There’s a stickied thread at the top of the forum…
How to Write a Good Bug Report
- Please use the Search feature to search the forum and see what bugs are posted. If you have a duplicate thread, we will lock it and point you to the current thread where the bug is being discussed.
Here are the previous 36 threads about Calamity and Momentum stacks…
https://us.forums.blizzard.com/en/d3/search?q=calamity%20momentum%20category%3A23%20order%3Alatest
Here are the previous 50+ threads about Calamity…
https://us.forums.blizzard.com/en/d3/search?q=calamity%20category%3A23%20order%3Alatest