Copy SVG from URL & load. Clicking on image toggles a no-op filter. In WebKit nightly, filter results in a brighter image, a bug. (Worked the same with a component transfer effect, type "identity"). No problem in Canary.
Created attachment 196644 [details]
Same test as an attachment.
I guess bug 72411 didn't fix this entirely.
*** Bug 165110 has been marked as a duplicate of this bug. ***