Compatibility/Core Bugs Triage

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This is the list of bugs without priority We assign Priority on these bugs.

We also have a list of already Triaged Core bugs.

Webcompat Priority to set - OPEN

Full Query
ID Summary Component Status Webcompat priority Keywords Assigned to
549114 Support column breaks part of CSS Fragmentation Module Level 3 Layout REOPENED ? css3, dev-doc-needed, DevAdvocacy
617034 Better define the interaction between innerWidth/Height and the meta viewport tag Layout NEW ?
890692 maybe support textLength="" and lengthAdjust="" on tspan and textPath SVG NEW ? access
904846 Caret positioning is incorrect in an empty contenteditable element with ::before pseudo Layout: Block and Inline ASSIGNED ? Emilio Cobos Álvarez (:emilio)
939897 [meta] Support shifting / splitting flex items between continuations of a fragmented flex container (flexbox content truncated when printing) Layout: Flexbox NEW ? meta
941146 NS_ERROR_FAILURE when other browsers work fine when setting font on a canvas context in a display:none iframe Canvas: 2D NEW ?
978949 Drop-down arrow of <select style="border:1px solid black"> does not zoom well on Linux, due to using a cross-platform button for dropdown arrow (whose borders expand when we zoom, despite no extra width becoming available) Widget: Gtk NEW ?
987629 Size of svg ignored when embedded through <object> or <img> SVG UNCONFIRMED ?
1007286 Using keyboard on inputs causes viewport to resize, shrinking elements based on viewport units. General NEW ?
1019603 TLS handshake fails on CORS preflight requests because no certificate is sent [per spec] Networking REOPENED ?
1027106 Make ImageLib share cached imgRequests for the same SVG document even if the URI has a different ref/hash ImageLib NEW ? testcase-wanted
1043520 Tracking bug for web content breaking due to new "min-width:auto" / "min-height:auto" behavior on flex items Layout NEW ?
1048294 MouseEvent.Which always reports the same wrong value (1) DOM: Events NEW ? dev-doc-needed
1062849 Implement AudioWorklets for Web Audio API Web Audio NEW ? compat, dev-doc-needed, DevAdvocacy, parity-chrome Karl Tomlinson (:karlt)
1068856 Changing the line-height of ::placeholder affects the vertical alignment of its text Layout: Form Controls NEW ? testcase
1085214 Implement Location.ancestorOrigins DOM: Window and Location NEW ? dev-doc-needed
1101005 [meta] ETP Strict mode or Private Browsing mode tracking protection breakage Privacy: Anti-Tracking NEW ? meta
1105051 Meet the specification for line breaking within ruby bases Layout: Ruby NEW ?
1118086 [e10s] There is a delay for about 1 seconds to display <select> drop-down list with 1600+ items Layout: Form Controls ASSIGNED ? multiprocess, perf, testcase Doug Thayer [:dthayer] (he/him)
1151543 Firefox lacks support for CSS 3D Antialiasing in Windows Graphics NEW ?
1180623 Stop choking at badly formatted application/xhtml+xml documents DOM: HTML Parser NEW ?
1184430 Hugely wide content (nscoord_MAX) with "table-layout:fixed; width: 100%" inside of -moz-box Layout NEW ?
1186177 height:100% on element inside a table-cell ends up behaving like "auto", if the table-cell has height:auto Layout: Tables UNCONFIRMED ?
1187182 quietrev.com only displays half the page (Gecko ignores meta viewport tag update/removal) Panning and Zooming REOPENED ? correctness, dogfood
1187591 Click events on elements with overflow != visible fire after the mouse is dragged out of the element DOM: UI Events & Focus Handling NEW ?
1188522 nvite.com performs very poorly when scrolling Layout NEW ? perf
1224422 [Meta] Implement and ship CSS Positioned Masks (mask-image, etc.) Layout NEW ? DevAdvocacy, feature, meta
1227748 Investigate why pokedex.org has poor scrolling performance Graphics: Layers NEW ?
1228879 spend lots of time in nsRegion::Or called from ContainerState::FinishPaintedLayerData, with lots of polygons in a leaflet map Web Painting NEW ? perf
1230176 Weirdness at end of Fennec fling. Don't send duplicate DOM 'scroll' event for sub-pixel scrolling Panning and Zooming REOPENED ? webcompat:site-wait
1232055 When div is set to display: table, overflow: hidden doesn't work (overflowing abspos content leaks out) Layout: Tables REOPENED ? css3
1237505 Mashable hamburger menu button's slide-in animation is janky, on mobile Layout NEW ? testcase-wanted
1238668 Tracking bug for issues caused by emulation of "display:-webkit-box" with "display:flex" Layout NEW ?
1250844 crash [@ nsFrameManager::CaptureFrameState] Layout NEW ? crash, regression, testcase-wanted
1251566 SVG images in <img> without explicitly set width attribute have miscalculated width Layout: Images, Video, and HTML Frames NEW ?
1251617 Scrolling using scrollbar thumb on long pages results in heavy checkerboarding Panning and Zooming NEW ? perf
1253840 text-align: justify; doesn't work together with white-space: pre-wrap; Layout: Text and Fonts NEW ?
