If you're a teacher in Moodle, then this page will tell you about the major changes affecting you in Moodle 3.11
Show or hide activity deadlines and completion criteria on the course page.
Identify and correct accessiblity errors in your course content.
H5P and content bank
Mark content as 'unlisted' and see when it is linked elsewhere.
Question settings retained
Change the default settings once and have Moodle remember then the next time you create a similar question.
Quiz Essay question
Set min and max word limits and benefit from plagiarism support
Activity completion report
Use more filtering options in the activity completion report.