diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2cac4c421..9338f1919 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,11 +7,18 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [0.11.0] - Unreleased
 
+### Changed
+
+- Breaking change: `TreeNode` can no longer be imported from `textual.widgets`; it is now available via `from textual.widgets.tree import TreeNode`. https://github.com/Textualize/textual/pull/1637
+
 ### Fixed
 
 - Fixed stuck screen  https://github.com/Textualize/textual/issues/1632
 - Fixed programmatic style changes not refreshing children layouts when parent widget did not change size https://github.com/Textualize/textual/issues/1607
 - Fixed relative units in `grid-rows` and `grid-columns` being computed with respect to the wrong dimension https://github.com/Textualize/textual/issues/1406
+- Programmatically setting `overflow_x`/`overflow_y` refreshes the layout correctly https://github.com/Textualize/textual/issues/1616
+- Fixed double-paste into `Input` https://github.com/Textualize/textual/issues/1657
+- Added a workaround for an apparent Windows Terminal paste issue https://github.com/Textualize/textual/issues/1661
 
 ## [0.10.1] - 2023-01-20
 
diff --git a/docs/api/tree_node.md b/docs/api/tree_node.md
index ad122443e..b136c4a6a 100644
--- a/docs/api/tree_node.md
+++ b/docs/api/tree_node.md
@@ -1 +1 @@
-::: textual.widgets.TreeNode
+::: textual.widgets.tree.TreeNode
diff --git a/docs/index.md b/docs/index.md
index 1d776e820..4d1c05832 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -1,17 +1,24 @@
 # Introduction
 
-Welcome to the [Textual](https://github.com/Textualize/textual) framework documentation. Built with ❤️ by [Textualize.io](https://www.textualize.io)
+Welcome to the [Textual](https://github.com/Textualize/textual) framework documentation.
+
+!!! tip
+
+    See the navigation links in the header or side-bars. Click the :octicons-three-bars-16: button (top left) on mobile.
 
 
-## In a hurry?
+[Get started](./getting_started.md){ .md-button .md-button--primary } or go straight to the [Tutorial](./tutorial.md)
 
-See the navigation links in the header or side-bars. Click the :octicons-three-bars-16: button (top left) on mobile.
 
-[Get started](./getting_started.md){ .md-button .md-button--primary } or [Tutorial](./tutorial.md){ .md-button .md-button--secondary }
 
 ## What is Textual?
 
-Textual is a framework for building applications that run within your terminal. Text User Interfaces (TUIs) have a number of advantages over web and desktop apps.
+Textual is a *Rapid Application Development* framework for Python, built by [Textualize.io](https://www.textualize.io).
+
+
+Build sophisticated user interfaces with a simple Python API. Run your apps in the terminal and (*coming soon*) a web browser.
+
+
 
 <div class="grid cards" markdown>
 
@@ -26,7 +33,7 @@ Textual is a framework for building applications that run within your terminal.
 
     ---
 
-    Low system requirements. Run Textual on a single board computer if you want to.
+    Run Textual on a single board computer if you want to.
 
 
 
@@ -53,7 +60,7 @@ Textual is a framework for building applications that run within your terminal.
 
 
 
--   :material-scale-balance:{ .lg .middle } __Open Source, MIT__
+-   :material-scale-balance:{ .lg .middle } __Open Source__
 
     ---
 
diff --git a/docs/widgets/list_view.md b/docs/widgets/list_view.md
index ff6b6b6eb..fe7a8c563 100644
--- a/docs/widgets/list_view.md
+++ b/docs/widgets/list_view.md
@@ -64,21 +64,6 @@ or by clicking on it.
 | `item`    | `ListItem` | The item that was selected. |
 
 
-### ChildrenUpdated
-
-The `ListView.ChildrenUpdated` message is emitted when the elements in the `ListView`
-are changed (e.g. a child is added, or the list is cleared).
-
-- [x] Bubbles
-
-#### Attributes
-
-| attribute  | type             | purpose                   |
-| ---------- | ---------------- | ------------------------- |
-| `children` | `list[ListItem]` | The new ListView children |
-
-
-
 ## See Also
 
 * [ListView](../api/list_view.md) code reference
diff --git a/docs/widgets/tree.md b/docs/widgets/tree.md
index 801d993f0..7f0772566 100644
--- a/docs/widgets/tree.md
+++ b/docs/widgets/tree.md
@@ -21,7 +21,7 @@ The example below creates a simple tree.
     --8<-- "docs/examples/widgets/tree.py"
     ```
 
-A each tree widget has a "root" attribute which is an instance of a [TreeNode][textual.widgets.TreeNode]. Call [add()][textual.widgets.TreeNode.add] or [add_leaf()][textual.widgets.TreeNode.add_leaf] to add new nodes underneath the root. Both these methods return a TreeNode for the child, so you can add more levels.
+Tree widgets have a "root" attribute which is an instance of a [TreeNode][textual.widgets.tree.TreeNode]. Call [add()][textual.widgets.tree.TreeNode.add] or [add_leaf()][textual.widgets.tree,TreeNode.add_leaf] to add new nodes underneath the root. Both these methods return a TreeNode for the child which you can use to add additional levels.
 