1256174 tags in airbnb review UI overlap because negative inline margins on intrinsic widths is not interoperable Layout: Block and Inline NEW ?
1259357 mouseup event target is wrong when the mousedown element is in overflow:hidden DOM: UI Events & Focus Handling UNCONFIRMED ?
1263739 Scrolling on long discourse threads is a bad time Graphics NEW ?
1265543 flex items in a -webkit-box may overflow their container, due to emulation with modern flexbox & its "min-width:auto" behavior Layout NEW ?
1266399 Button on vodaphone.gr gets border on :focus, is not activated on touch Layout NEW ?
1267004 Offscreen elements cause scrollable overflow even if they are completely beyond the top or left edge of the scrollable area Layout NEW ?
1274354 [meta] Date.parse, amirite JavaScript Engine NEW ? DevAdvocacy, meta
1290776 Long list of nodes with mousedown event poor performance Layout NEW ? perf
1318126 Improve prefetch Networking REOPENED ? stale-bug
1319262 Mime type text/markdown is downloaded instead of displayed File Handling NEW ?
1323005 css transform causes flickering on mouse drag Graphics UNCONFIRMED ?
1325134 Far more time spent painting than in Chrome while scrolling on https://www.mydealz.de/ Web Painting NEW ?
1341542 cleared floats in multi-column element don't get split into columns Layout: Floats NEW ?
1343705 WebGL: drawArraysInstancedANGLE with gl.POINTS not working Canvas: WebGL UNCONFIRMED ?
1344052 Firefox cannot decode an mp3 with leading CRLF with decodeAudioData, but can play it if dragged onto a new tab. Audio/Video: Playback NEW ?
1347808 A long string of hyphens does not wrap in Firefox, but does in other browsers Layout: Text and Fonts NEW ?
1355683 Consider removing getDefaultComputedStyle CSS Parsing and Computation NEW ? dev-doc-needed, site-compat
1367461 SVG background-images with preserveAspectRatio='none' render differently to Chrome/WebKit Layout: Images, Video, and HTML Frames NEW ?
1370630 preventDefault() on form.dispatchEvent(new Event('submit'))? DOM: Forms REOPENED ? dev-doc-needed, leave-open, regression, site-compat Edgar Chen [:edgar]
1376369 -moz-user-select:none triggers dragging also when @draggable="false" DOM: Selection NEW ? regression, testcase Olli Pettay [:smaug]
1377201 min-content sizing doesn't seem to account for padding-right on inline-level descendant Layout NEW ?
1382106 Sub menu item overlaps on menu item Layout NEW ?
1388931 Consider removing SVGPathSeg APIs SVG NEW ? dev-doc-needed, site-compat Jonathan Watt [:jwatt]
1390089 [meta] OffscreenCanvas Canvas: WebGL NEW ? meta, parity-chrome Andrew Osmond [:aosmond]
1392046 <a> href with javascript behavior differs between modern browsers DOM: Navigation UNCONFIRMED ? parity-chrome, parity-edge
1396047 Firefox wraps the text in this testcase where other browsers do not Layout: Block and Inline NEW ?
1398208 Parsing a table with thousands of <col> elements and border-collapse:collapse has quadratic performance that can hang Firefox. Layout: Tables NEW ?
1399287 CSS Animation to 'transform:none' incorrectly ends up with final computed value of "matrix(1, 0, 0, 1, 0, 0)" CSS Parsing and Computation NEW ?
1404163 Mixed-content blocker should block <img crossorigin=> requests DOM: Security NEW ? privacy
1409614 Click back to previous page but the layout broken, everything is stretched Layout NEW ?
1422891 [Rethink] Support mkv|matroska|video/x-matroska in Firefox Audio/Video: Playback UNCONFIRMED ?
1427462 "Paste Special" doesn't work in Google Sheets Desktop REOPENED ? webcompat:site-wait
1427792 Assertion failure: IsAncestor(aOne, aTwo) || IsAncestor(aTwo, aOne), at /builds/worker/workspace/build/src/layout/painting/nsDisplayList.h:276 Web Painting NEW ? assertion, testcase
1428302 Remove window.sidebar DOM: Core & HTML NEW ? dev-doc-needed, site-compat
1431543 [meta] issues affecting Hangouts/Meet WebRTC NEW ? meta Nils Ohlmeier [:drno]
1431745 CSS 3D panoramic cube not displayed properly when HW acceleration is disabled Graphics ASSIGNED ? Jamie Nicol [:jnicol]
1436180 [css-grid][flex]Intrinsic size on grid-subflex / subbitem keeps the image width whilst image is resized. Layout NEW ?
1439623 CSS 3D panoramic cube flashes Graphics UNCONFIRMED ?
1442049 SEC_ERROR_UNKNOWN_ISSUER prevents web page proper load General UNCONFIRMED ?
1446011 Make getCTM and getScreenCTM compatible with other browsers SVG NEW ? parity-chrome, parity-edge, parity-safari, site-compat
1460264 Slow CSS animation in the header of paypal.com Graphics NEW ? perf
1461852 Firefox honors small heights on <td> (for sizing of that <td> and percent resolution on children), unlike other browsers Layout: Tables NEW ?
