Version 2.18.48

functional improvement

API Integration
1. changed the response to "user/group/author>delete" from "200 OK" to "202 Accepted" when successful.

Bug Fixes

Learning screen
1. fixed a bug that prevented embedded videos and iframe materials with restricted embedding URLs (domains) from displaying properly on macOS/iOS/iPadOS. when the embedding destination of Vimeo videos was restricted to "lms.quizgenerator.net" etc. Fixed a privacy error on these browsers when using Vimeo videos embedded in "lms.quizgenerator.net" and other browsers.