 
 ## Reactive Attributes
@@ -43,9 +43,9 @@ The `Tree.NodeSelected` message is sent when the user selects a tree node.
 
 #### Attributes
 
-| attribute | type                                 | purpose        |
-| --------- | ------------------------------------ | -------------- |
-| `node`    | [TreeNode][textual.widgets.TreeNode] | Selected node. |
+| attribute | type                                      | purpose        |
+| --------- | ----------------------------------------- | -------------- |
+| `node`    | [TreeNode][textual.widgets.tree.TreeNode] | Selected node. |
 
 
 ### NodeExpanded
@@ -54,9 +54,9 @@ The `Tree.NodeExpanded` message is sent when the user expands a node in the tree
 
 #### Attributes
 
-| attribute | type                                 | purpose        |
-| --------- | ------------------------------------ | -------------- |
-| `node`    | [TreeNode][textual.widgets.TreeNode] | Expanded node. |
+| attribute | type                                      | purpose        |
+| --------- | ----------------------------------------- | -------------- |
+| `node`    | [TreeNode][textual.widgets.tree.TreeNode] | Expanded node. |
 
 
 ### NodeCollapsed
@@ -67,9 +67,9 @@ The `Tree.NodeCollapsed` message is sent when the user expands a node in the tre
 
 #### Attributes
 
-| attribute | type                                 | purpose         |
-| --------- | ------------------------------------ | --------------- |
-| `node`    | [TreeNode][textual.widgets.TreeNode] | Collapsed node. |
+| attribute | type                                      | purpose         |
+| --------- | ----------------------------------------- | --------------- |
+| `node`    | [TreeNode][textual.widgets.tree.TreeNode] | Collapsed node. |
 
 
 
@@ -77,4 +77,4 @@ The `Tree.NodeCollapsed` message is sent when the user expands a node in the tre
 ## See Also
 
 * [Tree][textual.widgets.Tree] code reference
-* [TreeNode][textual.widgets.TreeNode] code reference
+* [TreeNode][textual.widgets.tree.TreeNode] code reference
diff --git a/examples/json_tree.py b/examples/json_tree.py
index 7380fcc25..45cede3c5 100644
--- a/examples/json_tree.py
+++ b/examples/json_tree.py
@@ -4,7 +4,8 @@ from pathlib import Path
 from rich.text import Text
 
 from textual.app import App, ComposeResult
-from textual.widgets import Header, Footer, Tree, TreeNode
+from textual.widgets import Header, Footer, Tree
+from textual.widgets.tree import TreeNode
 
 
 class TreeApp(App):
diff --git a/mkdocs.yml b/mkdocs.yml
index 5c29f469c..a9b8de413 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -221,6 +221,7 @@ theme:
     - navigation.tabs
     - navigation.indexes
     - navigation.tabs.sticky
+    - navigation.footer
     - content.code.annotate
     - content.code.copy
   palette:
diff --git a/poetry.lock b/poetry.lock
index 885b92cd0..1f4cd039d 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -171,7 +171,7 @@ python-versions = "*"
 
 [[package]]
 name = "coverage"
-version = "7.0.5"
+version = "7.1.0"
 description = "Code coverage measurement for Python"
 category = "dev"
 optional = false
@@ -322,7 +322,7 @@ socks = ["socksio (>=1.0.0,<2.0.0)"]
 
 [[package]]
 name = "identify"
-version = "2.5.13"
+version = "2.5.15"
 description = "File identification library for Python"
 category = "dev"
 optional = false
@@ -521,7 +521,7 @@ doc = ["mkdocs-bootswatch (>=1,<2)", "mkdocs-minify-plugin (>=0.5.0,<0.6.0)", "p
 
 [[package]]
 name = "mkdocstrings"
-version = "0.19.1"
+version = "0.20.0"
 description = "Automatic documentation from sources, for MkDocs."
 category = "dev"
 optional = false
@@ -626,7 +626,7 @@ python-versions = ">=3.7"
 