1466010 Crash in MergeState::HasMatchingItemInOldList Web Painting NEW ? crash, regression Hiroyuki Ikezoe (:hiro)
1466632 Nesting tables with percentage height increases height of inner tables Layout: Tables NEW ?
1470298 [meta] Tracking Protection breaks login Privacy: Anti-Tracking NEW ? meta
1470301 [meta] Tracking Protection breaks images Privacy: Anti-Tracking NEW ? meta
1471276 [css-flexbox] Sibling of large image ends up at wrong "align-self" position Layout NEW ?
1476398 Performance issues on HP site DOM: CSS Object Model NEW ?
1479617 Enable WebXR 1.0 by default in Nightly WebVR NEW ? dev-doc-needed :kip (Kearwood Gilbert)
1480636 On fixed-size abspos table, margin:auto does not resolve (doesn't trigger vertical centering) Layout: Tables NEW ?
1486425 [meta] Tracking Protection breaks loading of contents Privacy: Anti-Tracking NEW ? meta
1486665 Tracking Protection blocks Twitter animation previews in Slack. Privacy: Anti-Tracking NEW ?
1487654 Photos are not displayed on www.recalbox.com with Basic Tracking Protection ON Privacy: Anti-Tracking REOPENED ?
1487826 empty <button> gets wrong position when being baseline-aligned (should use padding-box bottom, but doesn't) Layout: Form Controls NEW ?
1487937 Pointer events don't make it to a float in relatively positioned block-in-inline split (with content before & after the float) Layout: Floats NEW ?
1492043 number input's inner spin button always shown with '-webkit-appearance: none' Layout: Form Controls NEW ? regression Jonathan Watt [:jwatt]
1494623 www.google.com - Doodle stutters while playing when using Direct2D canvas Canvas: 2D NEW ?
1497959 clip-path: inset(0 0) cuts off content if it is too long when not using WebRender Web Painting NEW ?
1497973 Firefox does not show correct colors when displaying a URL of a JPEG with sRGB in the ICC tags ImageLib NEW ?
1498512 Enable by default setSinkId pref Audio/Video NEW ? dev-doc-needed
1499443 [css-align] Implement CSS Alignment "Overflow and Scroll Positions" section (justify-content/align-content should influence initial scroll pos & cause end padding to be honored) Layout: Scrolling and Overflow NEW ?
1510248 Firefox shows an mp3's length to be different than other programs Audio/Video: Playback NEW ?
1512522 Widevine not updated for user, unable to watch Netflix Audio/Video: Playback NEW ?
1515473 CPU intensive slideshow on http://thesantaclausparade.com/ Graphics NEW ? perf
1515980 Make viewport sizing in the presence of URL bar transitions consistent with other browsers Layout ASSIGNED ? Hiroyuki Ikezoe (:hiro)
1520157 SourceCodePro font rendered in wrong colour on osx (macOS) Graphics: Text NEW ? regression
1520328 FOUC caused by a hidden input in the <head> tag Layout NEW ?
1520894 Low-latency video playback via MediaSource causes extremely high CPU/GPU usage and poor playback performance. Audio/Video: Playback NEW ?
1521636 Android 5 and 6 and Windows 10 seem unable to play a given Instragram video in Firefox; Android 4.4 and 8 seem fine. Audio/Video: Playback NEW ?
1525107 Support the color-scheme meta tag Layout NEW ? dev-doc-needed Daniel Holbert [:dholbert]
1526207 Calling `drawImage` always throw `NS_ERROR_NOT_AVAILABLE` when drawing a video on android Canvas: 2D NEW ? regression
1527627 window.getSelection() and document.getSelection() do not work with selected text in an <input> element DOM: Core & HTML UNCONFIRMED ? parity-chrome, testcase
1527955 Chromium shows images even when server says they're plain text content-type, Firefox does not. ImageLib NEW ?
1530097 [css-grid] Implement the "Increase sizes to accommodate spanning items crossing flexible tracks" step Layout: Grid NEW ?
1539848 [Meta] Investigate JetStream 2 performance JavaScript Engine NEW ? meta, perf
1554489 End-line characters are ignored on Gitlab instances DOM: Serializers REOPENED ?
1556930 Removeddit not working when TP enabled Privacy: Anti-Tracking NEW ?
1560383 Browser game on coolmathgames.com slow, lot of time spent in CanvasRenderingContext2D.drawImage Canvas: 2D NEW ? perf
1563842 Firefox resizes the root fixedpos containing block in response to animations, while Chrome does not Layout: Scrolling and Overflow NEW ?
1564253 Page is cut off on itcentralstation.com, some content is out of reach Layout NEW ?
1568313 Textarea wrap=hard does not actually insert newlines when posting DOM: Forms NEW ? regression
1569211 getSelection, getRangeAt return wrong anchorNode, endContainer and endOffset if selection contains SVG(or unselectable text inside) DOM: Selection NEW ? parity-chrome
1572360 img.decode() regression on macOS ImageLib NEW ?
1577002 multicol element max-content size doesn't account for wide content, when column-count and column-width are both specified Layout: Columns NEW ?
