Upscaler released version 1.5.0 (later updated to 1.5.1) with batch image upscaling and sequential image processing support.Users can now open multiple images at once and enhance them one by one, through file dialog or drag-and-drop functionality.The release has improved image loading speed and memory usage by porting to asyncio and threading Python modules.Upscaler can be installed on most Linux systems using Flatpak package and offers a native UI integrating well with GNOME Desktop.