Note that if a particular channel/release has the "Qualified" modifier, that means WebRender may be controlled via the qualified pref. If the modifier is not present, then it cannot be turned off via said pref.
===macOS===
Shipping to all versions of MacOS (except the current 10.16 Beta). Remaining OS version filters remove in Firefox 82.
===Windows 10===
|style="color:red"|Blocklist [https://searchfox.org/mozilla-central/rev/cfaa250d14e344834932de4c2eed0061701654da/widget/GfxInfoX11.cpp#517]
|}
===macOS===
Shipping to all versions of MacOS (except the current 10.16 Beta). Remaining OS version filters remove in Firefox 82.
===Android===