diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6d407f3758..a84d96b541 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,8 @@ These changes are available on the `master` branch, but have not yet been releas
   ([#3328](https://github.com/Pycord-Development/pycord/pull/3328))
 - Added `SlashCommandGroup.add_command`.
   ([#3346](https://github.com/Pycord-Development/pycord/pull/3346))
+- Added missing `slowmode_delay`, `user_limit`, and `bitrate` parameters to
+  `StageChannel.edit`. ([#3273](https://github.com/Pycord-Development/pycord/pull/3273))
 
 ### Changed
 
@@ -26,6 +28,12 @@ These changes are available on the `master` branch, but have not yet been releas
   ([#3320](https://github.com/Pycord-Development/pycord/pull/3320))
 - Fix `SyntaxWarning` about `return` in a `finally` block raised on Python 3.14+
   ([#3332](https://github.com/Pycord-Development/pycord/pull/3334))
+- Fix `StageChannel.create_instance`'s `send_notification` parameter type.
+  ([#3273](https://github.com/Pycord-Development/pycord/pull/3273))
+- Fix the `sync_permissions` type in the `VoiceChannel.edit` and `StageChannel.edit`
+  overloads. ([#3273](https://github.com/Pycord-Development/pycord/pull/3273))
+- Fix the return type of the `MediaChannel.edit` overload.
+  ([#3273](https://github.com/Pycord-Development/pycord/pull/3273))
 
 ### Deprecated
 
diff --git a/discord/channel.py b/discord/channel.py
index dab70c4a92..b07d935090 100644
--- a/discord/channel.py
+++ b/discord/channel.py
@@ -671,7 +671,7 @@ def archived_threads(
 
         Parameters
         ----------
-        limit: Optional[:class:`bool`]
+        limit: Optional[:class:`int`]
             The number of threads to retrieve.
             If ``None``, retrieves every archived thread in the channel. Note, however,
             that this would make it a slow operation.
@@ -1504,7 +1504,10 @@ async def edit(
         require_tag: bool = ...,
         hide_media_download_options: bool = ...,
         overwrites: Mapping[Role | Member | Snowflake, PermissionOverwrite] = ...,
-    ) -> ForumChannel | None: ...
+    ) -> MediaChannel | None: ...
+
+    @overload
+    async def edit(self) -> MediaChannel | None: ...
 
     async def edit(self, *, reason=None, **options):
         """|coro|
@@ -2088,7 +2091,7 @@ async def edit(
         bitrate: int = ...,
         user_limit: int = ...,
         position: int = ...,
-        sync_permissions: int = ...,
+        sync_permissions: bool = ...,
         category: CategoryChannel | None = ...,
         overwrites: Mapping[Role | Member, PermissionOverwrite] = ...,
         rtc_region: VoiceRegion | None = ...,
@@ -2691,7 +2694,7 @@ async def create_instance(
         topic: str,
         privacy_level: StagePrivacyLevel = MISSING,
         reason: str | None = None,
-        send_notification: bool | None = False,
+        send_notification: bool = False,
     ) -> StageInstance:
         """|coro|
 
@@ -2775,11 +2778,14 @@ async def edit(
         name: str = ...,
         topic: str | None = ...,
         position: int = ...,
-        sync_permissions: int = ...,
+        sync_permissions: bool = ...,
         category: CategoryChannel | None = ...,
         overwrites: Mapping[Role | Member, PermissionOverwrite] = ...,
         rtc_region: VoiceRegion | None = ...,
         video_quality_mode: VideoQualityMode = ...,
+        bitrate: int = ...,
+        user_limit: int = ...,
+        slowmode_delay: int = ...,
         reason: str | None = ...,
     ) -> StageChannel | None: ...
 
@@ -2828,7 +2834,7 @@ async def edit(self, *, reason=None, **options):
             The channel's preferred audio bitrate in bits per second.
 
         user_limit: :class:`int`
-            The channel's limit for number of members that can be in a voice channel.
+            The channel's limit for number of members that can be in a stage channel.
 
         slowmode_delay: :class:`int`
             Specifies the slowmode rate limit for user in this channel, in seconds.
@@ -3534,7 +3540,7 @@ class VoiceChannelEffectSendEvent:
 
     Attributes
     ----------
-    animation_type: :class:`int`
+    animation_type: :class:`VoiceChannelEffectAnimationType`
         The type of animation that is being sent.
     animation_id: :class:`int`
         The ID of the animation that is being sent.