ToDo: diffs FF89-FF90

[earthlng]

FF90 is scheduled for release July 13th

FF90 release notes [when ready]
FF90 for developers
FF90 security advisories

---

104 diffs ( 61 new, 29 gone, 14 different )

new in v90.0:

• pref("app.update.background.scheduling.enabled", false); - see article - a7ba61c
• FYI: ⚠️ DO NOT USE: experimental and not hooked up - b761a9d
  • read this comment at bugzilla
  • pref("privacy.resistFingerprinting.exemptedDomains", "*.example.invalid");
  • pref("privacy.resistFingerprinting.testGranularityMask", 0);
• FYI: HTTPS-Only mode (see 1244 ) overrides these and is more strict
  • pref("dom.security.https_first", false);
  • pref("dom.security.https_first_pbm", false);

removed, renamed or hidden in v90.0:

• DONE - 981462e and f229a3c
  • 0708 pref("network.ftp.enabled", false); - 1574475
  • 2730 pref("browser.cache.offline.storage.enable", false); - 1694662

changed in v90.0:

• FYI
  • pref("dom.security.secFetch.enabled", true); // prev: false Fetch_metadata_request_header
  • pref("network.http.http3.enabled", true); // prev: false
  • pref("security.osclientcerts.autoload", true); // prev: false OS Client Certs

---

ignore

click me for details

==NEW

pref("accessibility.cache.enabled", false);
pref("app.update.background.timeoutSec", 600);
pref("browser.aboutwelcome.protonDesign", true);
pref("browser.download.improvements_to_download_panel", false);
pref("browser.low_commit_space_threshold_mb", 200);
pref("browser.privatebrowsing.infoTitleEnabled", true);
pref("browser.privatebrowsing.promoTitleEnabled", true);
pref("browser.topsites.contile.enabled", false);
pref("browser.topsites.contile.endpoint", "https://contile.services.mozilla.com/v1/tiles");
pref("browser.urlbar.quicksuggest.nonSponsoredIndex", -1);
pref("browser.urlbar.quicksuggest.sponsoredIndex", -1);
pref("browser.urlbar.unitConversion.enabled", false);
pref("dom.event.wheelDelta.enabled", true);
pref("dom.events.asyncClipboard.read", false);
pref("dom.mouse_capture.enabled", true);
pref("dom.quotaManager.caching.checkBuildId", true);
pref("dom.w3c_pointer_events.scroll_by_pen.enabled", false);
pref("dom.webnotifications.silent.enabled", false);
pref("dom.webnotifications.vibrate.enabled", false);
pref("gfx.font-list-omt.enabled", false);
pref("gfx.windows-font-substitutes.always", false);
pref("image.avif.compliance_strictness", 1);
pref("image.exif-density-correction.enabled", true);
pref("image.exif-density-correction.sanity-check.enabled", true);
pref("image.jxl.enabled", false);
pref("image.svg.blob-image", false);
pref("javascript.options.concurrent_multiprocess_gcs.cpu_divisor", 4);
pref("javascript.options.concurrent_multiprocess_gcs.max", 0);
pref("javascript.options.experimental.ergonomic_brand_checks", true);
pref("javascript.options.experimental.private_fields", true);
pref("javascript.options.experimental.private_methods", true);
pref("javascript.options.self_hosted.use_shared_memory", true);
pref("layout.css.accent-color.enabled", false); // https://drafts.csswg.org/css-ui-4/#widget-accent
pref("layout.css.moz-control-character-visibility.enabled", false);
pref("layout.extra-tick.minimum-ms", -1);
pref("layout.keep_ticking_after_load_ms", 1000);
pref("mousewheel.system_scroll_override.enabled", true);
pref("mousewheel.system_scroll_override.horizontal.factor", 200);
pref("mousewheel.system_scroll_override.vertical.factor", 200);
pref("network.dns.negative_ttl_for_type_record", 300);
pref("network.http.http3.support_version1", true);
pref("nimbus.debug", false);
pref("pdfjs.enableXfa", false);
pref("places.forgetThisSite.clearByBaseDomain", false);
pref("print.save_as_pdf.links.enabled", true);
pref("privacy.query_stripping.allow_list", "");
pref("privacy.query_stripping.enabled", false);
pref("privacy.query_stripping.redirect", true);
pref("privacy.query_stripping.strip_list", "");
pref("threads.control_event_queue.enabled", true);
pref("toolkit.backgroundtasks.defaultTimeoutSec", 600);
pref("widget.gtk.alt-theme.accent", true);
pref("widget.gtk.alt-theme.dark", false);
pref("widget.gtk.alt-theme.scrollbar", false);
pref("widget.gtk.alt-theme.scrollbar_active", true);
pref("widget.gtk.alt-theme.selection", true);
pref("widget.system-colors-follow-theme", false);

