Change Details

Release notes available [here](https://www.mozilla.org/en-US/firefox/56.0.2/releasenotes/) Signed-off-by: Pierre-Yves <pyu@riseup.net>

Release notes available [here](https://www.mozilla.org/en-US/firefox/56.0.2/releasenotes/) - Enable [[ https://hacks.mozilla.org/2017/08/inside-a-super-fast-css-engine-quantum-css-aka-stylo/ | stylo ]] - Backport patches to repair broken flash player Signed-off-by: Pierre-Yves <pyu@riseup.net>

Release notes available [here](https://www.mozilla.org/en-US/firefox/56.0.2/releasenotes/) - Enable [[ https://hacks.mozilla.org/2017/08/inside-a-super-fast-css-engine-quantum-css-aka-stylo/ | stylo ]] - Backport patches to repair broken flash player Signed-off-by: Pierre-Yves <pyu@riseup.net>