ToDo: diffs FF102-FF103

FF103 is scheduled for release July 26th

FF103 release notes FF103 for developers FF103 security advisories

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68 diffs ( 34 new, 19 gone, 15 different )

new in v103.0:

• FYI: pref(“browser.display.os-zoom-behavior”, 1); this ticket 1782287 explains it

removed, renamed or hidden in v103.0:

• 6012 pref(“security.pki.sha1_enforcement_level”, 1); 1766687 - https://github.com/arkenfox/user.js/pull/1508/commits/0e2d566cc3bc139965842833d9de22fafae567cb

changed in v103.0:

• 7016 pref(“network.cookie.cookieBehavior”, 5); // prev: 4

ignore

click me for details

==NEW

pref("browser.aboutwelcome.templateMR", false);
pref("browser.download.open_pdf_attachments_inline", false);
pref("browser.newtabpage.activity-stream.discoverystream.recentSaves.enabled", false);
pref("devtools.browserconsole.enableNetworkMonitoring", false);
pref("devtools.browsertoolbox.scope", "everything");
pref("dom.events.asyncClipboard.readText", false);
pref("dom.fullscreen.modal", false);
pref("dom.text-recognition.enabled", false);
pref("fission.enforceBlocklistedPrefsInSubprocesses.tmp", false);
pref("fission.omitBlocklistedPrefsInSubprocesses.tmp", false);
pref("gfx.direct3d11.reuse-decoder-device-force-enabled", false);
pref("image.decode-sync.enabled", false);
pref("javascript.options.experimental.array_find_last", false);
pref("layout.css.has-selector.enabled", false);
pref("layout.css.linear-easing-function.enabled", false);
pref("layout.expose_high_rate_mode_from_refreshdriver", true);
pref("media.av1.force-thread-count", 0);
pref("media.av1.new-thread-count-strategy", false);
pref("media.videocontrols.picture-in-picture.display-text-tracks.toggle.enabled", true);
pref("network.allow_raw_sockets_in_content_processes", false);
pref("network.http.origin.redirectTainted", true);
pref("network.trr.retry_on_recoverable_errors", true);
pref("pdfjs.annotationEditorEnabled", false);
pref("privacy.restrict3rdpartystorage.preferences.learnMoreURLSuffix", "total-cookie-protection");
pref("remote.experimental.enabled", false);
pref("security.tls.ech.disable_grease_on_fallback", true);
pref("security.tls.ech.grease_probability", 50);
pref("security.tls.ech.grease_size", 100);
pref("security.webauthn.ctap2", false);
pref("widget.windows.alternate_fullscreen_heuristics", true);
pref("widget.windows.fullscreen_marking_workaround", 0);
pref("widget.windows.uwp-system-colors.enabled", true);
pref("widget.windows.uwp-system-colors.highlight-accent", false);

==REMOVED, RENAMED or HIDDEN

pref("browser.newtabpage.activity-stream.discoverystream.compactLayout.enabled", false);
pref("browser.preferences.instantApply", false);
pref("devtools.devices.url", "https://code.cdn.mozilla.net/devices/devices.json");
pref("devtools.netmonitor.features.serverSentEvents", true);
pref("devtools.netmonitor.features.webSockets", true);
pref("devtools.remote.tls-handshake-timeout", 10000);
pref("dom.ipc.shims.enabledWarnings", false);
pref("dom.menuitem.enabled", false);
pref("fission.frontend.simulate-events", false);
pref("fission.frontend.simulate-messages", false);
pref("plugins.flashBlock.enabled", true);
pref("reader.improvements_H12022.enabled", false);
pref("urlclassifier.flashAllowExceptTable", "except-flashallow-digest256");
pref("urlclassifier.flashAllowTable", "allow-flashallow-digest256");
pref("urlclassifier.flashExceptTable", "except-flash-digest256");
pref("urlclassifier.flashSubDocExceptTable", "except-flashsubdoc-digest256");
pref("urlclassifier.flashSubDocTable", "block-flashsubdoc-digest256");
pref("urlclassifier.flashTable", "block-flash-digest256");

