If you're a teacher in Moodle, then this page will tell you about the major changes affecting you in Moodle 4.2.
Course page improvements
Quickly create content
Click to add an activity or resource anywhere on the course page.
Easily indent items
If the admin setting is enabled, move items once to the right, with this being reflected in the course index too.
Better section options
Duplicate sections and benefit from useful permalinks.
Activity names now only display when edit mode is on.
Bulk editing (MUA)
Enable bulk editing
Thanks to the MUA, a bulk editing option is available.
Bulk delete, move, duplicate, hide or change visibility from the footer.
New report sources
Create reports on comments and user badges.
New filters include last,current and next hour.
Grader report search
Easily search and filter the Grader report.
Collapse columns the Grader report
View feedback directly in the Grader report.
Collapse categories in the Gradebook setup for easier management.
New in integrations
New settings control visiblity of profile photos and access to recording formats.
MoodleNet initial integration
Teachers can share activities to a MoodleNet instance if allowed by admin.
Quiz and Question bank
Teachers can customise question numbers
Teachers can reopen attempts never submitted.
Message students directly from the Assignment grading screen.
Group membership visibility
Specify who can see which groups in a course.