1577506 Broken photo slideshow transition CSS Transitions and Animations NEW ? webcompat:needs-diagnosis
1578503 [filter-effects-2] Enable the CSS backdrop-filter property by default (letting it ride the trains to release) Layout NEW ? dev-doc-needed, DevAdvocacy, parity-chrome, parity-edge, parity-safari
1584418 High CPU usage on Firefox likely due to hidden loading spinners SVG NEW ?
1595434 2GB raw text file which has long lines and lot of lines creates a rendering issue Layout NEW ?
1596399 Delete key is not working as expected with handwriting input in macOS DOM: Editor NEW ? inputmethod
1600224 Unexpectedly small line box, with "display:contents; line-height:[anything]" Layout: Block and Inline NEW ?
1600485 backdrop-filter with visibility hidden still shows Graphics: WebRender NEW ?
1600848 Links with 'user-select: none' or svg content duplicates on copy DOM: Selection NEW ? parity-chrome
1604122 Flyer from flipp.com are not displayed when ETP-Strict is enabled Privacy: Anti-Tracking NEW ?
1605406 SVG elements with mix-blend-mode and mask are not rendered correctly SVG REOPENED ? regression
1606293 Images do not load on omronhealthcare.com with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1606294 Content of www.colorlesscomic.com is not displayed correctly while ETP - Strict is ON Privacy: Anti-Tracking NEW ?
1606428 Unable to login on championat.com while ETP - Strict is enabled (Rambler API is blocked) Privacy: Anti-Tracking REOPENED ?
1607081 SVG image with no intrisic size returns a naturalWidth of 0 DOM: CSS Object Model NEW ? webcompat:needs-diagnosis
1608332 video fails to open inside a canvas element Canvas: 2D NEW ?
1608778 www.juegotk.com - The game does not run smoothly Performance NEW ?
1610748 Page design is broken on go.singular.net with ETP Strict enabled Privacy: Anti-Tracking NEW ?
1613604 slow site with Direct3D 11 renderer but fixed by webrender Graphics NEW ?
1613838 Performance issue when playing games on Graphics NEW ?
1615452 Poor performance on obank.com.ua Graphics NEW ? perf
1616136 Reddit's Share->Embed popup never finishes loading with strict tracking protection on. Privacy: Anti-Tracking NEW ?
1616361 Firefox and chrome differ on how stacking contexts are formed, with a relatively-positioned inline Layout: Positioned NEW ?
1616377 Box with break-inside: avoid is being broken so that the columns can be balanced Layout NEW ?
1616405 Accessible-caret-based text selection doesn't work if there's an animation playing Layout NEW ?
1617497 animations on svg polygons perform better on Chrome than Firefox SVG NEW ?
1618029 Firefox creates blank scrollable area at top of page, when scrolling down/up at dochkisinochki.ru (with sticky positioned header bar and lazy loaded images) Layout: Scrolling and Overflow NEW ?
1618610 [meta] breakage for cookie sameSite=lax by default Networking: Cookies NEW ? meta
1620092 mp4 video plays on macos but not windows (not supported format?) Audio/Video NEW ?
1620176 Carousel images are not load on m.emag.ro with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1620525 "Social media" icons are not displayed on cinemagia.ro while ETP Strict is ON Privacy: Anti-Tracking NEW ?
1621387 Margin on <br> affects layout, unlike on other browsers Layout: Block and Inline NEW ?
1621727 Spellchecker goes outside of the bounds of the contenteditable element Spelling checker NEW ? parity-chrome
1621888 Reddit content is blocked, breaking snew.notabug.io with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1621980 Unable to view the page on 1boon.daum.net when ETP - Strict is enabled Privacy: Anti-Tracking NEW ?
1623425 transform translateX animation with requestAnimationFrame is jittery CSS Transitions and Animations NEW ?
1623569 [NSFW] Video thumbnail does not load on daftsex.com with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1625130 [meta] WebAssembly SIMD Javascript: WebAssembly NEW ? meta
1626696 Playstation web services login broken with network.cookie.sameSite.laxByDefault true Networking: Cookies REOPENED ? regression, webcompat:site-wait
1628965 large font size becomes blurred Graphics: WebRender NEW ?
1629263 When I copy text and paste into Discord it double pastes the text. DOM: Editor NEW ?
1630546 Twitter and Facebook embeds are not loaded on de.webfail.com while ETP Strict is ON Privacy: Anti-Tracking NEW ?
1631809 Page content on triblive.com does not fully fit the screen with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1633888 Hard to scroll info-text on "card" at get.yourpass.eu (sometimes the whole page scrolls instead) Panning and Zooming NEW ?
1634028 Facebook embedded content not loaded on cucinare.meglio.it with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1634049 Layout is broken on buy.guildwars2.com with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1634301 Instagram embedded content is not loaded on rosario3.com with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1636947 The modal for finishing the shopping session is not displayed on www.epocacosmeticos.com.br with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1636972 discord.com: nothing happens when clicking "Join this server" DOM: UI Events & Focus Handling NEW ?
1638383 teams.microsoft.com doesn't load with `network.cookie.cookieBehavior = 5` (dfpi) Privacy: Anti-Tracking NEW ?
