- a/redbot/cogs/filter/filter.py
+++ b/redbot/cogs/filter/filter.py
@@ -254,7 +254,9 @@ class Filter(commands.Cog):
     async def filter_channel_add(
         self,
         ctx: commands.Context,
-        channel: Union[discord.TextChannel, discord.VoiceChannel, discord.ForumChannel],
+        channel: Union[
+            discord.TextChannel, discord.VoiceChannel, discord.StageChannel, discord.ForumChannel
+        ],
         *words: str,
     ):
         """Add words to the filter.
@@ -267,7 +269,7 @@ class Filter(commands.Cog):
 
         **Arguments:**
 
-        - `<channel>` The text, voice, or forum channel to add filtered words to.
+        - `<channel>` The text, voice, stage, or forum channel to add filtered words to.
         - `[words...]` The words or sentences to filter.
         """
         added = await self.add_to_filter(channel, words)
@@ -281,7 +283,9 @@ class Filter(commands.Cog):
     async def filter_channel_remove(
         self,
         ctx: commands.Context,
-        channel: Union[discord.TextChannel, discord.VoiceChannel, discord.ForumChannel],
+        channel: Union[
+            discord.TextChannel, discord.VoiceChannel, discord.StageChannel, discord.ForumChannel
+        ],
         *words: str,
     ):
         """Remove words from the filter.
@@ -294,7 +298,7 @@ class Filter(commands.Cog):
 
