LabelImg is now part of the Label Studio community. The popular image annotation tool created by Tzutalin is no longer actively being developed, but you can check out Label Studio, the open source data labeling tool for images, text, hypertext, audio, video and time-series data.
PyQt version:
The original image has a pixel size of 1920x1080, but after annotating with labelimg, the maximum pixel width is only 1680. If you don't want the image to be cropped, what should you do?