In Minibrowser, the settings to enable async image decoding for large and animated imaages are off by default. When running "defaults delete org.webkit.MiniBrowser" and then opening Minibrowser, the async image decoding settings should be turned on by default.
<rdar://problem/31421543>
Created attachment 306188 [details] Patch
Comment on attachment 306188 [details] Patch Actually this same problem occurs with lots of other prefs. I think we need to detect when the prefs don't exist, and init stuff from WK1/WK2 prefs.
You can give this bug to me if you want.
Created attachment 306223 [details] Patch
Comment on attachment 306223 [details] Patch I don't love it, but it's better than the alternatives.
Comment on attachment 306223 [details] Patch Clearing flags on attachment: 306223 Committed r214911: <http://trac.webkit.org/changeset/214911>
All reviewed patches have been landed. Closing bug.