Yes, you will get an accumulation of detritus between the gravel and the geotextile, and weeds will grow in this. As they can only form very shallow roots though, any weeds will be extremely easy to lift. I’ve also been advised to bury the edges vertically at least 15cm down to stop weeds coming in from the side and growing underneath.
Did you prefer the vibrator or the compactor Stella ?
So bad 
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Sorry, couldn’t resist !
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