Optimized Feature
1. Drawing Board Performance Upgrade
Windows/Mac/AndroidPad/AndroidPhone：
Optimize and improve the performance of the drawing board on Windows/Mac and Android devices.
2. Optimize the preview style of cloud disk courseware
Windows/Mac：
Computer to open the home page - cloud disk in the PDF / Word / picture courseware, preview style optimized display.
3. Mobile mouse mode supports one-finger page turning
iPad/iPhone/AndroidPad/AndroidPhone：
When using iOS or Android devices to open Blackboard/PDF/Word/Image courseware, selecting the mouse tool can support one finger/double finger/stylus to swipe up and down to turn pages.
