Sponsored issue: mui/material-ui theme does not support Nextjs 13 App router

[herberthk]

Currently, setting up mui/material-ui theme provider supports Nextjs 12 with pages directory and the mui documentation describes the setup process, and there are many guides online about it. However, the introduction of the Nextjs 13 app router, made many changes to how Nextjs works thus making the old implementation of the theme setup not working anymore. To match the current architecture of Nextjs, as developers we need to make several workarounds to make it work as expected. I have tried it and worked for my previous project without any performance issues because of caching and I'm willing to share my knowledge with other developers.

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[mj12albert]

@herberthk What is this issue about?

We support the app router and we have guides for it

[github-actions]

Since the issue is missing key information and has been inactive for 7 days, it has been automatically closed. If you wish to see the issue reopened, please provide the missing information.