         **Arguments:**
 
-        - `<channel>` The text, voice, or forum channel to add filtered words to.
+        - `<channel>` The text, voice, stage, or forum channel to add filtered words to.
         - `[words...]` The words or sentences to no longer filter.
         """
         removed = await self.remove_from_filter(channel, words)
@@ -368,7 +372,12 @@ class Filter(commands.Cog):
         self,
         guild: discord.Guild,
         channel: Optional[
-            Union[discord.TextChannel, discord.VoiceChannel, discord.ForumChannel]
+            Union[
+                discord.TextChannel,
+                discord.VoiceChannel,
+                discord.StageChannel,
+                discord.ForumChannel,
+            ]
         ] = None,
     ) -> None:
         """Invalidate a cached pattern"""
@@ -381,7 +390,11 @@ class Filter(commands.Cog):
     async def add_to_filter(
         self,
         server_or_channel: Union[
-            discord.Guild, discord.TextChannel, discord.VoiceChannel, discord.ForumChannel
+            discord.Guild,
+            discord.TextChannel,
+            discord.VoiceChannel,
+            discord.StageChannel,
+            discord.ForumChannel,
         ],
         words: list,
     ) -> bool:
@@ -405,7 +418,11 @@ class Filter(commands.Cog):
     async def remove_from_filter(
         self,
         server_or_channel: Union[
-            discord.Guild, discord.TextChannel, discord.VoiceChannel, discord.ForumChannel
+            discord.Guild,
+            discord.TextChannel,
+            discord.VoiceChannel,
+            discord.StageChannel,
+            discord.ForumChannel,
         ],
         words: list,
     ) -> bool:
@@ -430,7 +447,11 @@ class Filter(commands.Cog):
         self,
         text: str,
         server_or_channel: Union[
-            discord.Guild, discord.TextChannel, discord.VoiceChannel, discord.Thread
+            discord.Guild,
+            discord.TextChannel,
+            discord.VoiceChannel,
+            discord.StageChannel,
+            discord.Thread,
         ],
     ) -> Set[str]:
         if isinstance(server_or_channel, discord.Guild):
diff --git a/redbot/cogs/mutes/mutes.py b/redbot/cogs/mutes/mutes.py
index 180f941b6..1fcc5a253 100644
--- a/redbot/cogs/mutes/mutes.py
+++ b/redbot/cogs/mutes/mutes.py
@@ -860,7 +860,9 @@ class Mutes(VoiceMutes, commands.Cog, metaclass=CompositeMetaClass):
     async def notification_channel_set(
         self,
         ctx: commands.Context,
-        channel: Optional[Union[discord.TextChannel, discord.VoiceChannel]] = None,
+        channel: Optional[
+            Union[discord.TextChannel, discord.VoiceChannel, discord.StageChannel]
+        ] = None,
     ):
         """
         Set the notification channel for automatic unmute issues.
diff --git a/redbot/cogs/permissions/permissions.py b/redbot/cogs/permissions/permissions.py
index df08700ef..0db134a38 100644
--- a/redbot/cogs/permissions/permissions.py
+++ b/redbot/cogs/permissions/permissions.py
@@ -221,7 +221,7 @@ class Permissions(commands.Cog):
             "Global rules (set by the owner) are checked first, then rules set for servers. If "
             "multiple global or server rules apply to the case, the order they are checked in is:\n"
             "  1. Rules about a user.\n"
-            "  2. Rules about the voice channel a user is connected to.\n"
+            "  2. Rules about the voice/stage channel a user is connected to.\n"
             "  3. Rules about the channel or a parent of the thread a command was issued in.\n"
             "  4. Rules about a role the user has (The highest role they have with a rule will be "
             "used).\n"
diff --git a/redbot/cogs/reports/reports.py b/redbot/cogs/reports/reports.py
index c52350934..c04699168 100644
--- a/redbot/cogs/reports/reports.py
+++ b/redbot/cogs/reports/reports.py
@@ -107,7 +107,9 @@ class Reports(commands.Cog):
     @commands.admin_or_permissions(manage_guild=True)
     @reportset.command(name="output")
     async def reportset_output(
-        self, ctx: commands.Context, channel: Union[discord.TextChannel, discord.VoiceChannel]
+        self,
+        ctx: commands.Context,
+        channel: Union[discord.TextChannel, discord.VoiceChannel, discord.StageChannel],
     ):
         """Set the channel where reports will be sent."""
         await self.config.guild(ctx.guild).output_channel.set(channel.id)
diff --git a/redbot/cogs/streams/streams.py b/redbot/cogs/streams/streams.py
index c9fe2a0b6..60ceb619d 100644
--- a/redbot/cogs/streams/streams.py
+++ b/redbot/cogs/streams/streams.py
@@ -316,7 +316,7 @@ class Streams(commands.Cog):
         ctx: commands.Context,
         channel_name: str,
         discord_channel: Union[
-            discord.TextChannel, discord.VoiceChannel
+            discord.TextChannel, discord.VoiceChannel, discord.StageChannel
         ] = commands.CurrentChannel,
     ):
         """Manage Twitch stream notifications."""
@@ -328,7 +328,7 @@ class Streams(commands.Cog):
         ctx: commands.Context,
         channel_name: str,
         discord_channel: Union[
-            discord.TextChannel, discord.VoiceChannel
+            discord.TextChannel, discord.VoiceChannel, discord.StageChannel
         ] = commands.CurrentChannel,
     ):
         """Toggle alerts in this or the given channel for a Twitch stream."""
@@ -345,7 +345,7 @@ class Streams(commands.Cog):
         ctx: commands.Context,
         channel_name_or_id: str,
         discord_channel: Union[
-            discord.TextChannel, discord.VoiceChannel
+            discord.TextChannel, discord.VoiceChannel, discord.StageChannel
         ] = commands.CurrentChannel,
     ):
         """Toggle alerts in this channel for a YouTube stream."""
@@ -357,7 +357,7 @@ class Streams(commands.Cog):
         ctx: commands.Context,
         channel_name: str,
         discord_channel: Union[
-            discord.TextChannel, discord.VoiceChannel
+            discord.TextChannel, discord.VoiceChannel, discord.StageChannel
         ] = commands.CurrentChannel,
     ):
         """Toggle alerts in this channel for a Picarto stream."""
@@ -794,7 +794,7 @@ class Streams(commands.Cog):
     async def _send_stream_alert(
         self,
         stream,
-        channel: Union[discord.TextChannel, discord.VoiceChannel],
+        channel: Union[discord.TextChannel, discord.VoiceChannel, discord.StageChannel],
         embed: discord.Embed,
         content: str = None,
         *,
@@ -954,7 +954,7 @@ class Streams(commands.Cog):
     async def _get_mention_str(
         self,
         guild: discord.Guild,
-        channel: Union[discord.TextChannel, discord.VoiceChannel],
+        channel: Union[discord.TextChannel, discord.VoiceChannel, discord.StageChannel],
         guild_data: dict,
     ) -> Tuple[str, List[discord.Role]]:
         """Returns a 2-tuple with the string containing the mentions, and a list of
@@ -982,7 +982,9 @@ class Streams(commands.Cog):
         return " ".join(mentions), edited_roles
 
