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Apologies if this is an FAQ - I tried a quick search, but that didn't 
find anything that looked both up to date and authoritative.

I keep going back to Gerrit jobs that I've reviewed or commented on, and 
finding that there have been other comments since mine, but that Gerrit 
didn't email me about.

Does anyone know why that happens?  It's really important to my 
workflow, and to continuing review conversations effectively, that 
Gerrit emails new comments reliably and in good time.  Could I be doing 
something wrong that is causing this not to happen?

Many thanks,
	Neil