 [[package]]
 name = "pathspec"
-version = "0.10.3"
+version = "0.11.0"
 description = "Utility library for gitignore style pattern matching of file paths."
 category = "dev"
 optional = false
@@ -1028,7 +1028,7 @@ dev = ["aiohttp", "click", "msgpack"]
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7"
-content-hash = "0e3bcf48b37c16096a3c2b2f7d3f548494f9a22ebdee2e2c5d8ac74b80ab344e"
+content-hash = "d76445ef1521cd4068907433b09d59fc1ed56f03e61063c5ad7376bb9823a8e7"
 
 [metadata.files]
 aiohttp = [
@@ -1193,57 +1193,57 @@ colored = [
     {file = "colored-1.4.4.tar.gz", hash = "sha256:04ff4d4dd514274fe3b99a21bb52fb96f2688c01e93fba7bef37221e7cb56ce0"},
 ]
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+    {file = "coverage-7.1.0-cp39-cp39-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:3164d31078fa9efe406e198aecd2a02d32a62fecbdef74f76dad6a46c7e48311"},
+    {file = "coverage-7.1.0-cp39-cp39-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:db61a79c07331e88b9a9974815c075fbd812bc9dbc4dc44b366b5368a2936063"},
+    {file = "coverage-7.1.0-cp39-cp39-musllinux_1_1_aarch64.whl", hash = "sha256:9ccb092c9ede70b2517a57382a601619d20981f56f440eae7e4d7eaafd1d1d09"},
+    {file = "coverage-7.1.0-cp39-cp39-musllinux_1_1_i686.whl", hash = "sha256:33ff26d0f6cc3ca8de13d14fde1ff8efe1456b53e3f0273e63cc8b3c84a063d8"},
+    {file = "coverage-7.1.0-cp39-cp39-musllinux_1_1_x86_64.whl", hash = "sha256:d47dd659a4ee952e90dc56c97d78132573dc5c7b09d61b416a9deef4ebe01a0c"},
+    {file = "coverage-7.1.0-cp39-cp39-win32.whl", hash = "sha256:d248cd4a92065a4d4543b8331660121b31c4148dd00a691bfb7a5cdc7483cfa4"},
+    {file = "coverage-7.1.0-cp39-cp39-win_amd64.whl", hash = "sha256:7ed681b0f8e8bcbbffa58ba26fcf5dbc8f79e7997595bf071ed5430d8c08d6f3"},
+    {file = "coverage-7.1.0-pp37.pp38.pp39-none-any.whl", hash = "sha256:755e89e32376c850f826c425ece2c35a4fc266c081490eb0a841e7c1cb0d3bda"},
+    {file = "coverage-7.1.0.tar.gz", hash = "sha256:10188fe543560ec4874f974b5305cd1a8bdcfa885ee00ea3a03733464c4ca265"},
 ]
 distlib = [
     {file = "distlib-0.3.6-py2.py3-none-any.whl", hash = "sha256:f35c4b692542ca110de7ef0bea44d73981caeb34ca0b9b6b2e6d7790dda8f80e"},
@@ -1362,8 +1362,8 @@ httpx = [
     {file = "httpx-0.23.3.tar.gz", hash = "sha256:9818458eb565bb54898ccb9b8b251a28785dd4a55afbc23d0eb410754fe7d0f9"},
 ]
 identify = [
-    {file = "identify-2.5.13-py2.py3-none-any.whl", hash = "sha256:8aa48ce56e38c28b6faa9f261075dea0a942dfbb42b341b4e711896cbb40f3f7"},
-    {file = "identify-2.5.13.tar.gz", hash = "sha256:abb546bca6f470228785338a01b539de8a85bbf46491250ae03363956d8ebb10"},
+    {file = "identify-2.5.15-py2.py3-none-any.whl", hash = "sha256:1f4b36c5f50f3f950864b2a047308743f064eaa6f6645da5e5c780d1c7125487"},
+    {file = "identify-2.5.15.tar.gz", hash = "sha256:c22aa206f47cc40486ecf585d27ad5f40adbfc494a3fa41dc3ed0499a23b123f"},
 ]
 idna = [
     {file = "idna-3.4-py3-none-any.whl", hash = "sha256:90b77e79eaa3eba6de819a0c442c0b4ceefc341a7a2ab77d7562bf49f425c5c2"},
@@ -1470,8 +1470,8 @@ mkdocs-rss-plugin = [
     {file = "mkdocs_rss_plugin-1.5.0-py2.py3-none-any.whl", hash = "sha256:2ab14c20bf6b7983acbe50181e7e4a0778731d9c2d5c38107ca7047a7abd2165"},
 ]
 mkdocstrings = [
-    {file = "mkdocstrings-0.19.1-py3-none-any.whl", hash = "sha256:32a38d88f67f65b264184ea71290f9332db750d189dea4200cbbe408d304c261"},
-    {file = "mkdocstrings-0.19.1.tar.gz", hash = "sha256:d1037cacb4b522c1e8c164ed5d00d724a82e49dcee0af80db8fb67b384faeef9"},
+    {file = "mkdocstrings-0.20.0-py3-none-any.whl", hash = "sha256:f17fc2c4f760ec302b069075ef9e31045aa6372ca91d2f35ded3adba8e25a472"},
+    {file = "mkdocstrings-0.20.0.tar.gz", hash = "sha256:c757f4f646d4f939491d6bc9256bfe33e36c5f8026392f49eaa351d241c838e5"},
 ]
 mkdocstrings-python = [
     {file = "mkdocstrings-python-0.8.3.tar.gz", hash = "sha256:9ae473f6dc599339b09eee17e4d2b05d6ac0ec29860f3fc9b7512d940fc61adf"},
@@ -1656,8 +1656,8 @@ packaging = [
     {file = "packaging-23.0.tar.gz", hash = "sha256:b6ad297f8907de0fa2fe1ccbd26fdaf387f5f47c7275fedf8cce89f99446cf97"},
 ]
 pathspec = [
-    {file = "pathspec-0.10.3-py3-none-any.whl", hash = "sha256:3c95343af8b756205e2aba76e843ba9520a24dd84f68c22b9f93251507509dd6"},
-    {file = "pathspec-0.10.3.tar.gz", hash = "sha256:56200de4077d9d0791465aa9095a01d421861e405b5096955051deefd697d6f6"},
+    {file = "pathspec-0.11.0-py3-none-any.whl", hash = "sha256:3a66eb970cbac598f9e5ccb5b2cf58930cd8e3ed86d393d541eaf2d8b1705229"},
+    {file = "pathspec-0.11.0.tar.gz", hash = "sha256:64d338d4e0914e91c1792321e6907b5a593f1ab1851de7fc269557a21b30ebbc"},
 ]
 platformdirs = [
     {file = "platformdirs-2.6.2-py3-none-any.whl", hash = "sha256:83c8f6d04389165de7c9b6f0c682439697887bca0aa2f1c87ef1826be3584490"},
diff --git a/pyproject.toml b/pyproject.toml
index 99ee64632..e16e5253e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,7 +50,7 @@ black = "^22.3.0,<22.10.0"  # macos wheel issue on 22.10
 mypy = "^0.990"
 pytest-cov = "^2.12.1"
 mkdocs = "^1.3.0"
-mkdocstrings = {extras = ["python"], version = "^0.19.0"}
+mkdocstrings = {extras = ["python"], version = "^0.20.0"}
 mkdocs-material = "^8.2.15"
 pre-commit = "^2.13.0"
 pytest-aiohttp = "^1.0.4"
diff --git a/src/textual/_context.py b/src/textual/_context.py
index 04b264d33..625152a95 100644
--- a/src/textual/_context.py
+++ b/src/textual/_context.py
@@ -4,6 +4,7 @@ from contextvars import ContextVar
 
