# TODO

## DataTable

- (moderate) Add fast path for virtual mode if no cell crosses rows
- (moderate) Multiple column sorting

## Form

- (easy) message support render function

## Popover

- (easy) Add `header` slot

## Radio

- (easy) Button custom align & width

## Select

- (moderate) `render-tag` prop

## Tabs

- (moderate) Add iOS styled tabs
- (moderate) Left, right tabs

## Tree

- (moderate) Use set to check if node is checked or selected internally
- (moderate) Leaf-only check

## TreeSelect

- (moderate) Async
- (easy) Leaf-only check