==REMOVED or HIDDEN

pref("advanced.mailftp", false);
pref("dom.security.https_only_mode_https_first", false);
pref("dom.security.https_only_mode_https_first_pbm", false);
pref("layout.css.ruby.position-alternate.enabled", true);
pref("media.useAudioChannelAPI", false);
pref("mousewheel.system_scroll_override_on_root_content.enabled", true);
pref("mousewheel.system_scroll_override_on_root_content.horizontal.factor", 200);
pref("mousewheel.system_scroll_override_on_root_content.vertical.factor", 200);
pref("network.ftp.control.qos", 0);
pref("network.ftp.data.qos", 0);
pref("network.ftp.idleConnectionTimeout", 300);
pref("network.proxy.ftp", "");
pref("network.proxy.ftp_port", 0);
pref("pdfjs.enableWebGL", false);
pref("pdfjs.renderer", "canvas");
pref("plugin.mousewheel.enabled", true);
pref("remote.enabled", true);
pref("services.blocklist.pinning.bucket", "pinning");
pref("services.blocklist.pinning.checked", 0);
pref("services.blocklist.pinning.collection", "pins");
pref("services.blocklist.pinning.enabled", true);
pref("services.blocklist.pinning.signer", "pinning-preload.content-signature.mozilla.org");
pref("ui.android.mouse_as_touch", 1);
pref("widget.content.allow-gtk-dark-theme.accent", true);
pref("widget.content.allow-gtk-dark-theme.scrollbar", false);
pref("widget.content.allow-gtk-dark-theme.scrollbar_active", true);
pref("widget.content.allow-gtk-dark-theme.selection", true);

==CHANGED

pref("browser.download.viewableInternally.enabledTypes", "xml,svg,webp,avif,jxl"); // prev: "xml,svg,webp,avif"
pref("browser.startup.preXulSkeletonUI", false); // prev: true
pref("canvas.createConicGradient.enabled", true); // prev: false
pref("gfx.webrender.fallback.software.requires-gpu-process", false); // prev: true
pref("gfx.webrender.fallback.software-d3d11", true); // prev: false
pref("intl.charset.detector.ng.in.enabled", true); // prev: false
pref("intl.charset.detector.ng.jp.enabled", true); // prev: false
pref("intl.charset.detector.ng.lk.enabled", true); // prev: false
pref("media.mediacontrol.stopcontrol.timer", true); // prev: false
pref("media.mediacontrol.stopcontrol.timer.ms", 86400000); // prev: 60000
pref("services.sync.engine.tabs.filteredUrls", "^(about:.*|resource:.*|chrome:.*|file:.*|blob:.*|moz-extension:.*)$"); // prev: "^(about:.*|resource:.*|chrome:.*|wyciwyg:.*|file:.*|blob:.*|moz-extension:.*)$"

[earthlng]

some bugzilla tickets

• accessibility.cache.enabled
  Bug 1710976: Add a pref for caching of content process a11y trees in the parent process.

• advanced.mailftp
  Bug 1574475 - Remove ftp prefs

• app.update.background.timeoutSec
  Bug 1708752 - Allow BackgroundTasksManager to use a timeout to prevent long running tasks

• browser.aboutwelcome.protonDesign
  Bug 1711942 - Ungraduate about:welcome from proton pref

• browser.cache.offline.storage.enable
  Bug 1694662 - Remove Appcache storage pref

• browser.download.improvements_to_download_panel
  Bug 1710929 - Create pref for downloads panel improvements

• browser.download.viewableInternally.enabledTypes
  Bug 1707590 - Part 4: Add image/jxl to Accept header and DownloadsViewableInternally

• browser.low_commit_space_threshold_mb
  Bug 1711610 - Should not trigger the memory pressure event if the available commit space is not low.

