backstage/.changeset/nice-lobsters-tie.md at 868cd6e736871623f3e7db780ccf4c2ec8e0b4b9

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Patrik Oldsberg f2fe4d240b cli: only apply hot loader hook support alias for react 16

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

2022-01-19 19:12:11 +01:00

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@backstage/create-app

@backstage/create-app
patch

Migrated the app template to React 17.

To apply this change to an existing app, make sure you have updated to the latest version of @backstage/cli, and make the following change to packages/app/package.json:

     "history": "^5.0.0",
-    "react": "^16.13.1",
-    "react-dom": "^16.13.1",
+    "react": "^17.0.2",
+    "react-dom": "^17.0.2",
     "react-router": "6.0.0-beta.0",

Since we have recently moved over all react and react-dom dependencies to peerDependencies of all packages, and included React 17 in the version range, this should be all you need to do. If you end up with duplicate React installations, first make sure that all of your plugins are up-to-date, including ones for example from @roadiehq. If that doesn't work, you may need to fall back to adding Yarn resolutions in the package.json of your project root:

+  "resolutions": {
+    "react": "^17.0.2",
+    "react-dom": "^17.0.2"
+  },

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