Charlie Yaris

I'll keep investigating it. From looking at the code though, I can't figure out why the `groupBy` prop isn't appending to the items when `VirtualList` is enabled.

I got it working passing through an `itemHeight` for each, but then it breaks when new `items` are passed through. So, only worked `onMount`. Will keep playing around with it...

Hey @rob-balfre , do you know how the `itemCount` prop is being set for `svelte-tiny-virtual-list`? If itemCount is the total number of items to be rendered at any particular time....

@rob-balfre can ignore question asked above. I think I have a solution for this. should I make a pull request or send a REPL?

@rob-balfre here's a REPL. No internal changes to `svelte-select` are required. Enabling group headers for `VirtualList` would be extremely helpful though. The process is just to calculate the height of...

Same issue for me.