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actually i made a symfony webapp 3 years ago , i didn't use it, and now i am trying to deploy it on heroku but it says , that i need to use newer version I am trying to resolve the deprecation before updating the version (5.1 and go progressively to 6) but i do not know how to do i already made my research on internet but i did not find something that can help Deprecation symfony

Dewei
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You should migrate to Symfony 5 first tkans to the full doc here and after to Symfony 6 thanks to that !

Both explain how to fix your deprecations and a search for deprecations specific to your favorite search engine will also help!

vinceAmstoutz
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  • i already looked at their docs but there is no info that help me in the docs there are some deprecation that i do not know to fix them – Dewei Jul 19 '22 at 15:36
  • Did you look for deprecations one by one on Internet? I managed to migrate in this way an application from Symfony 3.4 to 6.2 while there was a complete change of architecture between Symfony 3 and 4 (addition of `symfony/flex`) ! Make a little effort and especially be specific about blocking depreciations. Thank you! – vinceAmstoutz Jul 20 '22 at 06:56