The GBPUSD has moved to a new day high and new highs since the end of March.
Connecting recent highs on the hourly chart, that trend line comes in at 1.31956. Breaking above it and the 1.3200 level would be more bullish.
As per previous post for shorting GBPUSD. 1.3500 level is a good level to take profit and start to short GBPUSD.