V8.10.0

Release 343

Bug Fixes

• [#11555] Remove outdated instructor help information (@fsgmhoward)
• [#11634] Remove overwritten text-break class (@samuelfangjw)
• [#11635] [#11631] Update conditions for session closing and closed emails (@wkurniawan07)
• [#11595] Instructor viewing results: incorrect state shown briefly when expanding the non-submitters panel (@FergusMok)
• [#11604] Fix incorrect loading for student result page (@fsgmhoward)

New Features and Enhancements

• [#11582] Admin: Give a way to remove unregistered instructors and their data (@samuelfangjw)
• [#11627] New instructors: set the session timestamps of the sample course to match user (@wkurniawan07)

Other Tasks

• [#11642] Apply lazy-loading of question contents in session submission page (@wkurniawan07)
• [#11645] Remove webmaster/webtool files from source control (@wkurniawan07)
• [#11159] Refactor session link recovery logic (@moziliar)
• [#11646] Remove unnecessary data read (@moziliar)
• [#11566] Copying question from another session: optimize fetching of available questions (@zhaojj2209)