I purchased Affinity Photo for multi-layered pixel art creation, but I'm finding that I cannot use the Merge Layers or Rasterize layer features because they automatically choose a filtering algorithm which causes blurring.   How can I fix this? This currently is a deal-breaker for me unfortunately.   I've tried the following: Using Nearest rendering in the Performance settings (this causes everything to look as I expect on the canvas while editing the document, but the