| 1382 |  | Fixed bug that caused incorrect reporting of non-surface in set when | 
| 1383 |  | mixing meshes and instances.  (Thanks to Jack de Valpine for discovery.) | 
| 1384 |  |  | 
| 1385 | < | Fixed innacuracy in calculation of diffuse transmission in the presence | 
| 1385 | > | Fixed inaccuracy in calculation of diffuse transmission in the presence | 
| 1386 |  | of pure specular (Fresnel reflection) using "trans" material.  Thanks | 
| 1387 |  | to Christoph Reinhart for pointing out the error. | 
| 1388 |  |  | 
| 1487 |  | Last change to total causes it to produce results when it sees an empty | 
| 1488 |  | line on the input.  This was not intentional, but I decided I like this | 
| 1489 |  | behavior so I documented it rather than changing it. | 
| 1490 | + |  | 
| 1491 | + | ===================== | 
| 1492 | + | Version 3.8 | 
| 1493 | + |  | 
| 1494 | + | Fixed Russian roulette ray termination, which was doing the opposite of | 
| 1495 | + | what it should have been doing, resulting in overestimated values below | 
| 1496 | + | minimum ray sampling weight (serious). | 
| 1497 | + |  | 
| 1498 | + | Changed mksource to use 98th percentile (rather than 99th) for threshold |