==CHANGED

pref("browser.contentblocking.features.strict", "tp,tpPrivate,cm,fp,stp,lvl2,rp,rpTop,ocsp,qps"); // prev: "tp,tpPrivate,cookieBehavior5,cookieBehaviorPBM5,cm,fp,stp,lvl2,rp,rpTop,ocsp,qps"
pref("browser.safebrowsing.provider.mozilla.lists", "base-track-digest256,mozstd-trackwhite-digest256,google-trackwhite-digest256,content-track-digest256,mozplugin-block-digest256,mozplugin2-block-digest256,ads-track-digest256,social-track-digest256,analytics-track-digest256,base-fingerprinting-track-digest256,content-fingerprinting-track-digest256,base-cryptomining-track-digest256,content-cryptomining-track-digest256,fanboyannoyance-ads-digest256,fanboysocial-ads-digest256,easylist-ads-digest256,easyprivacy-ads-digest256,adguard-ads-digest256,social-tracking-protection-digest256,social-tracking-protection-facebook-digest256,social-tracking-protection-linkedin-digest256,social-tracking-protection-twitter-digest256"); // prev: "base-track-digest256,mozstd-trackwhite-digest256,google-trackwhite-digest256,content-track-digest256,mozplugin-block-digest256,mozplugin2-block-digest256,block-flash-digest256,except-flash-digest256,allow-flashallow-digest256,except-flashallow-digest256,block-flashsubdoc-digest256,except-flashsubdoc-digest256,ads-track-digest256,social-track-digest256,analytics-track-digest256,base-fingerprinting-track-digest256,content-fingerprinting-track-digest256,base-cryptomining-track-digest256,content-cryptomining-track-digest256,fanboyannoyance-ads-digest256,fanboysocial-ads-digest256,easylist-ads-digest256,easyprivacy-ads-digest256,adguard-ads-digest256,social-tracking-protection-digest256,social-tracking-protection-facebook-digest256,social-tracking-protection-linkedin-digest256,social-tracking-protection-twitter-digest256"
pref("dom.block_reload_from_resize_event_handler", false); // prev: true
pref("dom.fileHandle.enabled", false); // prev: true
pref("dom.streams.transferable.enabled", true); // prev: false
pref("extensions.InstallTriggerImpl.enabled", false); // prev: true
pref("gfx.direct3d11.reuse-decoder-device", true); // prev: -1
pref("layout.css.backdrop-filter.enabled", true); // prev: false
pref("layout.display_partial_background_images", true); // prev: false
pref("mathml.scriptminsize_attribute.disabled", true); // prev: false
pref("mathml.scriptsizemultiplier_attribute.disabled", true); // prev: false
pref("media.autoplay.block-webaudio", true); // prev: false
pref("services.sync.engine.tabs.filteredSchemes", "about|resource|chrome|file|blob|moz-extension|data"); // prev: "about|resource|chrome|file|blob|moz-extension"
pref("urlclassifier.disallow_completions", "goog-downloadwhite-digest256,base-track-digest256,mozstd-trackwhite-digest256,content-track-digest256,mozplugin-block-digest256,mozplugin2-block-digest256,goog-passwordwhite-proto,ads-track-digest256,social-track-digest256,analytics-track-digest256,base-fingerprinting-track-digest256,content-fingerprinting-track-digest256,base-cryptomining-track-digest256,content-cryptomining-track-digest256,fanboyannoyance-ads-digest256,fanboysocial-ads-digest256,easylist-ads-digest256,easyprivacy-ads-digest256,adguard-ads-digest256,social-tracking-protection-digest256,social-tracking-protection-facebook-digest256,social-tracking-protection-linkedin-digest256,social-tracking-protection-twitter-digest256"); // prev: "goog-downloadwhite-digest256,base-track-digest256,mozstd-trackwhite-digest256,content-track-digest256,mozplugin-block-digest256,mozplugin2-block-digest256,block-flash-digest256,except-flash-digest256,allow-flashallow-digest256,except-flashallow-digest256,block-flashsubdoc-digest256,except-flashsubdoc-digest256,goog-passwordwhite-proto,ads-track-digest256,social-track-digest256,analytics-track-digest256,base-fingerprinting-track-digest256,content-fingerprinting-track-digest256,base-cryptomining-track-digest256,content-cryptomining-track-digest256,fanboyannoyance-ads-digest256,fanboysocial-ads-digest256,easylist-ads-digest256,easyprivacy-ads-digest256,adguard-ads-digest256,social-tracking-protection-digest256,social-tracking-protection-facebook-digest256,social-tracking-protection-linkedin-digest256,social-tracking-protection-twitter-digest256"

[rusty-snake]

Yes, if it has an Content-Disposition: attachment it is opened in a (new?) tab instead of being downloaded.

[opusforlife2]

What does “opening PDFs inline” mean? That instead of downloading them, they are opened in a new tab using that URL?