The value reduced to 0.01% in Nightly 90 and now 0 in Nightly 91. Not sure what happened as noVNC hasn't change. Anyway, we can probably try disabling it on Nightly.
Bug 973604 Comment 22 Edit History
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~~The value reduced to 0.01% in Nightly 90 and now 0 in Nightly 91. Not sure what happened as noVNC hasn't change. Anyway, we can probably try disabling it on Nightly.~~