Xcode delayed too much
I have Mac mini with processor 2.5 GHz Intel Core i5 and ram 10 GB 1600 MHz DDR3. Xcode is too much hanged while I am working Assets.xcassets. Adding images to assets is taking too much time. Memory consumption was showed on activity monitor is more than 1GB. How can I solved the issue..?
Mac mini, iOS 11.2.6