The Day Our Python gRPC Connections Died

Image by OpenIcons from Pixabay

On the 30th of September 2021, a heavily-used root certificate — DST Root CA X3 — expired. You can read all about it here.

According to a handful of forum posts and github issues I’ve come across, the change has caused a fair amount of pain to those unfortunates who failed to heed the warnings, but for most of us this really wasn’t a surprise. For our team, the expiration date came and went…

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