 if TYPE_CHECKING:
     from .app import App
+    from .message_pump import MessagePump
 
 
 class NoActiveAppError(RuntimeError):
@@ -11,3 +12,4 @@ class NoActiveAppError(RuntimeError):
 
 
 active_app: ContextVar["App"] = ContextVar("active_app")
+active_message_pump: ContextVar["MessagePump"] = ContextVar("active_message_pump")
diff --git a/src/textual/_xterm_parser.py b/src/textual/_xterm_parser.py
index 1bbec555d..b97a1abd1 100644
--- a/src/textual/_xterm_parser.py
+++ b/src/textual/_xterm_parser.py
@@ -118,7 +118,10 @@ class XTermParser(Parser[events.Event]):
                 # ESC from the closing bracket, since at that point we didn't know what
                 # the full escape code was.
                 pasted_text = "".join(paste_buffer[:-1])
-                on_token(events.Paste(self.sender, text=pasted_text))
+                # Note the removal of NUL characters: https://github.com/Textualize/textual/issues/1661
+                on_token(
+                    events.Paste(self.sender, text=pasted_text.replace("\x00", ""))
+                )
                 paste_buffer.clear()
 
             character = ESC if use_prior_escape else (yield read1())
diff --git a/src/textual/app.py b/src/textual/app.py
index 068b94e0b..8712353e1 100644
--- a/src/textual/app.py
+++ b/src/textual/app.py
@@ -46,7 +46,7 @@ from ._animator import DEFAULT_EASING, Animatable, Animator, EasingFunction
 from ._ansi_sequences import SYNC_END, SYNC_START
 from ._asyncio import create_task
 from ._callback import invoke
-from ._context import active_app
+from ._context import active_app, active_message_pump
 from ._event_broker import NoHandler, extract_handler_actions
 from ._filter import LineFilter, Monochrome
 from ._path import _make_path_object_relative
@@ -1095,8 +1095,12 @@ class App(Generic[ReturnType], DOMNode):
 
         Args:
             *widgets: The widget(s) to mount.
-            before: Optional location to mount before.
-            after: Optional location to mount after.
+            before: Optional location to mount before. An `int` is the index
+                of the child to mount before, a `str` is a `query_one` query to
+                find the widget to mount before.
+            after: Optional location to mount after. An `int` is the index
+                of the child to mount after, a `str` is a `query_one` query to
+                find the widget to mount after.
 