1639119 SVG text positioning attributes should address entire Unicode characters, not UTF-16 code units SVG NEW ?
1639542 [meta] Support IndexedDB in Private Browsing Mode (with encrypted disk storage) Storage: IndexedDB NEW ? dev-doc-needed, DevAdvocacy, meta
1640222 "Paste special" is not working properly within Google doc's spreadsheet DOM: Selection NEW ?
1640922 Evernote-Tables format is not kept when using a table written in div DOM: Serializers NEW ?
1641019 Exporting table from Microsoft Excel Online to the clipboard replaces `<a>`s with their content for the "text/html" flavor DOM: Serializers NEW ? parity-chrome Mirko Brodesser (:mbrodesser) -- away until 1st of November
1641853 Taboola-served content does not load on indiatoday.in with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1642285 Performance issue for animation Canvas: 2D NEW ?
1642848 Laggy scrolling after zooming on a form field (firefox preview android) Panning and Zooming NEW ?
1642905 (ubuntu 20.04) (firefox in repo)Unable to play video on Facbook and Twitter Audio/Video: Playback UNCONFIRMED ?
1645273 element width off the viewport should affect scroll port? Layout: Positioned NEW ?
1645291 avc1.4d001f on firefox for android Security NEW ? John Lin [:jhlin][:jolin]
1645311 Flashes when using fcitx5 - Chinese input DOM: Editor NEW ?
1645314 Line breaking opportunities in Japanese are different in firefox and chrome Layout: Text and Fonts NEW ?
1645873 Drag & dropping conversations/messages to the GMail labels sidebar doesn't work everytime / sometimes only works once (regression?) Desktop UNCONFIRMED ? webcompat:site-wait
1647178 The site is not being zoomed out to occupy the full width of the viewport Panning and Zooming NEW ? regression
1647269 mozalloc_abort MOZ_CRASH() on Android Performance NEW ? crash
1648124 Click event not firing for links without href inside iframe with CSS transformations DOM: Events NEW ?
1648621 Align document.referrer url decoration detection with HTTP Referrer and Referrer Policy Privacy: Anti-Tracking NEW ?
1648947 Broken print output from Yahoo Mail, because element with "display:table" doesn't print correctly - initial blank pages, missing content, and content that runs off the page Printing: Output NEW ?
1649051 Header animation is very slow Layout NEW ?
1649269 Creating an account on aaa.com with a generated password does not validate the form Password Manager: Site Compatibility NEW ?
1650286 Vuepress layout can‘t adjust for mobile view in Fenix Mobile NEW ? webcompat:site-wait
1650288 lazy-loading images performances for small images Performance NEW ?
1650436 Janky scrolling on bose.com with WebRender enabled Graphics: WebRender NEW ? perf, regression
1650820 TekSavvy availability checker dialog now shows drop-downs under itself, and no longer autofocuses the street input Desktop NEW ? regression, webcompat:site-wait
1651119 [meta] Enable cookie sameSite schemeful Networking: Cookies NEW ? meta
1651383 Video doesn't play on forbes.com with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1651588 Text deleted in contenteditable="true" element on drag and drop DOM: Editor NEW ?
1651878 The video or audio does not play Audio/Video NEW ?
1653088 Performance issue on voice.google.com - Site can hang from seconds to minutes JavaScript: GC NEW ?
1653481 [Meta] Implement and maintain WebShare API DOM: Core & HTML NEW ? dev-doc-needed, meta
1653710 FOUC presumably caused by the page reading documentElement.clientWidth too early while the page is loading Layout NEW ?
1654087 reddit.com: slow page performance after scrolling through a lot of pages General NEW ?
1654288 Enable layout.forms.input-type-search.enabled by default Layout: Form Controls NEW ?
1654336 Navigation bar does not stick to the bottom of the page Panning and Zooming NEW ?
1654934 Unable to open mobile dev.to share menu (because event.target is different in Fenix for SVG nested in button, compared to Fennec) DOM: Events NEW ? regressionwindow-wanted
1655525 Using <embed> for PDFs does not result in a download if PDF.js is disabled or unavailable (e.g. on Android/Fenix/Geckoview) DOM: Core & HTML NEW ?
1656279 Unitless line height interop issue CSS Parsing and Computation NEW ?
1657106 [Home Depot] Clearing the credit card autofill form in will cause the autofill to not work anymore on credit card until a page refresh Form Autofill NEW ?
1657635 SVG in Firefox on iMac 5K Retina is rendered in p3 wide gamut instead of sRGB GFX: Color Management NEW ?
1658315 input type radio does not block the default action of links DOM: Core & HTML UNCONFIRMED ?
1659174 Can't play VP8 encoded video on www.ea.com Audio/Video: Playback NEW ? parity-chrome
1659638 radar.weather.gov - Panning the map is sluggish in Firefox Panning and Zooming NEW ? perf
1659739 Page content is not completely loaded https://www.crazygames.com DOM: Core & HTML NEW ? parity-chrome, regression
1659918 Videos don't play on cbsnews.com with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1660384 Implement CSS Containment content-visibility Layout NEW ?
1661147 [WebRender] blurred content is mispositioned, in abspos within fixedpos Graphics: WebRender NEW ? correctness, regression Glenn Watson [:gw]
1662057 opacity on text with overlapping letters should not show darker areas (ex: RTL Arabic) Graphics: Text NEW ? regression
1662981 Sign up is not performed on playscavengers.com with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1663380 SVG textPath startOffset - curved text is not positioned correctly in Firefox SVG NEW ?
