New error messages when a new user is unable to register to Skhole because of organization's exceeded licenses.

Improvements to the subscription service

Accessibility - Multiple "under the hood" tunings to improve overall accessibility

Certificate name included to the print view of collection certificates

Added validation to PDFs uploaded to certificate collections

Transcoder server security improvements

Mobile - UI improvements for different browsers and devices

Some users were automatically logged out while using the application

When a user added a picture to a podcast but does not add text, the picture was not displayed

The users couldn't add images to the Sources block in the lesson edit modal

Too much padding in some fields in user invitation modal