No need to be petrified

. All it means is that your application has been processed and your passport and documents are on their way back to you.
Not everyone has been getting emails in the last few weeks - it seems Sheffield are being a bit lax about sending them - so not getting one means nothing.
Your timeline seems to fit with other people, like redhawk, who applied around the same time as you and who received their visas in the last few days.
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