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update UMD section

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Josh Story
2024-04-25 09:56:54 -07:00
parent 9f73387420
commit d1823abd2b
1 changed files with 11 additions and 1 deletions
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src/content/blog/2024/04/01/react-19-upgrade-guide.md
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@@ -449,7 +449,17 @@ TODO
### UMD builds removed {/*umd-builds-removed*/}
TODO
UMD builds are not well tested by React's own tooling and add project complexity and release overhead. While UMD was widely used in the past and a convenient way to load React without a build step it is no longer widely used and there are modern alternatives to loading modules as scripts in HTML Documents.
In React 19 there are no more UMD builds. If you want to load React 19 using a script tag try using ESM based CDN such as [esm.sh](https://esm.sh/)
```html
<script type="module">
import React from "https://esm.sh/react@19/?dev"
import ReactDOMClient from "https://esm.sh/react-dom@19/client?dev"
...
</script>
```
### Libraries depending on React internals may block upgrades {/*libraries-depending-on-react-internals-may-block-upgrades*/}