Update changelog.

Author: T4rk1n

CHANGELOG.md

@@ -26,6 +26,8 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 
 - [#1976](https://github.com/plotly/dash/pull/1976) Fix [#1962](https://github.com/plotly/dash/issues/1962) in which DatePickerSingle and DatePickerRange are extremely slow when provided a long list of disabled_days.
 
+- [#2035](https://github.com/plotly/dash/pull/2035) Fix [#2033](https://github.com/plotly/dash/issues/2033) In-App error reporting does not render HTML.
+
 ### Changed
 
 - [#2016](https://github.com/plotly/dash/pull/2016) Drop the 375px width from default percy_snapshot calls, keep only 1280px