--- a/layout/reftests/box-shadow/reftest.list
+++ b/layout/reftests/box-shadow/reftest.list
@@ -35,14 +35,14 @@ fuzzy(26,3610) fuzzy-if(d2d,26,5910) fuz
 # fuzzy due to blur going inside, but as long as it's essentially black instead of a light gray its ok.
 fuzzy(13,9445) fuzzy-if(d2d,13,10926) fuzzy-if(webrender,14,14307) == boxshadow-inset-large-offset.html boxshadow-inset-large-offset-ref.html
 
 == overflow-not-scrollable-1.html overflow-not-scrollable-1-ref.html
 == overflow-not-scrollable-1.html overflow-not-scrollable-1-ref2.html
 == overflow-not-scrollable-2.html overflow-not-scrollable-2-ref.html
 fuzzy-if(webrender,1,655) == 611574-1.html 611574-1-ref.html
 fuzzy-if(webrender,4,144) == 611574-2.html 611574-2-ref.html
-fuzzy-if(winWidget,5,30) fuzzy-if(skiaContent,16,10) fuzzy-if(webrender,51-51,120-120) == fieldset.html fieldset-ref.html # minor anti-aliasing problem on Windows
+fuzzy-if(winWidget,5,30) fuzzy-if(skiaContent,16,10) fuzzy-if(webrender,51-51,80-80) == fieldset.html fieldset-ref.html # minor anti-aliasing problem on Windows
 fuzzy-if(winWidget,5,30) fuzzy-if(skiaContent,16,10) fails-if(webrender) == fieldset-inset.html fieldset-inset-ref.html # minor anti-aliasing problem on Windows
 == 1178575.html 1178575-ref.html
 == 1178575-2.html 1178575-2-ref.html
 fuzzy(159,2) fails-if(!dwrite) == 1212823-1.html 1212823-1-ref.html
 == boxshadow-large-offset.html boxshadow-large-offset-ref.html

--- a/layout/reftests/forms/fieldset/reftest.list
+++ b/layout/reftests/forms/fieldset/reftest.list
@@ -5,17 +5,17 @@ fuzzy-if(skiaContent,2,13) == dynamic-le
 == fieldset-scroll-1.html fieldset-scroll-1-ref.html
 == fieldset-scrolled-1.html fieldset-scrolled-1-ref.html
 == fieldset-overflow-auto-1.html fieldset-overflow-auto-1-ref.html
 fuzzy-if(winWidget&&!layersGPUAccelerated,142,276) == positioned-container-1.html positioned-container-1-ref.html
 == relpos-legend-1.html relpos-legend-1-ref.html
 == relpos-legend-2.html relpos-legend-2-ref.html
 == relpos-legend-3.html relpos-legend-3-ref.html
 == relpos-legend-4.html relpos-legend-4-ref.html
-== sticky-legend-1.html sticky-legend-1-ref.html
+fails-if(webrender) == sticky-legend-1.html sticky-legend-1-ref.html
 fuzzy-if(skiaContent,1,40768) == abs-pos-child-sizing.html abs-pos-child-sizing-ref.html
 == overflow-hidden.html overflow-hidden-ref.html
 == legend-rtl.html legend-rtl-ref.html
 == fieldset-grid-001.html fieldset-grid-001-ref.html
 == fieldset-flexbox-001.html fieldset-flexbox-001-ref.html
 == fieldset-min-width-1a.html fieldset-min-width-1-ref.html
 == fieldset-min-width-1b.html fieldset-min-width-1-ref.html
 == fieldset-min-width-2a.html fieldset-min-width-2-ref.html