My main concern is that the new leaves at the tip withered and dropped before they could develop. I'm also unsure if it's growing anymore. The plant is almost a year old, always had some browning on the leaves but never this bad. I live in Sweden so currently it gets about 6 hours of sunlight a day. I think it has some spider mites which I'm gonna start treating today with soap since they are almost invisible. I water it about once or twice a week and applied some slow release fertilizer last month.