Changelog since 4.5.3:

  • All Platforms
    • Update Firefox to 38.2.0esr
    • Update OpenSSL to 1.0.1p
    • Update HTTPS-Everywhere to 5.0.7
    • Update NoScript to 2.6.9.34
    • Update meek to 0.20
    • Update Tor to 0.2.6.10 with patches:
      • Bug 16674: Allow FQDNs ending with a single ‘.’ in our SOCKS host name checks.
      • Bug 16430: Allow DNS names with _ characters in them (fixes nytimes.com)
      • Bug 15482: Don’t allow circuits to change while a site is in use
    • Update Torbutton to 1.9.3.2
      • Bug 16731: TBB 5.0 a3/a4 fails to download a file on right click
      • Bug 16730: Reset NoScript whitelist on upgrade
      • Bug 16722: Prevent “Tiles” feature from being enabled after upgrade
      • Bug 16488: Remove “Sign in to Sync” from the browser menu (fixup)
      • Bug 16268: Show Tor Browser logo on About page
      • Bug 16639: Check for Updates menu item can cause update download failure
      • Bug 15781: Remove the sessionstore filter
      • Bug 15656: Sync privacy.resistFingerprinting with Torbutton pref
      • Bug 16427: Use internal update URL to block updates (instead of 127.0.0.1)
      • Bug 16200: Update Cache API usage and prefs for FF38
      • Bug 16357: Use Mozilla API to wipe permissions db
      • Bug 14429: Make sure the automatic resizing is disabled
      • Translation updates
    • Update Tor Launcher to 0.2.7.7
      • Bug 16428: Use internal update URL to block updates (instead of 127.0.0.1)
      • Bug 15145: Visually distinguish “proxy” and “bridge” screens.
      • Translation updates
    • Bug 16730: Prevent NoScript from updating the default whitelist
    • Bug 16715: Use ThreadsafeIsCallerChrome() instead of IsCallerChrome()
    • Bug 16572: Verify cache isolation for XMLHttpRequests in Web Workers
    • Bug 16884: Prefer IPv6 when supported by the current Tor exit
    • Bug 16488: Remove “Sign in to Sync” from the browser menu
    • Bug 16662: Enable network.http.spdy.* prefs in meek-http-helper
    • Bug 15703: Isolate mediasource URIs and media streams to first party
    • Bug 16429+16416: Isolate blob URIs to first party
    • Bug 16632: Turn on the background updater and restart prompting
    • Bug 16528: Prevent indexedDB Modernizr site breakage on Twitter and elsewhere
    • Bug 16523: Fix in-browser JavaScript debugger
    • Bug 16236: Windows updater: avoid writing to the registry
    • Bug 16625: Fully disable network connection prediction
    • Bug 16495: Fix SVG crash when security level is set to “High”
    • Bug 13247: Fix meek profile error after bowser restarts
    • Bug 16005: Relax WebGL minimal mode
    • Bug 16300: Isolate Broadcast Channels to first party
    • Bug 16439: Remove Roku screencasting code
    • Bug 16285: Disabling EME bits
    • Bug 16206: Enforce certificate pinning
    • Bug 15910: Disable Gecko Media Plugins for now
    • Bug 13670: Isolate OCSP requests by first party domain
    • Bug 16448: Isolate favicon requests by first party
    • Bug 7561: Disable FTP request caching
    • Bug 6503: Fix single-word URL bar searching
    • Bug 15526: ES6 page crashes Tor Browser
    • Bug 16254: Disable GeoIP-based search results.
    • Bug 16222: Disable WebIDE to prevent remote debugging and addon downloads.
    • Bug 13024: Disable DOM Resource Timing API
    • Bug 16340: Disable User Timing API
    • Bug 14952: Disable HTTP/2
    • Bug 1517: Reduce precision of time for Javascript
    • Bug 13670: Ensure OCSP & favicons respect URL bar domain isolation
    • Bug 16311: Fix navigation timing in ESR 38
  • Windows
    • Bug 16014: Staged update fails if meek is enabled
    • Bug 16269: repeated add-on compatibility check after update (meek enabled)
  • Mac OS
    • Use OSX 10.7 SDK
    • Bug 16253: Tor Browser menu on OS X is broken with ESR 38
    • Bug 15773: Enable ICU on OS X
  • Build System
    • Bug 16351: Upgrade our toolchain to use GCC 5.1
    • Bug 15772 and child tickets: Update build system for Firefox 38
    • Bugs 15921+15922: Fix build errors during Mozilla Tryserver builds
    • Bug 15864: rename sha256sums.txt to sha256sums-unsigned-build.txt

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