     async def filter_streams(
-        self, streams: list, channel: Union[discord.TextChannel, discord.VoiceChannel]
+        self,
+        streams: list,
+        channel: Union[discord.TextChannel, discord.VoiceChannel, discord.StageChannel],
     ) -> list:
         filtered = []
         for stream in streams:
diff --git a/redbot/cogs/trivia/trivia.py b/redbot/cogs/trivia/trivia.py
index 77d2dd5f7..de3611ab7 100644
--- a/redbot/cogs/trivia/trivia.py
+++ b/redbot/cogs/trivia/trivia.py
@@ -705,7 +705,10 @@ class Trivia(commands.Cog):
         await ctx.send(_("Saved Trivia list as {filename}.").format(filename=filename))
 
     def _get_trivia_session(
-        self, channel: Union[discord.TextChannel, discord.VoiceChannel, discord.Thread]
+        self,
+        channel: Union[
+            discord.TextChannel, discord.VoiceChannel, discord.StageChannel, discord.Thread
+        ],
     ) -> TriviaSession:
         return next(
             (session for session in self.trivia_sessions if session.ctx.channel == channel), None
diff --git a/redbot/cogs/warnings/warnings.py b/redbot/cogs/warnings/warnings.py
index 63735f76d..acf842554 100644
--- a/redbot/cogs/warnings/warnings.py
+++ b/redbot/cogs/warnings/warnings.py
@@ -159,7 +159,7 @@ class Warnings(commands.Cog):
     async def warnchannel(
         self,
         ctx: commands.Context,
-        channel: Union[discord.TextChannel, discord.VoiceChannel] = None,
+        channel: Union[discord.TextChannel, discord.VoiceChannel, discord.StageChannel] = None,
     ):
         """Set the channel where warnings should be sent to.
 
diff --git a/redbot/core/_diagnoser.py b/redbot/core/_diagnoser.py
index a8c32c60a..f51f69b43 100644
--- a/redbot/core/_diagnoser.py
+++ b/redbot/core/_diagnoser.py
@@ -38,7 +38,9 @@ class IssueDiagnoserBase:
         self,
         bot: Red,
         original_ctx: commands.Context,
-        channel: Union[discord.TextChannel, discord.VoiceChannel, discord.Thread],
+        channel: Union[
+            discord.TextChannel, discord.VoiceChannel, discord.StageChannel, discord.Thread
+        ],
         author: discord.Member,
         command: commands.Command,
     ) -> None:
diff --git a/redbot/core/_settings_caches.py b/redbot/core/_settings_caches.py
index 259a15dc8..8fdc2a216 100644
--- a/redbot/core/_settings_caches.py
+++ b/redbot/core/_settings_caches.py
@@ -156,7 +156,11 @@ class IgnoreManager:
     async def get_ignored_channel(
         self,
         channel: Union[
-            discord.TextChannel, discord.VoiceChannel, discord.ForumChannel, discord.Thread
+            discord.TextChannel,
+            discord.VoiceChannel,
+            discord.StageChannel,
+            discord.ForumChannel,
+            discord.Thread,
         ],
         check_category: bool = True,
     ) -> bool:
@@ -188,6 +192,7 @@ class IgnoreManager:
         channel: Union[
             discord.TextChannel,
             discord.VoiceChannel,
+            discord.StageChannel,
             discord.Thread,
             discord.ForumChannel,
             discord.CategoryChannel,
diff --git a/redbot/core/bot.py b/redbot/core/bot.py
index f4cb894eb..e12000c55 100644
--- a/redbot/core/bot.py
+++ b/redbot/core/bot.py
@@ -837,7 +837,10 @@ class Red(
             return False
 
         if guild:
-            assert isinstance(channel, (discord.TextChannel, discord.VoiceChannel, discord.Thread))
+            assert isinstance(
+                channel,
+                (discord.TextChannel, discord.VoiceChannel, discord.StageChannel, discord.Thread),
+            )
             if not can_user_send_messages_in(guild.me, channel):
                 return False
             if not (await self.ignored_channel_or_guild(message)):
@@ -1291,6 +1294,7 @@ class Red(
         channel: Union[
             discord.TextChannel,
             discord.VoiceChannel,
+            discord.StageChannel,
             commands.Context,
             discord.User,
             discord.Member,
@@ -1305,7 +1309,7 @@ class Red(
 