         Returns:
             An awaitable object that waits for widgets to be mounted.
@@ -1113,6 +1117,7 @@ class App(Generic[ReturnType], DOMNode):
     def mount_all(
         self,
         widgets: Iterable[Widget],
+        *,
         before: int | str | Widget | None = None,
         after: int | str | Widget | None = None,
     ) -> AwaitMount:
@@ -1120,8 +1125,12 @@ class App(Generic[ReturnType], DOMNode):
 
         Args:
             widgets: An iterable of widgets.
-            before: Optional location to mount before.
-            after: Optional location to mount after.
+            before: Optional location to mount before. An `int` is the index
+                of the child to mount before, a `str` is a `query_one` query to
+                find the widget to mount before.
+            after: Optional location to mount after. An `int` is the index
+                of the child to mount after, a `str` is a `query_one` query to
+                find the widget to mount after.
 
         Returns:
             An awaitable object that waits for widgets to be mounted.
@@ -2103,7 +2112,7 @@ class App(Generic[ReturnType], DOMNode):
         """Remove nodes from DOM, and return an awaitable that awaits cleanup.
 
         Args:
-            widgets: List of nodes to remvoe.
+            widgets: List of nodes to remove.
 
         Returns:
             Awaitable that returns when the nodes have been fully removed.
@@ -2127,17 +2136,19 @@ class App(Generic[ReturnType], DOMNode):
         removed_widgets = self._detach_from_dom(widgets)
 
         finished_event = asyncio.Event()
-        create_task(
+        remove_task = create_task(
             prune_widgets_task(removed_widgets, finished_event), name="prune nodes"
         )
 
-        return AwaitRemove(finished_event)
+        await_remove = AwaitRemove(finished_event, remove_task)
+        self.call_next(await_remove)
+        return await_remove
 
     async def _prune_nodes(self, widgets: list[Widget]) -> None:
         """Remove nodes and children.
 
         Args:
-            widgets: _description_
+            widgets: Widgets to remove.
         """
         async with self._dom_lock:
             for widget in widgets:
diff --git a/src/textual/await_remove.py b/src/textual/await_remove.py
index cd794d8c6..f8d61e3ff 100644
--- a/src/textual/await_remove.py
+++ b/src/textual/await_remove.py
@@ -1,19 +1,24 @@
 """Provides the type of an awaitable remove."""
 
-from asyncio import Event
+from asyncio import Event, Task
 from typing import Generator
 
 
 class AwaitRemove:
     """An awaitable returned by App.remove and DOMQuery.remove."""
 
-    def __init__(self, finished_flag: Event) -> None:
+    def __init__(self, finished_flag: Event, task: Task) -> None:
         """Initialise the instance of ``AwaitRemove``.
 
         Args:
             finished_flag: The asyncio event to wait on.
+            task: The task which does the remove (required to keep a reference).
         """
         self.finished_flag = finished_flag
+        self._task = task
+
+    async def __call__(self) -> None:
+        return await self
 
     def __await__(self) -> Generator[None, None, None]:
         async def await_prune() -> None:
diff --git a/src/textual/css/_style_properties.py b/src/textual/css/_style_properties.py
index 10c8f9f8a..c06313e63 100644
--- a/src/textual/css/_style_properties.py
+++ b/src/textual/css/_style_properties.py
@@ -736,6 +736,9 @@ class StringEnumProperty:
         """
         return obj.get_rule(self.name, self._default)
 
+    def _before_refresh(self, obj: StylesBase, value: str | None) -> None:
+        """Do any housekeeping before asking for a layout refresh after a value change."""
+
     def __set__(self, obj: StylesBase, value: str | None = None):
         """Set the string property and ensure it is in the set of allowed values.
 
