When adding a new Lesson page, clicking Cancel does not work. The page is just displayed again.
This is fixed and available from the LUNS public repository:
Hello, somebody needs to PULL request here in the tracker before marking issues as resolved.
Joseph, thanks for your report and Daren, thanks for your fix.
Marking as resolved, as PULL-216 created.
Fix included in the weekly 2.0.1+.