• browser.privatebrowsing.infoTitleEnabled
  Bug 1715504 - Banner variations for Private Browsing mode experiment.

• browser.privatebrowsing.promoTitleEnabled
  Bug 1715504 - Banner variations for Private Browsing mode experiment.

• browser.startup.preXulSkeletonUI
  Bug 1705470 - Flip pref for skeleton UI to ride the trains to release
  Bug 1680258 - Enable skeleton UI on nightly

• browser.topsites.contile.enabled
  Bug 1707700 - Implement getting sponsored top sites from Contile server rather than remote settings.

• browser.topsites.contile.endpoint
  Bug 1707700 - Implement getting sponsored top sites from Contile server rather than remote settings.

• browser.urlbar.quicksuggest.nonSponsoredIndex
  Bug 1711792 - Allow quick suggest results to appear at Nimbus-configurable positions within the general bucket.

• browser.urlbar.quicksuggest.sponsoredIndex
  Bug 1711792 - Allow quick suggest results to appear at Nimbus-configurable positions within the general bucket.

• browser.urlbar.unitConversion.enabled
  Bug 1697722: Implement unit converter as UrlbarProvider.

• canvas.createConicGradient.enabled
  Bug 1711724 - Ship CanvasRenderingContext2D.createConicGradient.

• dom.event.wheelDelta.enabled
  Bug 1708829 - Expose WheelEvent.wheelDelta{,X,Y} for compat with other engines.

• dom.events.asyncClipboard.read
  Bug 1701512 - Add a separate pref for clipboard.read().

• dom.mouse_capture.enabled
  Bug 973604 - Mark set/releaseCapture() as deprecated

• dom.quotaManager.caching.checkBuildId
  Bug 1702422 - Report failed LoadQuotaFromCache as a warning (instead of an error);

• dom.security.https_first
  Bug 1706552: Change HTTPS First Mode pref to dom.security.https_first

• dom.security.https_first_pbm
  Bug 1706552: Change HTTPS First Mode pref to dom.security.https_first

• dom.security.https_only_mode_https_first
  Bug 1706552: Change HTTPS First Mode pref to dom.security.https_first

• dom.security.https_only_mode_https_first_pbm
  Bug 1706552: Change HTTPS First Mode pref to dom.security.https_first

• dom.security.secFetch.enabled
  Bug 1695911 - Flip dom.security.secFetch.enabled pref to true.

• dom.w3c_pointer_events.scroll_by_pen.enabled
  Bug 1637259 - Dispatch touch event for WM_POINTER

• dom.webnotifications.silent.enabled
  Bug 1696145 - Support Notification.silent and .vibrate on Android.

• dom.webnotifications.vibrate.enabled
  Bug 1696145 - Support Notification.silent and .vibrate on Android.

• gfx.font-list-omt.enabled
  Bug 1708768 - Make InitFontList safe to call off-main-thread on macOS, and run font-list initialization on a separate thread during startup.

• gfx.webrender.fallback.software.requires-gpu-process
  Bug 1711118 - Part 2. Allow Software WebRender without the GPU process in release.
  Bug 1709476 - Allow falling back to Software WebRender from D3D11/WebRender in release.

• gfx.webrender.fallback.software-d3d11
  Bug 1711118 - Part 3. Allow D3D11 compositing with Software WebRender in release.

• gfx.windows-font-substitutes.always
  Bug 1716433 - Create a pref to determine whether Windows font substitutes are applied always, or only as fallback for unavailable fonts.

• image.avif.compliance_strictness
  Bug 1712368 - update mp4parse-rust to dd96773.

• image.exif-density-correction.enabled
  Bug 1680387 - Fix interaction with src-set() / image-set(), and enable the feature by default.
  Bug 1680387 - Read and expose EXIF image resolution data.

• image.exif-density-correction.sanity-check.enabled
  Bug 1680387 - Sanity-check exif resolution with other exif metadata.

• image.jxl.enabled
  Bug 1712147 - Add more missing MOZ_JXL checks
  Bug 1711850 - Enable MOZ_JXL only for Nightly builds
  Bug 1707590 - Part 2: Implement nsJXLDecoder

• image.svg.blob-image
  Bug 1713651 - Turn off recording SVG images in blobs by default.
  Bug 1704792 - Part 3. Make display list items request blobs for SVG images.

