What's new in 9.2 ? (4/11/2021)
Read More gives the possibility to import and export images in a folder to playback them.
Go to FILE -> Export Video and select "Image Sequence" in the File Exporter option. You can export your composition in JPG, PNG or Targa.
This will create a folder, containing your frames, named with the fps information like below:
Then, you only have to drag and drop this folder in the layer tree.