If you're a teacher in Moodle, then this page will tell you about the major changes affecting you in Moodle 4.3.
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Bulk editing (MUA)
Enable bulk editing
Thanks to the MUA, a bulk editing option is available.
Bulk actions
Bulk delete, move, duplicate, hide or change visibility from the footer.
Report builder
New report sources
Create reports on comments and user badges.
New filters
New filters include last,current and next hour.
Gradebook enhancements
Grader report search
Easily search and filter the Grader report.
Collapse columns
Collapse columns the Grader report
View feedback
View feedback directly in the Grader report.
Collapsible categories
Collapse categories in the Gradebook setup for easier management.
New in integrations
BigBlueButton
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
Question numbers
Teachers can customise question numbers
Reopen attempts
Teachers can reopen attempts never submitted.
And more...
Assignment messaging
Message students directly from the Assignment grading screen.
Group membership visibility
Specify who can see which groups in a course.