Update changelog

Author: T4rk1n

CHANGELOG.md

@@ -24,6 +24,9 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 - [#2362](https://github.com/plotly/dash/pull/2362) Global namespace not polluted any more when loading clientside callbacks.
 - [#2833](https://github.com/plotly/dash/pull/2833) Allow data url in link props. Fixes [#2764](https://github.com/plotly/dash/issues/2764) 
 - [#2822](https://github.com/plotly/dash/pull/2822) Fix side update (running/progress/cancel) dict ids. Fixes [#2111](https://github.com/plotly/dash/issues/2111)
+- [#2817](https://github.com/plotly/dash/pull/2817) Change hashing algorithm from md5 to sha256, Fixes [#2697](https://github.com/plotly/dash/issues/2697).
+- [#2816](https://github.com/plotly/dash/pull/2816) Fix dcc.Dropdown value not updated when option is removed. Fixes [#2733](https://github.com/plotly/dash/issues/2733).
+- [#2823](https://github.com/plotly/dash/pull/2823) Fix None in "wait" methods causing incorrectly passing tests. Fixes [#2818](https://github.com/plotly/dash/issues/2818)
 
 ## [2.16.1] - 2024-03-06