Way #2: Check the 'Show selected files' option in the Sort&Filter panel 'gear menu', and use [ ] Selected checkbox in Sort&Filter panel to limit navigation to selected files only.
Way 2 note: if you unselect some file, it will disappear from selected files subset, so from current file list display and there is no a simple one-key way to get it selected back.
Way #1: mark selected images
Way #1: mark selected images with some rating or label, then use Sort&Filter panel to filter-out other images: https://updates.fastrawviewer.com/data/FastRawViewer2-Manual-ENG.pdf#pag...
Way #2: Check the 'Show selected files' option in the Sort&Filter panel 'gear menu', and use [ ] Selected checkbox in Sort&Filter panel to limit navigation to selected files only.
Way 2 note: if you unselect some file, it will disappear from selected files subset, so from current file list display and there is no a simple one-key way to get it selected back.
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Alex Tutubalin/FastRawViewer team