In bug 1402094, about:reader is specifically blacklisted for servo backend because of its dependency to scoped style. This is expected to be fixed by bug 1204818.
We'll need to fix this bug before we can remove the old style system code.
We probably need to prioritize this bug. It would be a blocker for removing the old style system.
Priority: P3 → P2
The patches in bug 1430014 effectively already do this.
Yes, but I think we probably want to do this first before removing the old style system in case there is still some problem with styling about:reader that we don't know yet.
Assignee: nobody → cam
Status: NEW → ASSIGNED
Comment on attachment 8943120 [details] Bug 1406274 - Re-enable stylo in about:reader. https://reviewboard.mozilla.org/r/213424/#review219182
Attachment #8943120 - Flags: review?(xidorn+moz) → review+
Pushed by firstname.lastname@example.org: https://hg.mozilla.org/integration/autoland/rev/2573f47a1353 Re-enable stylo in about:reader. r=xidorn
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