Thank you Joao, for workaround I made a AHK script to clear out the notification for me each 1h :)
Join worked well so far, one thing I noticed that Join Chrome apps received the notification from my phone but after like 10-20 notif, it...
Sorry but there is an issue with the forum where it can't send out emails.Because of this the forum is in read-only mode at the moment.
You can find the currently known issues with Tasker and possible workarounds here.
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