Still reproduces with lp:inkscape/0.92.x r12725 and latest cairo 1.15.5 (git master @55e0b21):
Steps:
1) Open the example from comment #1 in Inkscape 0.92pre4 r15275
2) Add solid fill colors (light grey for rects, red for circles)
3) Save a copy as PDF
Result: red-filled circles <= 0.018mm missing in the exported PDF file.
Still reproduces with lp:inkscape/0.92.x r12725 and latest cairo 1.15.5 (git master @55e0b21):
Steps:
1) Open the example from comment #1 in Inkscape 0.92pre4 r15275
2) Add solid fill colors (light grey for rects, red for circles)
3) Save a copy as PDF
Result: red-filled circles <= 0.018mm missing in the exported PDF file.