@@ -749,6 +752,7 @@ class StringEnumProperty:
         _rich_traceback_omit = True
         if value is None:
             if obj.clear_rule(self.name):
+                self._before_refresh(obj, value)
                 obj.refresh(layout=self._layout, children=self._children)
         else:
             if value not in self._valid_values:
@@ -761,9 +765,20 @@ class StringEnumProperty:
                     ),
                 )
             if obj.set_rule(self.name, value):
+                self._before_refresh(obj, value)
                 obj.refresh(layout=self._layout, children=self._children)
 
 
+class OverflowProperty(StringEnumProperty):
+    """Descriptor for overflow styles that forces widgets to refresh scrollbars."""
+
+    def _before_refresh(self, obj: StylesBase, value: str | None) -> None:
+        from ..widget import Widget  # Avoid circular import
+
+        if isinstance(obj.node, Widget):
+            obj.node._refresh_scrollbars()
+
+
 class NameProperty:
     """Descriptor for getting and setting name properties."""
 
diff --git a/src/textual/css/styles.py b/src/textual/css/styles.py
index 4a3691bcc..cc9e99a6a 100644
--- a/src/textual/css/styles.py
+++ b/src/textual/css/styles.py
@@ -26,6 +26,7 @@ from ._style_properties import (
     NameListProperty,
     NameProperty,
     OffsetProperty,
+    OverflowProperty,
     ScalarListProperty,
     ScalarProperty,
     SpacingProperty,
@@ -246,12 +247,8 @@ class StylesBase(ABC):
 
     dock = DockProperty()
 
-    overflow_x = StringEnumProperty(
-        VALID_OVERFLOW, "hidden", layout=True, children=True
-    )
-    overflow_y = StringEnumProperty(
-        VALID_OVERFLOW, "hidden", layout=True, children=True
-    )
+    overflow_x = OverflowProperty(VALID_OVERFLOW, "hidden", layout=True, children=True)
+    overflow_y = OverflowProperty(VALID_OVERFLOW, "hidden", layout=True, children=True)
 
     layer = NameProperty()
     layers = NameListProperty()
diff --git a/src/textual/drivers/linux_driver.py b/src/textual/drivers/linux_driver.py
index f5f90ae0b..2d1b5e1a0 100644
--- a/src/textual/drivers/linux_driver.py
+++ b/src/textual/drivers/linux_driver.py
@@ -145,9 +145,14 @@ class LinuxDriver(Driver):
         self._request_terminal_sync_mode_support()
         self._enable_bracketed_paste()
 
-    def _request_terminal_sync_mode_support(self):
-        self.console.file.write("\033[?2026$p")
-        self.console.file.flush()
+    def _request_terminal_sync_mode_support(self) -> None:
+        """Writes an escape sequence to query the terminal support for the sync protocol."""
+        # Terminals should ignore this sequence if not supported.
+        # Apple terminal doesn't, and writes a single 'p' in to the terminal,
+        # so we will make a special case for Apple terminal (which doesn't support sync anyway).
+        if self.console._environ.get("TERM_PROGRAM", "") != "Apple_Terminal":
+            self.console.file.write("\033[?2026$p")
+            self.console.file.flush()
 
     @classmethod
     def _patch_lflag(cls, attrs: int) -> int:
diff --git a/src/textual/message_pump.py b/src/textual/message_pump.py
index 7cbaf2875..c469b381d 100644
--- a/src/textual/message_pump.py
+++ b/src/textual/message_pump.py
@@ -17,7 +17,7 @@ from weakref import WeakSet
 from . import Logger, events, log, messages
 from ._asyncio import create_task
 from ._callback import invoke
-from ._context import NoActiveAppError, active_app
+from ._context import NoActiveAppError, active_app, active_message_pump
 from ._time import time
 from .case import camel_to_snake
 from .errors import DuplicateKeyHandlers
@@ -313,12 +313,18 @@ class MessagePump(metaclass=MessagePumpMeta):
         Reactive._reset_object(self)
         await self._message_queue.put(None)
         if wait and self._task is not None and asyncio.current_task() != self._task:
-            # Ensure everything is closed before returning
-            await self._task
+            try:
+                running_widget = active_message_pump.get()
+            except LookupError:
+                running_widget = None
+
+            if running_widget is None or running_widget is not self:
+                await self._task
 
     def _start_messages(self) -> None:
         """Start messages task."""
         if self.app._running:
+            active_message_pump.set(self)
             self._task = create_task(
                 self._process_messages(), name=f"message pump {self}"
             )
@@ -357,7 +363,6 @@ class MessagePump(metaclass=MessagePumpMeta):
     async def _process_messages_loop(self) -> None:
         """Process messages until the queue is closed."""
         _rich_traceback_guard = True
-
         while not self._closed:
             try:
                 message = await self._get_message()
diff --git a/src/textual/widget.py b/src/textual/widget.py
index e6c9c2626..ca34cd05b 100644
--- a/src/textual/widget.py
+++ b/src/textual/widget.py
@@ -1,7 +1,6 @@
 from __future__ import annotations
 
 from asyncio import Lock, wait
-from asyncio import Lock, create_task, wait
 from collections import Counter
 from fractions import Fraction
 from itertools import islice
@@ -618,6 +617,37 @@ class Widget(DOMNode):
         self.call_next(await_mount)
         return await_mount
 
