v4.2.20.1 release

v4.2.20.1 had 10 bug fixes.

Significant defects addressed

• Corrected an issue in which ValueGenerated dropdowns were not triggering ContentState calls.
• Corrected an issue in which dragging and dropping a number of items in the content edit form was causing type-ahead functionality to fail.
• Corrected an issue when editing lists that was causing buttons to not appear as intended.
• Corrected an issue in which an error occurred when custom Message Formatters were used to deliver a notification.
• Corrected an issue in which querying groupBy against reference fields was not working.
• Corrected an issue in which tabs that contained only hidden fields were still displaying in the content edit form.
• Corrected an issue in which hidden fields in a cluster were producing extra white space in between other fields.
• Corrected an issue in which indication of failure of delivery was not being given in the notification icon after failed attempts.
• Corrected an issue in which embedded records that contained only hidden fields were displaying an empty input container.
• Corrected an issue in which selecting New Upload in the Image content type at times generated an error in logs.