michel_ouba/FF_arkenfox_user.js
michel_ouba/FF_arkenfox_user.js
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2421 fixup Ion/Jit note

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Thorin-Oakenpants 2020-03-28 13:18:34 +00:00 committed by GitHub
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user.js
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@ -1055,7 +1055,7 @@ user_pref("dom.vibrator.enabled", false);
* [6] https://rh0dev.github.io/blog/2017/the-return-of-the-jit/ ***/ * [6] https://rh0dev.github.io/blog/2017/the-return-of-the-jit/ ***/
user_pref("javascript.options.asmjs", false); user_pref("javascript.options.asmjs", false);
/* 2421: disable Ion and baseline JIT to help harden JS against exploits /* 2421: disable Ion and baseline JIT to help harden JS against exploits
* [NOTE] In FF75+ these no longer affect extensions (1599226) * [NOTE] Disabling JIT also disables Ion. In FF75+ disabling Ion no longer affects extensions (1599226)
* [WARNING] If false, causes the odd site issue and there is also a performance loss * [WARNING] If false, causes the odd site issue and there is also a performance loss
* [1] https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0817 ***/ * [1] https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0817 ***/
// user_pref("javascript.options.ion", false); // user_pref("javascript.options.ion", false);