Below are the links describing the updates:
"Chalk Mobile App": https://support.ptc.com/help/vuforia/chalk_desktop_center/index.html#page/Vuforia_Chalk_Desktop/common/whats_new_mobile.html#wwID0EXWAG
"Chalk for Desktop": https://support.ptc.com/help/vuforia/chalk_desktop_center/index.html#page/Vuforia_Chalk_Desktop/common/whats_new_desktop.html#wwID0EXNAG
"Chalk Admin Center": https://support.ptc.com/help/vuforia/chalk_admin_center/#page/Vuforia_Chalk_Admin_Center%2FWhatsNew.html%23
"Chalk for RealWear": https://support.realwear.com/knowledge
