Version 4.7.0

Enhancement

• [CHT-753] - Reuse scheduled meetings sdk core objects
• [CHT-829] - Upgrade the pdfium library which uses vcpkg
• [CHT-830] - fix the cmake building
• [CHT-837] - Avoid notify onUserJoin for our own user
• [CHT-838] - correct cmake c++17 flag for windows

Sub-task

• [CHT-836] - Return an error if try to Join a call with waiting room enabled

Story

• [CHT-843] - iOS - Meeting scheduling flow Binding

Maintenance

• [CHT-834] - Update header search paths for ObjC binding

Bug

• [CHT-833] - iOS - Account unable to send/receive chat messages.

Target apps

• iOS 9.11
• Android 7.9