Update changelog.

CHANGELOG.md

@@ -2,6 +2,17 @@
 All notable changes to `dash` will be documented in this file.
 This project adheres to [Semantic Versioning](https://semver.org/).
 
+## [UNRELEASED]
+
+## Added
+
+- [#2417](https://github.com/plotly/dash/pull/2417) Add wait_timeout property to customize the behavior of the default wait timeout used for by wait_for_page, fix [#1595](https://github.com/plotly/dash/issues/1595)
+- [#2417](https://github.com/plotly/dash/pull/2417) Add the element target text for wait_for_text* error message, fix [#945](https://github.com/plotly/dash/issues/945)
+
+## Fixed
+
+- [#2417](https://github.com/plotly/dash/pull/2417) Disable the pytest plugin if `dash[testing]` not installed, fix [#946](https://github.com/plotly/dash/issues/946).
+- [#2417](https://github.com/plotly/dash/pull/2417) Do not swallow the original error to get the webdriver, easier to know what is wrong after updating the browser but the driver.
 
 ## [2.8.1] - 2023-01-30