• intl.charset.detector.ng.in.enabled
  Bug 1706864 - Enable chardetng for .in and .lk TLDs.

• intl.charset.detector.ng.jp.enabled
  Bug 1711476 - Enable chardetng for the .jp TLD.
  Bug 1706864 - Enable chardetng for .in and .lk TLDs.

• intl.charset.detector.ng.lk.enabled
  Bug 1706864 - Enable chardetng for .in and .lk TLDs.

• javascript.options.concurrent_multiprocess_gcs.cpu_divisor
  Bug 1629064 - pt 4. Add a pref for the maximum number of concurrent GCs

• javascript.options.concurrent_multiprocess_gcs.max
  Bug 1629064 - pt 4. Add a pref for the maximum number of concurrent GCs

• javascript.options.experimental.ergonomic_brand_checks
  Bug 1710510 - Pref-flip Ergonomic Brand Checks
  Bug 1648090 - Add context option for ergnomic brand checks

• javascript.options.experimental.private_fields
  Bug 1708235 - Enable Private Fields Preference by default

• javascript.options.experimental.private_methods
  Bug 1710510 - Pref-flip Ergonomic Brand Checks
  Bug 1708236 - Enable Private Methods Preference by default
  Bug 1681046 - Enable Top Level Await by default

• javascript.options.self_hosted.use_shared_memory
  Bug 1458339 part 2 - Use shared memory to initialize the JS engine.

• layout.css.accent-color.enabled
  Bug 1705605 - Implement accent-color in nsNativeBasicTheme.

• layout.css.moz-control-character-visibility.enabled
  Bug 1708384 - Properly hide -moz-control-character-visibility from content.

• layout.css.ruby.position-alternate.enabled
  Bug 1708897 - Remove layout.css.ruby.position-alternate.enabled pref.

• layout.extra-tick.minimum-ms
  Bug 1708325 - Allow doing an extra refresh driver tick for user input events.

• layout.keep_ticking_after_load_ms
  WIP: Bug 1708121, keep ticking after page load

• media.mediacontrol.stopcontrol.timer
  Bug 1711590 - Renable deactivate timer and set its expired time to 24hrs.

• media.mediacontrol.stopcontrol.timer.ms
  Bug 1711590 - Renable deactivate timer and set its expired time to 24hrs.

• media.useAudioChannelAPI
  Bug 1706104 - Remove more references to media.useAudioChannelAPI

• mousewheel.system_scroll_override.enabled
  Bug 1708829 - Make sure that delta* getters account for scroll speed override correctly.

• mousewheel.system_scroll_override.horizontal.factor
  Bug 1708829 - Make sure that delta* getters account for scroll speed override correctly.

• mousewheel.system_scroll_override.vertical.factor
  Bug 1708829 - Make sure that delta* getters account for scroll speed override correctly.

• mousewheel.system_scroll_override_on_root_content.enabled
  Bug 1708829 - Make sure that delta* getters account for scroll speed override correctly.

• mousewheel.system_scroll_override_on_root_content.horizontal.factor
  Bug 1708829 - Make sure that delta* getters account for scroll speed override correctly.

• mousewheel.system_scroll_override_on_root_content.vertical.factor
  Bug 1708829 - Make sure that delta* getters account for scroll speed override correctly.

• network.dns.negative_ttl_for_type_record
  Bug 1702332 - Reduce the amount of DNS queries for unavailable type records,

• network.ftp.control.qos
  Bug 1574475 - Remove ftp prefs

• network.ftp.data.qos
  Bug 1574475 - Remove ftp prefs

• network.ftp.enabled
  Bug 1574475 - Remove ftp prefs
  Bug 1691890 - Let the network.ftp.enabled=false pref change ride the trains

• network.ftp.idleConnectionTimeout
  Bug 1574475 - Remove ftp prefs

• network.http.http3.enabled
  Bug 1710816 - Enable HTTP/3 by default
  Bug 1699490 - Enable HTTP3 on Nightly and beta
  Bug 1658362 - Add a pref to set alt-svc mapping artificially for testing.

