Is it possible implement a combo editor in a grid or standalone, that is a type ahead but also queries a server for the typeahead instead of having the data already loaded?
Support Forum
Sure, should work out of the box since the Combo can be used with an Ajax store. See code snippets at https://bryntum.com/products/scheduler/docs/api/Core/widget/Combo and simply plug in an AjaxStore:
https://bryntum.com/products/scheduler/docs/api/Core/data/AjaxStore
https://codepen.io/Animal-Nige/pen/zYbZpRN shows a Combo querying a remote source for matches