Unable to resolve dependency tree

[mattjis]

npm install @shopify/polaris

npm ERR! code ERESOLVE
npm ERR! ERESOLVE unable to resolve dependency tree
npm ERR! 
npm ERR! While resolving: releases@1.0.0
npm ERR! Found: react@17.0.2
npm ERR! node_modules/react
npm ERR!   react@"^17.0.2" from the root project
npm ERR! 
npm ERR! Could not resolve dependency:
npm ERR! peer react@"^16.9.0" from @shopify/polaris@6.4.0
npm ERR! node_modules/@shopify/polaris
npm ERR!   @shopify/polaris@"*" from the root project

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[mattjis]

Same with npm install @shopify/app-bridge-react

Could not resolve dependency:
npm ERR! peer react@"^16.0.0" from @shopify/app-bridge-react@2.0.2
npm ERR! node_modules/@shopify/app-bridge-react
npm ERR!   @shopify/app-bridge-react@"*" from the root project

[CodingMeSwiftly]

#3999 would fix this issue. Is there an ETA?

[elkarouani]

@CodingMeSwiftly , it seems that the pull request was rejected due to some missing requirements, I faced the same as this issue.