• network.http.http3.support_version1
  Bug 1710821 - Enable HTTP/3 final version by default
  Bug 1708567 - Add support for HTTP3 version 1 behind a pref

• network.proxy.ftp
  Bug 1574475 - Remove ftp prefs

• network.proxy.ftp_port
  Bug 1574475 - Remove ftp prefs

• nimbus.debug
  Bug 1707901 - Add opt in to nimbus experiments via URL

• places.forgetThisSite.clearByBaseDomain
  Bug 1705028 - Update places forget-this-site to clear storage by base domain.

• plugin.mousewheel.enabled
  Bug 1710369 - Remove unused code for dealing with plugins in EventStateManager.

• print.save_as_pdf.links.enabled
  Bug 1711064 - patch 1 - Add a pref to control whether linkifying Save-as-PDF output is enabled.

• privacy.query_stripping.allow_list
  Bug 1706612 - Part 1: Add a pref for the allow list of query stripping.

• privacy.query_stripping.enabled
  Bug 1706607 - Add prefs for the URL query string stripping.

• privacy.query_stripping.redirect
  Bug 1706606 - Part 2: Strip target query string for top-level redirects.

• privacy.query_stripping.strip_list
  Bug 1706607 - Add prefs for the URL query string stripping.

• privacy.resistFingerprinting.exemptedDomains
  Bug 1635603 - Create a nsContentUtils::ShouldResistFingerPrinting(nsIChannel* aChannel)

• remote.enabled
  Bug 1710839 - [remote] Remove remote.enabled preference.
  Bug 1606604 - [remote] Build the remote agent on all release channels.

• security.osclientcerts.autoload
  Bug 1696997 - enable osclientcerts by default in release
  Bug 1649518 - 3/3: enable osclientcerts by default in nightly

• services.blocklist.pinning.bucket
  Bug 1711599 - remove unused HSTS dynamic preloading implementation

• services.blocklist.pinning.checked
  Bug 1711599 - remove unused HSTS dynamic preloading implementation

• services.blocklist.pinning.collection
  Bug 1711599 - remove unused HSTS dynamic preloading implementation

• services.blocklist.pinning.enabled
  Bug 1711599 - remove unused HSTS dynamic preloading implementation

• services.blocklist.pinning.signer
  Bug 1711599 - remove unused HSTS dynamic preloading implementation

• services.sync.engine.tabs.filteredUrls
  Bug 1695519 - Remove obsolete checks and references related to wyciwyg protocol.

• threads.control_event_queue.enabled
  Bug 1708042, add control priority to the main thread,

• toolkit.backgroundtasks.defaultTimeoutSec
  Bug 1708752 - Allow BackgroundTasksManager to use a timeout to prevent long running tasks

• ui.android.mouse_as_touch
  Bug 1701269 - Remove ui.android.mouse_as_touch.

• widget.content.allow-gtk-dark-theme.accent
  Bug 1707957 - Extract both light and dark system colors in GTK.
  Bug 1701825 - Allow passing some colors from GTK even in dark themes.

• widget.content.allow-gtk-dark-theme.scrollbar
  Bug 1707957 - Extract both light and dark system colors in GTK.
  Bug 1701825 - Minor scrollbar tweaks.
  Bug 1701825 - Allow passing some colors from GTK even in dark themes.

• widget.content.allow-gtk-dark-theme.scrollbar_active
  Bug 1707957 - Extract both light and dark system colors in GTK.
  Bug 1701825 - Minor scrollbar tweaks.

• widget.content.allow-gtk-dark-theme.selection
  Bug 1707957 - Extract both light and dark system colors in GTK.
  Bug 1701825 - Allow passing some colors from GTK even in dark themes.

• widget.gtk.alt-theme.accent
  Bug 1707957 - Extract both light and dark system colors in GTK.

• widget.gtk.alt-theme.dark
  Bug 1709295 - Keep dark system color extraction behind a pref for now.

• widget.gtk.alt-theme.scrollbar
  Bug 1707957 - Extract both light and dark system colors in GTK.

• widget.gtk.alt-theme.scrollbar_active
  Bug 1707957 - Extract both light and dark system colors in GTK.

• widget.gtk.alt-theme.selection
  Bug 1707957 - Extract both light and dark system colors in GTK.

• widget.system-colors-follow-theme
  Bug 1707957 - Extract both light and dark system colors in GTK.

[earthlng]

privacy.query_stripping.* looks interesting. Perhaps that can eventually replace the main functionality of those clear-url extensions

pants says: 1697982