Hi @Peter ,
Welcome to the community!
You can update all cards manually or you can use butler rules to update all cards automatically!
If you update any template then it will not update all the boards that have been created from that template you have to manually update it to using butler rules!
Or you can use any third-party automation tools that support this kind of task!
Hello Community! My name is Brittany Joiner and I am a Trello enthusiast and Atlassian Community Leader. I'll be sharing with you a series of videos with my top tips on how to best use Trello...
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