1663570 Extremely slow rendering of SVG items. Impossible to scroll. Graphics NEW ? perf, regressionwindow-wanted
1663634 Firefox doesn't handle body with height 100vh properly with overflow:hidden on the root element Layout REOPENED ?
1664160 Poor scrolling performance on leganerd.com Layout NEW ?
1665047 Past editions on https://www.miragefestival.com/ shows broken animations Graphics NEW ?
1665524 Fedex Get Status Updates form does not offer autocompletion for 2nd email field Form Autofill NEW ?
1665794 Endless redirect on login.oracle.com with network.cookie.sameSite.schemeful enabled Networking: Cookies NEW ? regression
1667878 An absolutely positioned div with a tabindex causes the viewport to jump up when selecting text DOM: UI Events & Focus Handling NEW ?
1669384 Problem with CSS-filtering as from version 79 Canvas: WebGL NEW ? regression
1669843 svg mask renders with horizontal artifact on Windows 10 SVG NEW ?
1671385 Clicking link to tweet leads to "This is not available to you" page, but refresh shows content. DOM: Service Workers NEW ?
1672475 Angled border is blurry on www.washingtonbrown.com.au Graphics: WebRender NEW ? correctness, regression
1672804 picture tag doesn't show fallback image if sources type are not specified DOM: Core & HTML NEW ?
1673291 Video is not properly resized after modifying the window size Layout NEW ?
1674141 Payment details are not displayed on mydates.com with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1676786 td Items are overlapped on table position absolute Layout: Tables NEW ?
1676952 HTMLImageElement x and y coordinates are 0 if its parent container has position: relative DOM: Core & HTML NEW ?
1677568 Element disappears when mouse hovers over it in Firefox, but not in Chrome Web Painting NEW ?
1677583 Firefox does not reverse scroll direction for user input when y-axis is CSS-transformed, WebKit and Blink do. Layout: Scrolling and Overflow NEW ?
1678702 Slider animation is not smooth on https://nos.nl/ CSS Transitions and Animations REOPENED ? regression
1679649 Transform transitions are broken in slideshow on https://store.ui.com/ (images just flash from one to the next), unless I disable Partial Prerender CSS Transitions and Animations ASSIGNED ? Hiroyuki Ikezoe (:hiro)
1679677 Twitch streaming video performance slowly degrades until it can't keep up even at lower video quality, requiring a browser restart Audio/Video: Playback UNCONFIRMED ?
1680382 Unable to delete a product from the watchlist on ebay with sameSite=lax enabled Networking: Cookies NEW ?
1680676 americanas.com.br - Images not loaded in strict mode Privacy: Anti-Tracking NEW ?
1680790 Firefox does not vertically align an anchor-with-block-element list item with its marker, Chrome does Layout: Generated Content, Lists, and Counters NEW ?
1680819 enable intermediate preloading on focus Security: PSM NEW ?
1680823 Firefox adds a scrollbar to the root element for an element with top:-1000px, while Chrome does not Layout: Scrolling and Overflow NEW ? dupeme
1680997 focus styling on label on double click remains in firefox DOM: UI Events & Focus Handling NEW ? parity-chrome, parity-safari
1682722 scrolling becomes janky while content is being loaded Graphics: WebRender NEW ?
1683832 [NSFW] Images don't load on daftsex.com with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1683834 Twitter embedded video is not displayed on timesnownews.com with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1683951 Slow animation with svg base64 filter Graphics: WebRender NEW ?
1684004 Can't export Google Contacts on Nightly Privacy: Anti-Tracking NEW ?
1684076 pages from psoriasis.org fail to paint outside of the initial viewport Layout: Scrolling and Overflow NEW ?
1684810 Fish bowl animation is slow (14fps) in portrait mode, fast in landscape mode Canvas: 2D NEW ?
1686376 Table elements suddenly disappear on scroll Graphics: WebRender NEW ? regression
1687370 Cannot log into celesia-dm.wikidot.com when schemeful sameSite cookie is on Networking: Cookies NEW ?
1687372 -webkit-line-clamp clamps each flex item independently in Firefox, but it should clamp the lines of all flex items collectively (the way it works in WebKit-derived browsers) Layout: Flexbox NEW ?
1687557 Quirks-mode rendering of some reddit galleries ends up with images much too tall Layout NEW ? Daniel Holbert [:dholbert]
1688310 I am not being redirected back to Udemy after signing in with Apple. DOM: Navigation UNCONFIRMED ? stalled, steps-wanted, webcompat:needs-diagnosis
1688890 Twitter post specific elements are not displayed on twitterperlen.de with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1691115 Media control interface doesn't show artist on CBC Music Playlists Audio/Video: Playback UNCONFIRMED ? parity-chrome, parity-edge, platform-parity
1691374 Image inside "preserve aspect ratio" solution invisible Layout NEW ?
1691379 Twitter embedded content is not displayed on news.google.com with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1691406 Twitter embedded content is not displayed on publico.es with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1693079 Unable to share article on femiwiki.com with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1693475 The page at app.mopub.com is not loading with ETP set to STRICT Privacy: Anti-Tracking NEW ?
