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ToDo: diffs FF134-FF135 #1933

@earthlng

Description

@earthlng

FF135 release date: Feb. 4th 2025

FF135 release notes
FF135 for developers
FF135 security advisories


71 diffs ( 41 new, 10 gone, 20 different )

changed in v135.0:

  • nice!
    • pref("browser.navigation.requireUserInteraction", true); // prev: false META: 1645211
    • pref("network.http.http3.enable_kyber", true); // prev: false see https://blog.cloudflare.com/post-quantum-for-all/
      • mozilla will turn shit on when it's ready: looks like we got this with at least 15 years to spare. Phew!
    • pref("places.history.floodingPrevention.enabled", true); // prev: false 1891145
    • pref("security.pki.certificate_transparency.mode", 2); // prev: 0 META 1281469
    • pref("security.sandbox.content.level", 8); // prev: 7 turn it up to eleven!
  • fyi
    • pref("privacy.resistFingerprinting.target_video_res", 1080); // prev: 480 1762919

ignore

click me for details

==NEW

pref("accessibility.typeaheadfind.wrappedSoundURL", "");
pref("app.update.multiSessionInstallLockout.enabled", true);
pref("app.update.multiSessionInstallLockout.timeoutMs", 345600000);
pref("apz.keyboard.focus-optimization", false);
pref("apz.mousemove_hittest_optimization.enabled", false);
pref("apz.popups_without_remote.enabled", false);
pref("browser.ml.chat.prompts.4", "{\"id\":\"proofread\", \"l10nId\":\"genai-prompts-proofread\"}");
pref("browser.newtabpage.activity-stream.discoverystream.sections.blocked", "");
pref("browser.newtabpage.activity-stream.discoverystream.sections.following", "");
pref("browser.newtabpage.activity-stream.discoverystream.sections.personalization.enabled", false);
pref("browser.newtabpage.activity-stream.newtabAdSize.billboard", false);
pref("browser.newtabpage.activity-stream.newtabAdSize.billboard.position", "3");
pref("browser.newtabpage.activity-stream.newtabAdSize.leaderboard", false);
pref("browser.newtabpage.activity-stream.newtabAdSize.leaderboard.position", "3");
pref("browser.profiles.sync.allow-danger-merge", false);
pref("browser.shopping.experience2023.shoppingSidebar", true);
pref("browser.tabs.dragdrop.moveOverThresholdPercent", 70);
pref("browser.translations.useLexicalShortlist", false);
pref("browser.urlbar.unifiedSearchButton.always", false);
pref("browser.urlbar.weather.uiTreatment", 0);
pref("captchadetection.actor.enabled", false);
pref("captchadetection.loglevel", "Warn");
pref("dom.event.mouse.fractional_coordinates.trusted.enabled", false);
pref("dom.event.mouse.fractional_coordinates.untrusted.enabled", false);
pref("dom.event.pointer.fractional_coordinates.enabled", true);
pref("identity.fxaccounts.toolbar.syncSetup.panelAccessed", false);
pref("layout.css.moz-user-input.enabled", false);
pref("media.ffvpx-hw.enabled", false);
pref("media.gmp.coder-shutdown-timeout-ms", 1000);
pref("media.webrtc.codec.video.av1.enabled", false);
pref("media.webrtc.codec.video.av1.experimental_preferred", false);
pref("network.cookie.sameSite.laxByDefaultWarningsForBeta", false);
pref("network.http.idempotencyKey.enabled", false);
pref("network.http.retry_with_another_half_open", false);
pref("network.socket.attach_mock_network_layer", false);
pref("nimbus.telemetry.targetingContextEnabled", true);
pref("permissions.manager.remote.enabled", false);
pref("security.mls.enabled", false);
pref("sidebar.revamp.round-content-area", false);
pref("signon.firefoxRelay.firstOfferVersionFallback", "control");
pref("widget.windows.pip-decorations.enabled", false);

==REMOVED, RENAMED or HIDDEN

pref("browser.shopping.experience2023.ads.exposure", false);
pref("dom.block_multiple_popups", true);
pref("layout.forms.reveal-password-context-menu.enabled", true);
pref("network.dns.use_override_as_peer_address", false);
pref("network.http.throttle.read-interval-ms", 500);
pref("network.http.throttle.read-limit-bytes", 8000);
pref("network.http.throttle.version", 1);
pref("reader.colors_menu.enabled", true);
pref("reader.improved_text_menu.enabled", true);
pref("webextensions.storage.sync.enabled", true);

==CHANGED

pref("browser.contentblocking.report.vpn_regions", "as,at,au,bd,be,bg,br,ca,ch,cl,co,cy,cz,de,dk,ee,eg,es,fi,fr,gb,gg,gr,hr,hu,id,ie,im,in,io,it,je,ke,kr,lt,lu,lv,ma,mp,mt,mx,my,ng,nl,no,nz,pl,pr,pt,ro,sa,se,sg,si,sk,sn,th,tr,tw,ua,ug,uk,um,us,vg,vi,vn,za"); // prev: "ca,my,nz,sg,gb,gg,im,io,je,uk,vg,as,mp,pr,um,us,vi,de,fr,at,be,ch,es,it,ie,nl,se,fi,bg,cy,cz,dk,ee,hr,hu,lt,lu,lv,mt,pl,pt,ro,si,sk"
pref("browser.ml.defaultModelMemoryUsage", 1); // prev: 2
pref("browser.newtabpage.activity-stream.support.url", "https://support.mozilla.org/1/firefox/135.0/WINNT/en-US/new-tab"); // prev: "https://support.mozilla.org/1/firefox/134.0/WINNT/en-US/new-tab"
pref("dom.events.mouse-pointer-boundary.keep-enter-targets-after-over-target-removed", true); // prev: false
pref("dom.forms.always_allow_key_and_focus_events.enabled", true); // prev: false
pref("dom.forms.fieldset_disable_only_descendants.enabled", true); // prev: false
pref("gfx.canvas.accelerated.cache-items", 8192); // prev: 2048
pref("gfx.font_rendering.cleartype_params.force_gdi_classic_for_families", ""); // prev: "Arial,Consolas,Courier New,Microsoft Sans Serif,Segoe UI,Tahoma,Trebuchet MS,Verdana"
pref("gfx.font_rendering.cleartype_params.force_gdi_classic_max_size", 0); // prev: 15
pref("javascript.options.experimental.json_parse_with_source", true); // prev: false
pref("javascript.options.wasm_call_ref_inlining_percent", 40); // prev: 50
pref("javascript.options.wasm_lazy_tiering_for_gc", true); // prev: false
pref("remote.events.async.enabled", true); // prev: false
pref("ui.panel.default_level_parent", true); // prev: false

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