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Comparing ray/doc/notes/ReleaseNotes (file contents):
Revision 1.414 by greg, Mon Apr 11 18:08:19 2022 UTC vs.
Revision 1.417 by greg, Thu Aug 4 22:43:46 2022 UTC

# Line 2544 | Line 2544 | ambient cache is on and file is named.  If straight im
2544   is requested, we randomize all samples and avoid cache collisions.
2545  
2546   Added cnt -s option to shuffle output.
2547 +
2548 + Fixed issue with divide-by-zero errors in the ambient super-sampling
2549 + routine discovered by Jon Sargent of Solemma.  This affected regions
2550 + that had zero radiance, such as black backgrounds or unlit areas
2551 + with -av 0 0 0, when super-sampling was effectively disabled, causing
2552 + some loss in accuracy of the results.
2553 +
2554 + Updated Klems Half- and Quarter-bases to match angles currently used
2555 + in WINDOW.
2556 +
2557 + Eliminated most aiming failures for triangular light sources, at the
2558 + expense of conservative sampling near the centroid.  Thanks to
2559 + David Geisler-Moroder for his help on this.

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