         Arguments
         ---------
-        channel : Union[`discord.TextChannel`, `discord.VoiceChannel`, `commands.Context`, `discord.User`, `discord.Member`, `discord.Thread`]
+        channel : Union[`discord.TextChannel`, `discord.VoiceChannel`, `discord.StageChannel`, `commands.Context`, `discord.User`, `discord.Member`, `discord.Thread`]
             The target messageable object to check embed settings for.
 
         Keyword Arguments
@@ -1352,7 +1356,10 @@ class Red(
                 "You cannot pass a GroupChannel, DMChannel, or PartialMessageable to this method."
             )
 
-        if isinstance(channel, (discord.TextChannel, discord.VoiceChannel, discord.Thread)):
+        if isinstance(
+            channel,
+            (discord.TextChannel, discord.VoiceChannel, discord.StageChannel, discord.Thread),
+        ):
             channel_id = channel.parent_id if isinstance(channel, discord.Thread) else channel.id
 
             if check_permissions and not channel.permissions_for(channel.guild.me).embed_links:
@@ -2075,7 +2082,9 @@ class Red(
 
     async def get_owner_notification_destinations(
         self,
-    ) -> List[Union[discord.TextChannel, discord.VoiceChannel, discord.User]]:
+    ) -> List[
+        Union[discord.TextChannel, discord.VoiceChannel, discord.StageChannel, discord.User]
+    ]:
         """
         Gets the users and channels to send to
         """
diff --git a/redbot/core/commands/context.py b/redbot/core/commands/context.py
index 3363e4d26..bbd33b7d3 100644
--- a/redbot/core/commands/context.py
+++ b/redbot/core/commands/context.py
@@ -315,7 +315,11 @@ if TYPE_CHECKING or os.getenv("BUILDING_DOCS", False):
             ...
 
         @property
-        def channel(self) -> Union[discord.TextChannel, discord.VoiceChannel, discord.Thread]:
+        def channel(
+            self,
+        ) -> Union[
+            discord.TextChannel, discord.VoiceChannel, discord.StageChannel, discord.Thread
+        ]:
             ...
 
         @property
diff --git a/redbot/core/commands/help.py b/redbot/core/commands/help.py
index 1ca0d2d46..268e22945 100644
--- a/redbot/core/commands/help.py
+++ b/redbot/core/commands/help.py
@@ -889,7 +889,12 @@ class RedHelpFormatter(HelpFormatterABC):
                 # We need to wrap this in a task to not block after-sending-help interactions.
                 # The channel has to be TextChannel or Thread as we can't bulk-delete from DMs
                 async def _delete_delay_help(
-                    channel: Union[discord.TextChannel, discord.VoiceChannel, discord.Thread],
+                    channel: Union[
+                        discord.TextChannel,
+                        discord.VoiceChannel,
+                        discord.StageChannel,
+                        discord.Thread,
+                    ],
                     messages: List[discord.Message],
                     delay: int,
                 ):
diff --git a/redbot/core/commands/requires.py b/redbot/core/commands/requires.py
index 5ef689536..ca455121c 100644
--- a/redbot/core/commands/requires.py
+++ b/redbot/core/commands/requires.py
@@ -73,6 +73,7 @@ _T = TypeVar("_T")
 GlobalPermissionModel = Union[
     discord.User,
     discord.VoiceChannel,
+    discord.StageChannel,
     discord.TextChannel,
     discord.ForumChannel,
     discord.CategoryChannel,
@@ -82,6 +83,7 @@ GlobalPermissionModel = Union[
 GuildPermissionModel = Union[
     discord.Member,
     discord.VoiceChannel,
+    discord.StageChannel,
     discord.TextChannel,
     discord.ForumChannel,
     discord.CategoryChannel,
diff --git a/redbot/core/core_commands.py b/redbot/core/core_commands.py
index a239f1588..e83095b3d 100644
--- a/redbot/core/core_commands.py
+++ b/redbot/core/core_commands.py
@@ -1371,7 +1371,9 @@ class Core(commands.commands._RuleDropper, commands.Cog, CoreLogic):
     async def embedset_channel(
         self,
         ctx: commands.Context,
-        channel: Union[discord.TextChannel, discord.VoiceChannel, discord.ForumChannel],
+        channel: Union[
+            discord.TextChannel, discord.VoiceChannel, discord.StageChannel, discord.ForumChannel
+        ],
         enabled: bool = None,
     ):
         """
@@ -1387,10 +1389,10 @@ class Core(commands.commands._RuleDropper, commands.Cog, CoreLogic):
         **Examples:**
             - `[p]embedset channel #text-channel False` - Disables embeds in the #text-channel.
             - `[p]embedset channel #forum-channel disable` - Disables embeds in the #forum-channel.
-            - `[p]embedset channel #text-channel` - Resets value to use guild default in the #text-channel .
+            - `[p]embedset channel #text-channel` - Resets value to use guild default in the #text-channel.
 
