diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8a25970f27..13b83925f6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-## [Unreleased]
+## [0.80.0] - 2024-09-23
 
 ### Added
 
@@ -2381,6 +2381,7 @@ https://textual.textualize.io/blog/2022/11/08/version-040/#version-040
 - New handler system for messages that doesn't require inheritance
 - Improved traceback handling
 
+[0.80.0]: https://github.com/Textualize/textual/compare/v0.79.0...v0.80.0
 [0.79.0]: https://github.com/Textualize/textual/compare/v0.78.0...v0.79.0
 [0.78.0]: https://github.com/Textualize/textual/compare/v0.77.0...v0.78.0
 [0.77.0]: https://github.com/Textualize/textual/compare/v0.76.0...v0.77.0
diff --git a/pyproject.toml b/pyproject.toml
index a13cdc868a..feced1d81d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "textual"
-version = "0.79.1"
+version = "0.80.0"
 homepage = "https://github.com/Textualize/textual"
 repository = "https://github.com/Textualize/textual"
 documentation = "https://textual.textualize.io/"
diff --git a/src/textual/widget.py b/src/textual/widget.py
index 2ea5bd7b4b..adb26f596e 100644
--- a/src/textual/widget.py
+++ b/src/textual/widget.py
@@ -447,7 +447,10 @@ def __init__(
     """The scroll position on the Y axis."""
 
     scroll_target_x = Reactive(0.0, repaint=False)
+    """Scroll target destination, X coord."""
+
     scroll_target_y = Reactive(0.0, repaint=False)
+    """Scroll target destination, Y coord."""
 
     show_vertical_scrollbar: Reactive[bool] = Reactive(False, layout=True)
     """Show a vertical scrollbar?"""