Upgrading# This is a big release and, while the basic concepts such as nesting are the same, the new API is mostly incompatible with the previous API. Browse other questions tagged reactjs react-native react-hooks or ask your own question. Further, React-Native doesn’t use CSS tags and works with those which closely resemble that of HTML like ,, and others. [14] This processing is generally performed during a software build process before the application is deployed. When displayed in a web browser the result will be, React code is made of entities called components. Fix a batching bug, Ensure use of the latest object-assign, Fix regression, Remove use of merge utility, Renamed some modules. Remove unstable_createRoot and unstable_createSyncRoot experimental APIs. Added react-dom/test-utils, Removed peerDependencies, Fixed issue with Closure Compiler, Added a deprecation warning for React.createClass and React.PropTypes, Fixed Chrome bug. [37][needs update] The actual syntax for programming with React does not change; only the way that the syntax is executed has changed. Discontinuing Bower Releases, Fix an accidental extra global variable in the UMD builds, Fix onMouseEnter and onMouseLeave firing, Fix

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