         **Arguments:**
-            - `<channel>` - The text, voice, or forum channel to set embed setting for.
+            - `<channel>` - The text, voice, stage, or forum channel to set embed setting for.
             - `[enabled]` - Whether to use embeds in this channel. Leave blank to reset to default.
         """
         if enabled is None:
@@ -2709,7 +2711,7 @@ class Core(commands.commands._RuleDropper, commands.Cog, CoreLogic):
     async def modlogset_modlog(
         self,
         ctx: commands.Context,
-        channel: Union[discord.TextChannel, discord.VoiceChannel] = None,
+        channel: Union[discord.TextChannel, discord.VoiceChannel, discord.StageChannel] = None,
     ):
         """Set a channel as the modlog.
 
@@ -3713,7 +3715,10 @@ class Core(commands.commands._RuleDropper, commands.Cog, CoreLogic):
 
     @_set_ownernotifications.command(name="adddestination")
     async def _set_ownernotifications_adddestination(
-        self, ctx: commands.Context, *, channel: Union[discord.TextChannel, discord.VoiceChannel]
+        self,
+        ctx: commands.Context,
+        *,
+        channel: Union[discord.TextChannel, discord.VoiceChannel, discord.StageChannel],
     ):
         """
         Adds a destination text channel to receive owner notifications.
@@ -3738,7 +3743,7 @@ class Core(commands.commands._RuleDropper, commands.Cog, CoreLogic):
         self,
         ctx: commands.Context,
         *,
-        channel: Union[discord.TextChannel, discord.VoiceChannel, int],
+        channel: Union[discord.TextChannel, discord.VoiceChannel, discord.StageChannel, int],
     ):
         """
         Removes a destination text channel from receiving owner notifications.
@@ -4692,7 +4697,7 @@ class Core(commands.commands._RuleDropper, commands.Cog, CoreLogic):
         self,
         ctx: commands.Context,
         channel: Optional[
-            Union[discord.TextChannel, discord.VoiceChannel, discord.Thread]
+            Union[discord.TextChannel, discord.VoiceChannel, discord.StageChannel, discord.Thread]
         ] = commands.CurrentChannel,
         # avoid non-default argument following default argument by using empty param()
         member: Union[discord.Member, discord.User] = commands.param(),
@@ -4716,7 +4721,7 @@ class Core(commands.commands._RuleDropper, commands.Cog, CoreLogic):
         if ctx.guild is None:
             await ctx.send(
                 _(
-                    "A text channel, voice channel, or thread needs to be passed"
+                    "A text channel, voice channel, stage channel, or thread needs to be passed"
                     " when using this command in DMs."
                 )
             )
@@ -5683,6 +5688,7 @@ class Core(commands.commands._RuleDropper, commands.Cog, CoreLogic):
         channel: Union[
             discord.TextChannel,
             discord.VoiceChannel,
+            discord.StageChannel,
             discord.ForumChannel,
             discord.CategoryChannel,
             discord.Thread,
@@ -5741,6 +5747,7 @@ class Core(commands.commands._RuleDropper, commands.Cog, CoreLogic):
         channel: Union[
             discord.TextChannel,
             discord.VoiceChannel,
+            discord.StageChannel,
             discord.ForumChannel,
             discord.CategoryChannel,
             discord.Thread,
@@ -5784,23 +5791,23 @@ class Core(commands.commands._RuleDropper, commands.Cog, CoreLogic):
 
