I’ve long wanted what seems like a simple feature in GDocs: right click and “show me who wrote this”. All the data is there, and can eventually be determined by inspecting the history, but it’s not well exposed.
https://webapps.stackexchange.com/questions/73080/is-there-a...
Though, I suspect that's intended as a generalization of the various VCS options they support.
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I do think it'd be good to move away from the negative connotation associated with blame. I want to know who to ask about some code, not who to blame for it breaking.