The "My Materials" panel (found in v1.19.4 and later) is designed to give authors easy access to recently used items across Studio Projects. Items like images, videos, webpages or documents used previously as vApps will be listed in the panel which is always accessible from the left side of Studio's interface.
Note: To have items listed inside "My Materials" you'll need to have previously created a Project using v1.19.4.
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