Think about re-enabling touch events on desktop Tor Browser platforms
We disabled dom.w3c_touch_events.enabled in #10286 (moved) as a defense-in-depth against fingerprinting while providing a patch to neuter the risk here as well. The patch got upstreamed in https://bugzilla.mozilla.org/show_bug.cgi?id=1382499 and made it into Firefox 60 ESR.
We should think about whether we should enable the preference again for desktop platforms. We start doing that for Android with #27256 (moved).
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