+    def mount_all(
+        self,
+        widgets: Iterable[Widget],
+        *,
+        before: int | str | Widget | None = None,
+        after: int | str | Widget | None = None,
+    ) -> AwaitMount:
+        """Mount widgets from an iterable.
+
+        Args:
+            widgets: An iterable of widgets.
+            before: Optional location to mount before. An `int` is the index
+                of the child to mount before, a `str` is a `query_one` query to
+                find the widget to mount before.
+            after: Optional location to mount after. An `int` is the index
+                of the child to mount after, a `str` is a `query_one` query to
+                find the widget to mount after.
+
+        Returns:
+            An awaitable object that waits for widgets to be mounted.
+
+        Raises:
+            MountError: If there is a problem with the mount request.
+
+        Note:
+            Only one of ``before`` or ``after`` can be provided. If both are
+            provided a ``MountError`` will be raised.
+        """
+        await_mount = self.mount(*widgets, before=before, after=after)
+        return await_mount
+
     def move_child(
         self,
         child: int | Widget,
@@ -922,7 +952,7 @@ class Widget(DOMNode):
         show_horizontal = self.show_horizontal_scrollbar
         if overflow_x == "hidden":
             show_horizontal = False
-        if overflow_x == "scroll":
+        elif overflow_x == "scroll":
             show_horizontal = True
         elif overflow_x == "auto":
             show_horizontal = self.virtual_size.width > width
@@ -1974,13 +2004,14 @@ class Widget(DOMNode):
         """
         show_vertical_scrollbar, show_horizontal_scrollbar = self.scrollbars_enabled
 
-        scrollbar_size_horizontal = self.styles.scrollbar_size_horizontal
-        scrollbar_size_vertical = self.styles.scrollbar_size_vertical
+        styles = self.styles
+        scrollbar_size_horizontal = styles.scrollbar_size_horizontal
+        scrollbar_size_vertical = styles.scrollbar_size_vertical
 
-        if self.styles.scrollbar_gutter == "stable":
+        if styles.scrollbar_gutter == "stable":
             # Let's _always_ reserve some space, whether the scrollbar is actually displayed or not:
             show_vertical_scrollbar = True
-            scrollbar_size_vertical = self.styles.scrollbar_size_vertical
+            scrollbar_size_vertical = styles.scrollbar_size_vertical
 
         if show_horizontal_scrollbar and show_vertical_scrollbar:
             (region, _, _, _) = region.split(
diff --git a/src/textual/widgets/__init__.py b/src/textual/widgets/__init__.py
index 4628cbe92..295b8bf12 100644
--- a/src/textual/widgets/__init__.py
+++ b/src/textual/widgets/__init__.py
@@ -23,7 +23,6 @@ if typing.TYPE_CHECKING:
     from ._static import Static
     from ._text_log import TextLog
     from ._tree import Tree
-    from ._tree_node import TreeNode
     from ._welcome import Welcome
     from ..widget import Widget
 
@@ -44,7 +43,6 @@ __all__ = [
     "Static",
     "TextLog",
     "Tree",
-    "TreeNode",
     "Welcome",
 ]
 
diff --git a/src/textual/widgets/_input.py b/src/textual/widgets/_input.py
index 497b7c671..1046c732e 100644
--- a/src/textual/widgets/_input.py
+++ b/src/textual/widgets/_input.py
@@ -256,6 +256,7 @@ class Input(Widget, can_focus=True):
     def on_paste(self, event: events.Paste) -> None:
         line = event.text.splitlines()[0]
         self.insert_text_at_cursor(line)
+        event.stop()
 