     async def count_ignored(self, ctx: commands.Context):
         category_channels: List[discord.CategoryChannel] = []
-        channels: List[Union[discord.TextChannel, discord.VoiceChannel, discord.ForumChannel]] = []
+        channels: List[
+            Union[
+                discord.TextChannel,
+                discord.VoiceChannel,
+                discord.StageChannel,
+                discord.ForumChannel,
+            ]
+        ] = []
         threads: List[discord.Thread] = []
         if await self.bot._ignored_cache.get_ignored_guild(ctx.guild):
             return _("This server is currently being ignored.")
-        for channel in ctx.guild.text_channels:
-            if channel.category and channel.category not in category_channels:
-                if await self.bot._ignored_cache.get_ignored_channel(channel.category):
-                    category_channels.append(channel.category)
-            if await self.bot._ignored_cache.get_ignored_channel(channel, check_category=False):
-                channels.append(channel)
-        for channel in ctx.guild.voice_channels:
-            if channel.category and channel.category not in category_channels:
-                if await self.bot._ignored_cache.get_ignored_channel(channel.category):
-                    category_channels.append(channel.category)
-            if await self.bot._ignored_cache.get_ignored_channel(channel, check_category=False):
-                channels.append(channel)
-        for channel in ctx.guild.forums:
+        for channel in itertools.chain(
+            ctx.guild.text_channels,
+            ctx.guild.voice_channels,
+            ctx.guild.stage_channels,
+            ctx.guild.forums,
+        ):
             if channel.category and channel.category not in category_channels:
                 if await self.bot._ignored_cache.get_ignored_channel(channel.category):
                     category_channels.append(channel.category)
diff --git a/redbot/core/modlog.py b/redbot/core/modlog.py
index 8e0f8185a..7c23a67fc 100644
--- a/redbot/core/modlog.py
+++ b/redbot/core/modlog.py
@@ -649,7 +649,7 @@ class Case:
     @classmethod
     async def from_json(
         cls,
-        mod_channel: Union[discord.TextChannel, discord.VoiceChannel],
+        mod_channel: Union[discord.TextChannel, discord.VoiceChannel, discord.StageChannel],
         bot: Red,
         case_number: int,
         data: dict,
@@ -659,7 +659,7 @@ class Case:
 
         Parameters
         ----------
-        mod_channel: `discord.TextChannel` or `discord.VoiceChannel`
+        mod_channel: `discord.TextChannel` or `discord.VoiceChannel`, `discord.StageChannel`
             The mod log channel for the guild
         bot: Red
             The bot's instance. Needed to get the target user
@@ -1252,7 +1252,7 @@ async def register_casetypes(new_types: List[dict]) -> List[CaseType]:
 
 async def get_modlog_channel(
     guild: discord.Guild,
-) -> Union[discord.TextChannel, discord.VoiceChannel]:
+) -> Union[discord.TextChannel, discord.VoiceChannel, discord.StageChannel]:
     """
     Get the current modlog channel.
 
@@ -1263,7 +1263,7 @@ async def get_modlog_channel(
 
     Returns
     -------
-    `discord.TextChannel` or `discord.VoiceChannel`
+    `discord.TextChannel`, `discord.VoiceChannel`, or `discord.StageChannel`
         The channel object representing the modlog channel.
 
     Raises
@@ -1283,7 +1283,8 @@ async def get_modlog_channel(
 
 
 async def set_modlog_channel(
-    guild: discord.Guild, channel: Union[discord.TextChannel, discord.VoiceChannel, None]
+    guild: discord.Guild,
+    channel: Union[discord.TextChannel, discord.VoiceChannel, discord.StageChannel, None],
 ) -> bool:
     """
     Changes the modlog channel
@@ -1292,7 +1293,7 @@ async def set_modlog_channel(
     ----------
     guild: `discord.Guild`
         The guild to set a mod log channel for
-    channel: `discord.TextChannel`, `discord.VoiceChannel`, or `None`
+    channel: `discord.TextChannel`, `discord.VoiceChannel`, `discord.StageChannel`, or `None`
         The channel to be set as modlog channel
 
     Returns
diff --git a/redbot/core/utils/__init__.py b/redbot/core/utils/__init__.py
index 20d507682..16edae454 100644
--- a/redbot/core/utils/__init__.py
+++ b/redbot/core/utils/__init__.py
@@ -35,7 +35,11 @@ from redbot.core import commands
 
 if TYPE_CHECKING:
     GuildMessageable = Union[
-        commands.GuildContext, discord.TextChannel, discord.VoiceChannel, discord.Thread
+        commands.GuildContext,
+        discord.TextChannel,
+        discord.VoiceChannel,
+        discord.StageChannel,
+        discord.Thread,
     ]
     DMMessageable = Union[commands.DMContext, discord.Member, discord.User, discord.DMChannel]
 
diff --git a/redbot/core/utils/mod.py b/redbot/core/utils/mod.py
index f795a459f..b653efefe 100644
--- a/redbot/core/utils/mod.py
+++ b/redbot/core/utils/mod.py
@@ -21,7 +21,9 @@ __all__ = (
 
 async def mass_purge(
     messages: List[discord.Message],
-    channel: Union[discord.TextChannel, discord.VoiceChannel, discord.Thread],
+    channel: Union[
+        discord.TextChannel, discord.VoiceChannel, discord.StageChannel, discord.Thread
+    ],
     *,
     reason: Optional[str] = None,
 ):
@@ -39,7 +41,7 @@ async def mass_purge(
     ----------
     messages : `list` of `discord.Message`
         The messages to bulk delete.
-    channel : `discord.TextChannel`, `discord.VoiceChannel`, or `discord.Thread`
+    channel : `discord.TextChannel`, `discord.VoiceChannel`, `discord.StageChannel`, or `discord.Thread`
         The channel to delete messages from.
     reason : `str`, optional
         The reason for bulk deletion, which will appear in the audit log.
diff --git a/redbot/core/utils/predicates.py b/redbot/core/utils/predicates.py
index d6d22dfb1..5c4bdd255 100644
--- a/redbot/core/utils/predicates.py
+++ b/redbot/core/utils/predicates.py
@@ -317,7 +317,9 @@ class MessagePredicate(Callable[[discord.Message], bool]):
     def valid_role(
         cls,
         ctx: Optional[commands.Context] = None,
-        channel: Optional[Union[discord.TextChannel, discord.VoiceChannel, discord.Thread]] = None,
+        channel: Optional[
+            Union[discord.TextChannel, discord.VoiceChannel, discord.StageChannel, discord.Thread]
+        ] = None,
         user: Optional[discord.abc.User] = None,
     ) -> "MessagePredicate":
         """Match if the response refers to a role in the current guild.
@@ -330,7 +332,7 @@ class MessagePredicate(Callable[[discord.Message], bool]):
         ----------
         ctx : Optional[Context]
             Same as ``ctx`` in :meth:`same_context`.
-        channel : Optional[Union[`discord.TextChannel`, `discord.VoiceChannel`, `discord.Thread`]]
+        channel : Optional[Union[`discord.TextChannel`, `discord.VoiceChannel`, `discord.StageChannel`, `discord.Thread`]]
             Same as ``channel`` in :meth:`same_context`.
         user : Optional[discord.abc.User]
             Same as ``user`` in :meth:`same_context`.
@@ -361,7 +363,9 @@ class MessagePredicate(Callable[[discord.Message], bool]):
     def valid_member(
         cls,
         ctx: Optional[commands.Context] = None,
-        channel: Optional[Union[discord.TextChannel, discord.VoiceChannel, discord.Thread]] = None,
+        channel: Optional[
+            Union[discord.TextChannel, discord.VoiceChannel, discord.StageChannel, discord.Thread]
+        ] = None,
         user: Optional[discord.abc.User] = None,
     ) -> "MessagePredicate":
         """Match if the response refers to a member in the current guild.
@@ -374,7 +378,7 @@ class MessagePredicate(Callable[[discord.Message], bool]):
         ----------
         ctx : Optional[Context]
             Same as ``ctx`` in :meth:`same_context`.
-        channel : Optional[Union[`discord.TextChannel`, `discord.VoiceChannel`, `discord.Thread`]]
+        channel : Optional[Union[`discord.TextChannel`, `discord.VoiceChannel`, `discord.StageChannel`, `discord.Thread`]]
