I bought a black satin blackberry plant last year, i was advised it was first year cain and not to expect fruit.

followed all guidance but im now confused thsi is into second year the weather has been warmer and my blackberry okant has started changing colour on the leaves but new leaves are appearing behind them is rhis normal or is it diseased?

only secind year growing fruit and havnt had any issues until now

first photo is the concern second photo is how new leaves growing in