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ToDo: diffs FF125.0.1-FF126 #1842

@earthlng

Description

@earthlng

FF126 release date: May 14th 2024

FF126 release notes
FF126 for developers
FF126 security advisories


89 diffs ( 48 new, 24 gone, 17 different )

removed, renamed or hidden in v126.0:

  • pref("browser.messaging-system.whatsNewPanel.enabled", true); - 1724300 734f2c2

changed in v126.0:

  • pref("browser.urlbar.clipboard.featureGate", false); // prev: true - 0807
  • pref("network.http.speculative-parallel-limit", 20); // prev: 6 - 0604

ignore

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==NEW

pref("browser.newtabpage.activity-stream.feeds.wallpaperfeed", true);
pref("browser.newtabpage.activity-stream.newtabWallpapers.enabled", false);
pref("browser.newtabpage.activity-stream.newtabWallpapers.wallpaper-dark", "");
pref("browser.newtabpage.activity-stream.newtabWallpapers.wallpaper-light", "");
pref("devtools.toolbox.splitconsole.enabled", true);
pref("devtools.toolbox.splitconsole.open", false);
pref("dom.events.textevent.enabled", false);
pref("dom.fetchKeepalive.enabled", false);
pref("dom.innerSize.rounding", 2);
pref("dom.shadowdom.selection_across_boundary.enabled", false);
pref("dom.text_fragments.enabled", false);
pref("dom.webgpu.allow-present-without-readback", true);
pref("dom.webnotifications.loglevel", "Error");
pref("gfx.canvas.remote.use-draw-image-fast-path", true);
pref("gfx.remote-texture.recycle.disabled", false);
pref("javascript.options.main_process_disable_jit", false);
pref("layout.css.at-scope.enabled", false);
pref("layout.css.basic-shape-shape.enabled", false);
pref("layout.css.letter-spacing.model", 0);
pref("layout.css.relative-color-syntax.enabled", false);
pref("layout.css.starting-style-at-rules.enabled", false);
pref("layout.css.video-dynamic-range.allows-high", false);
pref("mathml.centered_operators.disabled", true);
pref("mathml.top_bottom_spacing_for_stretchy_operators.disabled", true);
pref("media.cubeb.input_drift_factor", "1.0");
pref("media.cubeb.output_drift_factor", "1.0");
pref("media.gmp-manager.allowLocalSources", true);
pref("media.theora.enabled", true);
pref("media.widevine.hdcp-protection-mask", true);
pref("network.decompression_off_mainthread", true);
pref("network.decompression_off_mainthread_min_size", 512);
pref("network.dns.preferIPv6", false);
pref("network.fetch.systemDefaultsToOmittingCredentials", true);
pref("network.http.digest_auth_cnonce_length", 16);
pref("network.http.http2.aggressive_coalescing", false);
pref("network.http.priority_header.enabled", true);
pref("network.url.simple_uri_schemes", "");
pref("network.url.some_schemes_bypass_defaultURI_fallback", true);
pref("print.center_page_on_sheet", 2);
pref("reader.colors_menu.enabled", false);
pref("reader.custom_colors.background", "");
pref("reader.custom_colors.foreground", "");
pref("reader.custom_colors.selection-highlight", "");
pref("reader.custom_colors.unvisited-links", "");
pref("reader.custom_colors.visited-links", "");
pref("sidebar.revamp", false);
pref("toolkit.contentRelevancy.enabled", false);
pref("toolkit.telemetry.user_characteristics_ping.logLevel", "Warn");

==REMOVED, RENAMED or HIDDEN

pref("apz.drag.initial.enabled", true);
pref("apz.force_disable_desktop_zooming_scrollbars", false);
pref("apz.mvm.force-enabled", true);
pref("browser.newtabpage.activity-stream.asrouter.providers.whats-new-panel", "{\"id\":\"whats-new-panel\",\"enabled\":false,\"type\":\"remote-settings\",\"collection\":\"whats-new-panel\",\"updateCycleInMs\":3600000}");
pref("corroborator.enabled", true);
pref("devtools.command-button-splitconsole.enabled", true);
pref("devtools.toolbox.splitconsoleEnabled", false);
pref("dom.block_reload_from_resize_event_handler", false);
pref("dom.innerSize.rounded", true);
pref("dom.input.skip_cursor_move_for_same_value_set", true);
pref("dom.webgpu.swap-chain.external-texture-dx12", false);
pref("fission.preserve_browsing_contexts", true);
pref("fission.remoteObjectEmbed", true);
pref("layout.css.motion-path-basic-shapes.enabled", true);
pref("layout.css.motion-path-coord-box.enabled", true);
pref("layout.css.motion-path-offset-position.enabled", true);
pref("layout.css.motion-path-ray.enabled", true);
pref("prompts.contentPromptSubDialog", true);
pref("prompts.modalType.httpAuth", 2);
pref("prompts.tabChromePromptSubDialog", true);
pref("prompts.windowPromptSubDialog", true);
pref("sidebar.companion", false);
pref("ui.-moz-autofill-background", "rgba(255, 249, 145, .5)");

==CHANGED

pref("browser.backup.enabled", true); // prev: false
pref("browser.sessionstore.max_windows_undo", 5); // prev: 3
pref("browser.urlbar.yelp.minKeywordLength", 0); // prev: 5
pref("dom.disable_tab_focus_to_root_element", true); // prev: false
pref("dom.element.customstateset.enabled", true); // prev: false
pref("dom.screenwakelock.enabled", true); // prev: false
pref("dom.security.setdocumenturi", true); // prev: false
pref("gfx.webrender.overlay-vp-auto-hdr", true); // prev: false
pref("gfx.webrender.overlay-vp-super-resolution", true); // prev: false
pref("layout.css.prefixes.transforms", false); // prev: true
pref("layout.css.prefixes.transitions", false); // prev: true
pref("layout.css.zoom.enabled", true); // prev: false
pref("network.http.accept-encoding.secure", "gzip, deflate, br, zstd"); // prev: "gzip, deflate, br"
pref("pdfjs.enableHighlightEditor", true); // prev: false
pref("reader.color_scheme.values", "[\"auto\",\"light\",\"dark\",\"sepia\",\"contrast\",\"gray\"]"); // prev: "[\"light\",\"dark\",\"sepia\",\"auto\"]"

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