Top react issues

Suspense calls useEffect before render

Needs Investigation

Why useEffect's default behavior is to run on every render?

Question

react-dom logs error to console when form.checkValidity() is called during render

Stale Needs Investigation

Warning: React.createElement: type is invalid -- expected a string (for built-in components) or a class/function

React forces component to un-mount and mount when it should only update it

In mobile browsers button onClick hadler fires multiple times. Desktop ones are fine

Stale

Regarding `react-hooks/exhaustive-deps` and object properties

react-test-renderer: the findByType method doesn't work with memo components

Test Renderer Bug

Hotkey for "Select an element in the page to inspect it" in Chrome extension

Developer Tools Stale Feature Request

When calling a useTransition startTransition callback outside of event handlers, isPending is never set to true

Concurrent Mode Bug