     def on_click(self, event: events.Click) -> None:
         offset = event.get_content_offset(self)
diff --git a/src/textual/widgets/_tree_node.py b/src/textual/widgets/_tree_node.py
deleted file mode 100644
index e6c57fb61..000000000
--- a/src/textual/widgets/_tree_node.py
+++ /dev/null
@@ -1 +0,0 @@
-from ._tree import TreeNode as TreeNode
diff --git a/src/textual/widgets/data_table.py b/src/textual/widgets/data_table.py
new file mode 100644
index 000000000..d0316f387
--- /dev/null
+++ b/src/textual/widgets/data_table.py
@@ -0,0 +1,5 @@
+"""Make non-widget DataTable support classes available."""
+
+from ._data_table import Column, Row
+
+__all__ = ["Column", "Row"]
diff --git a/src/textual/widgets/tree.py b/src/textual/widgets/tree.py
new file mode 100644
index 000000000..2e315bc23
--- /dev/null
+++ b/src/textual/widgets/tree.py
@@ -0,0 +1,5 @@
+"""Make non-widget Tree support classes available."""
+
+from ._tree import TreeNode
+
+__all__ = ["TreeNode"]
diff --git a/tests/test_overflow_change.py b/tests/test_overflow_change.py
new file mode 100644
index 000000000..1ebd39765
--- /dev/null
+++ b/tests/test_overflow_change.py
@@ -0,0 +1,37 @@
+"""Regression test for #1616 https://github.com/Textualize/textual/issues/1616"""
+import pytest
+
+
+from textual.app import App
+from textual.containers import Vertical
+
+
+async def test_overflow_change_updates_virtual_size_appropriately():
+    class MyApp(App):
+        def compose(self):
+            yield Vertical()
+
+    app = MyApp()
+
+    async with app.run_test() as pilot:
+        vertical = app.query_one(Vertical)
+
+        height = vertical.virtual_size.height
+
+        vertical.styles.overflow_x = "scroll"
+        await pilot.pause()  # Let changes propagate.
+        assert vertical.virtual_size.height < height
+
+        vertical.styles.overflow_x = "hidden"
+        await pilot.pause()
+        assert vertical.virtual_size.height == height
+
+        width = vertical.virtual_size.width
+
+        vertical.styles.overflow_y = "scroll"
+        await pilot.pause()
+        assert vertical.virtual_size.width < width
+
+        vertical.styles.overflow_y = "hidden"
+        await pilot.pause()
+        assert vertical.virtual_size.width == width
diff --git a/tests/test_widget.py b/tests/test_widget.py
index e3c0a618c..a06cf7857 100644
--- a/tests/test_widget.py
+++ b/tests/test_widget.py
@@ -1,13 +1,12 @@
 import pytest
-import rich
 
 from textual._node_list import DuplicateIds
 from textual.app import App, ComposeResult
 from textual.css.errors import StyleValueError
 from textual.css.query import NoMatches
-from textual.dom import DOMNode
 from textual.geometry import Size
 from textual.widget import Widget, MountError
+from textual.widgets import Label
 
 
 @pytest.mark.parametrize(
@@ -157,3 +156,28 @@ def test_widget_mount_ids_must_be_unique_mounting_multiple_calls(parent):
     parent.mount(widget1)
     with pytest.raises(DuplicateIds):
         parent.mount(widget2)
+
+
+# Regression test for https://github.com/Textualize/textual/issues/1634
+async def test_remove():
+    class RemoveMeLabel(Label):
+        async def on_mount(self) -> None:
+            await self.action("app.remove_all")
+
+    class Container(Widget):
+        async def clear(self) -> None:
+            await self.query("*").remove()
+
+    class RemoveApp(App):
+        def compose(self) -> ComposeResult:
+            yield Container(RemoveMeLabel())
+
+        async def action_remove_all(self) -> None:
+            await self.query_one(Container).clear()
+            self.exit(123)
+
+    app = RemoveApp()
+    async with app.run_test() as pilot:
+        await pilot.press("r")
+        await pilot.pause()
+    assert app.return_value == 123
diff --git a/tests/tree/test_tree_node_children.py b/tests/tree/test_tree_node_children.py
index eb5c949c0..d6c5c7e4e 100644
--- a/tests/tree/test_tree_node_children.py
+++ b/tests/tree/test_tree_node_children.py
@@ -1,5 +1,6 @@
 import pytest
-from textual.widgets import Tree, TreeNode
+from textual.widgets import Tree
+from textual.widgets.tree import TreeNode
 
 
 def label_of(node: TreeNode[None]):
diff --git a/tests/tree/test_tree_node_label.py b/tests/tree/test_tree_node_label.py
index e64fcf24d..7d7a04329 100644
--- a/tests/tree/test_tree_node_label.py
+++ b/tests/tree/test_tree_node_label.py
@@ -1,4 +1,5 @@
-from textual.widgets import Tree, TreeNode
+from textual.widgets import Tree
+from textual.widgets.tree import TreeNode
 from rich.text import Text
 
 
diff --git a/tests/tree/test_tree_node_parent.py b/tests/tree/test_tree_node_parent.py
index b9d85af43..87e66ebc4 100644
--- a/tests/tree/test_tree_node_parent.py
+++ b/tests/tree/test_tree_node_parent.py
@@ -1,4 +1,4 @@
-from textual.widgets import TreeNode, Tree
+from textual.widgets import Tree
 
 
 def test_tree_node_parent() -> None: