Firefox/Roadmap/Updates: Difference between revisions

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added note about pref
(added note about pref)
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** [https://bugzilla.mozilla.org/show_bug.cgi?id=1634135 Spidermonkey, the Mozilla JavaScript engine, got a new regular expression engine] which is enabled in Nightly only for testing. The new engine includes [https://bugzilla.mozilla.org/show_bug.cgi?id=1225665 support for RegExp lookbehind.]
** [https://bugzilla.mozilla.org/show_bug.cgi?id=1634135 Spidermonkey, the Mozilla JavaScript engine, got a new regular expression engine] which is enabled in Nightly only for testing. The new engine includes [https://bugzilla.mozilla.org/show_bug.cgi?id=1225665 support for RegExp lookbehind.]
** [https://bugzilla.mozilla.org/show_bug.cgi?id=312971 Gecko now supports the :read-only and :read-write pseudoclasses unprefixed.]
** [https://bugzilla.mozilla.org/show_bug.cgi?id=312971 Gecko now supports the :read-only and :read-write pseudoclasses unprefixed.]
** [https://bugzilla.mozilla.org/show_bug.cgi?id=773942 Firefox now allows viewing of PDFs even if the response HTTP headers include Content-Disposition:attachment.]
** [https://bugzilla.mozilla.org/show_bug.cgi?id=773942 Firefox now allows viewing of PDFs even if the response HTTP headers include Content-Disposition:attachment.] Set "browser.helperApps.showOpenOptionForPdfJS" to true in about:config (will be enabled by default in tomorrow's Nightly builds)
** [https://bugzilla.mozilla.org/show_bug.cgi?id=1555057 The Firefox DevTools now tells you which extension blocked a resource.]
** [https://bugzilla.mozilla.org/show_bug.cgi?id=1555057 The Firefox DevTools now tells you which extension blocked a resource.]


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