1693555 Poor performance on FF85 on nasa.gov simulations Canvas: WebGL NEW ?
1694158 Instagram embedded content is not displayed on vip.de with ETP - Strict Privacy: Anti-Tracking NEW ?
1694298 Table flex item's max-width/max-height is not respected Layout: Flexbox NEW ?
1694719 Background image is not rendered on vanguardcanada.ca DOM: Navigation NEW ? Kris Maglione [:kmag]
1695154 Unable to unsubscribe from mcdonalds.com with ETP - Strict Privacy: Anti-Tracking NEW ?
1695563 Rendering performance issues for combination of SVG and webp "mask" with a gradient Graphics NEW ?
1695925 The interactive map is not loading at mapwith.ai with ETP set to STRICT Privacy: Anti-Tracking NEW ?
1698022 Page returns error message at redditmetis.com when performing an user search query with ETP set to STRICT Privacy: Anti-Tracking NEW ?
1698629 Tapping SVG shape in use element invokes text selection UI DOM: Selection NEW ?
1699042 on scroll event have a page visual update lag Layout NEW ?
1700099 The page does not post comments with ETP set to STRICT at dcinside.com Privacy: Anti-Tracking NEW ?
1700916 86.0 - double pasting of images when composing gmail ImageLib NEW ? regression
1700986 Page doesn't load on ead.senac.br with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1701170 Image is not displayed on rsdn.org with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1701508 compat issue with default layout of images in iframes DOM: Core & HTML NEW ?
1701527 Infinite loop on ibanez.com due to fingerprinting blocking of maxmind.com Privacy: Anti-Tracking NEW ?
1701589 The page does not show the embed video at amp.maxifoot.fr with ETP set to STRICT Privacy: Anti-Tracking NEW ?
1701685 The page shows warning message about ad-blocker at thebrag.com with ETP set to STRICT Privacy: Anti-Tracking NEW ?
1701828 meta charset not found triggers reload after an XHR HTTP POST DOM: Core & HTML ASSIGNED ? Henri Sivonen (:hsivonen) (away from Bugzilla until 2021-10-26)
1701962 Page does show embedded Instagram pictures with ETP set to STRICT at publimetro.co Privacy: Anti-Tracking NEW ?
1701991 Quirks-mode rendering causes some images to not show up at www.sitly.it (with percentages inside of scrollable flex items) Layout: Flexbox NEW ?
1702145 Unable to share the tweet on ground.news with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1702404 Background color flickers after a scaling effect Graphics: WebRender NEW ?
1702510 [NSFW] Customer reviews are not displayed on lovehoney.com with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1702713 "Web page is slowing down your browser" error makes Pub/Sub topic pages in Google Cloud Platform unable to be opened Desktop NEW ? webcompat:needs-diagnosis
1702767 The page at rumporter.com does not show embedded media with ETP set to STRICT Privacy: Anti-Tracking NEW ?
1703906 Time input validity is not updated for partial values DOM: Forms NEW ? parity-chrome
1704631 Body height seems to not include a gap the size of the toolbar, leaving a blank space after scrolling down certain pages. General NEW ?
1704977 tv.apple.com - The video or audio stops playing after a couple of minutes Audio/Video NEW ?
1705075 Unable to open "Reviews" section on clivecoffee.com with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1705336 The page at fmitec.fr does not show embedded Twitter and Facebook content with ETP set to STRICT Privacy: Anti-Tracking NEW ?
1705668 The page does not load with ETP set to STRICT at straighttalk.com Privacy: Anti-Tracking REOPENED ?
1706218 Give priority to name over id for usemap reference in image map DOM: Core & HTML NEW ? parity-chrome
1706338 The page does not show reviews with ETP set to STRICT at sportinglife.ca Privacy: Anti-Tracking NEW ?
1706645 Background image is not displayed on vk.link with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1706902 No content is displayed under the table on covid19india.org with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1708162 Videos can not be played with ETP set to STRICT at 10play.com.au Privacy: Anti-Tracking NEW ?
1708174 Facebook comments are not displayed on chap.manganelo.com with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1708871 Element with large negative `text-indent` breaks viewports on sites with `direction: rtl` Layout NEW ?
1708884 grid items should resolve their content-based minimum size to 0, if they span a flexible track Layout: Grid NEW ?
1709072 Lots of jank while trying to re-order links on linktr.ee Layout: Text and Fonts NEW ?
1709612 The page does not show the article with ETP set to STRICT at reuters.com Privacy: Anti-Tracking NEW ?
1709790 Add support for element.outerText DOM: Core & HTML NEW ? dev-doc-needed
1709964 Firefox text copy substitutes Horizontal Ellipsis U+2026 for text in large copy DOM: Selection UNCONFIRMED ?
1710327 slow choppy scrolling with arrows on twitter timeline Panning and Zooming NEW ? parity-chrome
1710449 Unable to accept cookies on ogout.hu with ETP - Strict enabled Privacy: Anti-Tracking REOPENED ?
1710921 NS_ERROR_INTERCEPTION_FAILED on medicare.gov DOM: Service Workers NEW ?
1711014 Sign in options are disabled on support.swiftkey.com with ETP - Standard enabled Privacy: Anti-Tracking NEW ?
1711237 The Poll is not displayed on thestar.com with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1711653 "Ready for Pickup" section does not load on homedepot.com with ETP - Strict enabled Privacy: Anti-Tracking UNCONFIRMED ?
