How to switch ionic v3 to v4?

#1

I have already created ionic android app in ionic 3 now if I add some plugins it gives error

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#2

i am also facing Same issue…Need Help.

#3

I found temporary solution that add old versions of plugin in package.json and install npm (npm install)

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#4

Here are some instructions on how to migrate from v3 to v4: https://ionicframework.com/docs/building/migration

#5

working fine thank you…