             Same as ``channel`` in :meth:`same_context`.
         user : Optional[discord.abc.User]
             Same as ``user`` in :meth:`same_context`.
@@ -409,7 +413,9 @@ class MessagePredicate(Callable[[discord.Message], bool]):
     def valid_text_channel(
         cls,
         ctx: Optional[commands.Context] = None,
-        channel: Optional[Union[discord.TextChannel, discord.VoiceChannel, discord.Thread]] = None,
+        channel: Optional[
+            Union[discord.TextChannel, discord.VoiceChannel, discord.StageChannel, discord.Thread]
+        ] = None,
         user: Optional[discord.abc.User] = None,
     ) -> "MessagePredicate":
         """Match if the response refers to a text channel in the current guild.
@@ -422,7 +428,7 @@ class MessagePredicate(Callable[[discord.Message], bool]):
         ----------
         ctx : Optional[Context]
             Same as ``ctx`` in :meth:`same_context`.
-        channel : Optional[Union[`discord.TextChannel`, `discord.VoiceChannel`, `discord.Thread`]]
+        channel : Optional[Union[`discord.TextChannel`, `discord.VoiceChannel`, `discord.StageChannel`, `discord.Thread`]]
             Same as ``channel`` in :meth:`same_context`.
         user : Optional[discord.abc.User]
             Same as ``user`` in :meth:`same_context`.
@@ -457,7 +463,9 @@ class MessagePredicate(Callable[[discord.Message], bool]):
     def has_role(
         cls,
         ctx: Optional[commands.Context] = None,
-        channel: Optional[Union[discord.TextChannel, discord.VoiceChannel, discord.Thread]] = None,
+        channel: Optional[
+            Union[discord.TextChannel, discord.VoiceChannel, discord.StageChannel, discord.Thread]
+        ] = None,
         user: Optional[discord.abc.User] = None,
     ) -> "MessagePredicate":
         """Match if the response refers to a role which the author has.
@@ -471,7 +479,7 @@ class MessagePredicate(Callable[[discord.Message], bool]):
         ----------
         ctx : Optional[Context]
             Same as ``ctx`` in :meth:`same_context`.
-        channel : Optional[Union[`discord.TextChannel`, `discord.VoiceChannel`, `discord.Thread`]]
+        channel : Optional[Union[`discord.TextChannel`, `discord.VoiceChannel`, `discord.StageChannel`, `discord.Thread`]]
             Same as ``channel`` in :meth:`same_context`.
         user : Optional[discord.abc.User]
             Same as ``user`` in :meth:`same_context`.
@@ -833,7 +841,9 @@ class MessagePredicate(Callable[[discord.Message], bool]):
     @staticmethod
     def _get_guild(
         ctx: Optional[commands.Context],
-        channel: Optional[Union[discord.TextChannel, discord.VoiceChannel, discord.Thread]],
+        channel: Optional[
+            Union[discord.TextChannel, discord.VoiceChannel, discord.StageChannel, discord.Thread]
+        ],
         user: Optional[discord.Member],
     ) -> discord.Guild:
         if ctx is not None:
diff --git a/redbot/core/utils/tunnel.py b/redbot/core/utils/tunnel.py
index 5c38f1192..e66ecd804 100644
--- a/redbot/core/utils/tunnel.py
+++ b/redbot/core/utils/tunnel.py
@@ -59,7 +59,7 @@ class Tunnel(metaclass=TunnelMeta):
     ----------
     sender: `discord.Member`
         The person who opened the tunnel
-    origin: `discord.TextChannel`, `discord.VoiceChannel`, or `discord.Thread`
+    origin: `discord.TextChannel`, `discord.VoiceChannel`, `discord.StageChannel`, or `discord.Thread`
         The channel in which it was opened
     recipient: `discord.User`
         The user on the other end of the tunnel
@@ -69,7 +69,9 @@ class Tunnel(metaclass=TunnelMeta):
         self,
         *,
         sender: discord.Member,
-        origin: Union[discord.TextChannel, discord.VoiceChannel, discord.Thread],
+        origin: Union[
+            discord.TextChannel, discord.VoiceChannel, discord.StageChannel, discord.Thread
+        ],
         recipient: discord.User,
     ):
         self.sender = sender