rawler's allocation guard is sized in samples but worded in pixels, and
a linear DNG passes width × 3. A 22927 × 8966 Lightroom panorama was
refused as ">50000 px wide", and develop fell back silently to the
embedded preview. Route rawler through third_party with the guard at
1.5 G samples and 200 000 per axis.
dtourolle
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