После недавнего минорного обновления перестал работать webgl. В about:support:
(#0) Error GLContext just crashed and is now disabled.
(#2) Error GLContext is disabled due to a previous crash.
(#3) Error GLContext is disabled due to a previous crash.
(#4) Error GLContext is disabled due to a previous crash.
(#5) Error GLContext is disabled due to a previous crash.
(#6) Error GLContext is disabled due to a previous crash.