I completed the Wrath of the Machine raid on heroic a couple of weeks ago, and got the trophy for it, but it didn't unlock the progress in the Rise of Iron book.
The book is still tracking progress, because I got the 'A Life Exotic' part unlocked yesterday!
Any ideas?
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Bungie is aware of the issue, as evidenced in this [url=https://www.bungie.net/en/Forum/Post/223815629/0/0]post[/url]. You will need to complete the 380 light (i.e. Non-weekly featured raid) version of this raid for that node. [quote][b]"Meddle with Metal" Milestone in Rise of Iron Record Book[/b] We are aware that completing the LL390 Wrath of the Machine Heroic Mode is not unlocking the "Meddle with Metal" milestone in the Rise of Iron Record Book. Players should still be able to complete this milestone by completing the [u]LL380[/u] Wrath of the Machine Heroic Mode.[/quote]