Angular devtools stopped working few days ago. "Angular application not detected" about angular HOT 6 OPEN

Thank you @Gertjan-Goetynck. I'm tracking a fix for this issue here #55233. The cause here is that Angular DevTools currently officially supports v12 and above. A recent change to how DevTools scripts get injected into applications prevented those scripts from being injected into Angular applications below version 12. The PR in question allows this script to be injected as normal for these apps again, but also implements a warning notice in those applications to inform the user that they are not on a supported version.

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Thanks for the report @Gertjan-Goetynck

Could you provide which version of Angular you are experiencing this issue with? Is this application using any custom build tools or just ng serve/ng build?

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Can you also double check the version of your devtools. Should be 1.0.12.

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Acessei a minha aplicação pela guia anonima e deu certo, tente fazer o mesmo ou limpe o cache.
Lembre-se de configurar a extensão para habilitar em guia anonima.

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Thanks for the report @Gertjan-Goetynck

Could you provide which version of Angular you are experiencing this issue with? Is this application using any custom build tools or just ng serve/ng build?

The angular version we are using is 11.2.10. We do an ng serve with a custom host and disabled hostcheck.

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Can you also double check the version of your devtools. Should be 1.0.12.

Its version 1.0.12 indeed.

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