LearnDash 4.3.0.1 was released July 27, 2022 and is a bugfix release. Below is a highlight of what you can expect from this version.
You can find a full list of added code here: https://developers.learndash.com/since/4-3-0-1/
For a full overview of changes, please see the following.
Changelog – https://learndash.releasenotes.io/release/cj21m-4301