v5.3.0

• Fix scrollbar click issue v2

• Fix array index out of bounds on enter key event

• Update README.md

• Content editable in shadow dom

• Feat: allow searching whole string in autocomplete mode by allowing autocompleteSeparator to be null

• Fix: need to hide menu when mentionText.length < menuShowMinLength

• Closes #493: Dispatch CustomEvent on clicking noMatchTemplate

• Group header/optgroup support, Positioning fixes, and 3 bug fixes

• New Feature closeOnScroll

• Added Max number of items per collection and a flag to block a specific collection

• Updated some docs and default Template to check for the maxDisplayItems

• Update files Dist and examples