When we measure loading performance, we often do so using testing tools that only describe performance from the perspective of the tester. If we want to measure loading performance from the user's perspective, we must rely on the Navigation and Resource Timing APIs.
React 16.4 included a bugfix for getDerivedStateFromProps which caused some existing bugs in React components to reproduce more consistently. If this release exposed a case where your application was using an anti-pattern and didn’t work properly after the fix, we’re sorry for the churn.
Grid System Library - Free set of grids for iOS, Android and Bootstrap.. (Design Tools, User Experience, and Prototyping) Read the opinion of 11 influencers. Discover 5 alternatives like Mailchimp Pattern Library and Autodesk Graphic