1711823 text wrapping in flex container Layout: Flexbox NEW ? regression
1712667 Images not loaded after multiple refresh Graphics NEW ?
1712780 Page becomes unresponsive while loading an svg with a lot of nodes SVG NEW ? regression
1713106 Some product images are not loaded on electroplanet.ma with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1713141 Unable to login with Disqus account to comment on jbox.com.br with ETP - Standard Privacy: Anti-Tracking NEW ?
1713348 Spurious Firefox version warning on Mozilla CultureAmp survey site when using Firefox iOS General NEW ?
1713702 Add an ETP shim for Inq chat widgets Privacy: Anti-Tracking NEW ?
1714110 Page keeps reloading when tapping on a link with ETP set to STRICT at mediamarkt.nl Privacy: Anti-Tracking NEW ?
1714358 Page content does not load with ETP set to STRICT at foxsports.com Privacy: Anti-Tracking NEW ?
1714545 Images for products posted for sale do load with ETP set to STRICT at su.automobile.de Privacy: Anti-Tracking NEW ?
1714729 Scroll handoff doesn't work as expected on https://cio.go.jp/c19vaccine_dashboard Canvas: 2D NEW ?
1715027 Submitting a form with focus on a select-input (dropdown) does not work with Return-Key DOM: Forms NEW ? parity-chrome, parity-safari
1715401 Content Encoding Error received for a file with brotli content-encoding Networking NEW ?
1715555 An unsolicited link is opened when applying filters at dreams.co.uk with ETP set to STRICT Privacy: Anti-Tracking NEW ?
1715715 Search results and map are not shown on diaonline.supermercadosdia.com.ar with ETP - Standard enabled Privacy: Anti-Tracking NEW ?
1716318 Page content does not load with ETP set to STRICT at luckyandslots.com Privacy: Anti-Tracking NEW ?
1716575 Images are not displayed on soranews24.com with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1717039 Search page does not load at autotrader.co.uk with ETP set to STRICT Privacy: Anti-Tracking NEW ?
1717588 Reviews are broken at canadianoutdoorequipment.com with ETP set to STRICT Privacy: Anti-Tracking NEW ?
1717806 Video does not play at tf1.fr with ETP set to STRICT Privacy: Anti-Tracking NEW ?
1717830 YouTube embedded video does not play on kinodo.store with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1718962 Page keeps reloading when scrolled down on nexttechstock.com with ETP - Standard enabled Privacy: Anti-Tracking NEW ?
1719153 "Browse" menu is not visible on giantbomb.com with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1719164 Terrible stuttering of mouse and "drag preview" on https://codepen.io/trending if you click-and-drag on a pen . Hang on Parent Process Performance NEW ? parity-chrome
1719556 qatarairways.com is slow to load in Firefox on Android Performance NEW ?
1719609 Redirect is not performed when clicking the "Join the waitlist" link on monitor.firefox.com with ETP - Strict enabled Privacy: Anti-Tracking NEW ? Maxx Crawford
1720099 YouTube embedded video is not displayed on warhammer-community.com with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1721256 Element width explodes in reduced test-case in Firefox Layout NEW ? dupeme
1722656 Top bar action buttons are not functional at nordicwellness.se with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1722873 Media is not shown at abc.es with ETP set to STANDARD Privacy: Anti-Tracking NEW ?
1723695 Images are not loading at lidl.pl with ETP set to STRICT Networking NEW ?
1723735 Page does not load on mapillary.com with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1723891 outlook.live.com responsiveness login is bad at login time JavaScript Engine NEW ?
1724189 Burger menu does not respond at suzukiautos.com.co with ETP set to STRICT Privacy: Anti-Tracking NEW ?
1726121 Scroll Anchoring results in jump'y scrolling on ekwb.com in GeckoView Layout: Scrolling and Overflow NEW ?
1726313 Twitter embedded post is not displayed on pillowfort.social with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1726786 Consider adding hover'able elements as valid targets for event retargeting Layout NEW ?
1727026 Website will only allow visitors from Chrome browser with tracking protection basic Privacy: Anti-Tracking NEW ?
1727326 Missing dynamic number on solar.vic.gov.au with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1727831 www.levi.cl doesn't load with with ETP set to STRICT Privacy: Anti-Tracking NEW ?
1728111 Profile avatar picture is not shown at account.microsoft.com with ETP set to STANDARD Privacy: Anti-Tracking NEW ?
1728114 Sign-up form is not present at firstclassdemandnotes.com with ETP set to STRICT Privacy: Anti-Tracking NEW ?
1728556 Video placeholder is empty at indianexpress.com with ETP set to STRICT Privacy: Anti-Tracking NEW ?
1729253 Login and images are not displayed on elcorreo.com with ETP - Standard enabled Privacy: Anti-Tracking NEW ?
1730509 Twitter embedded post is not displayed on berliner-zeitung.de with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1730632 PiP control interferes with the menu of the Webpage Video/Audio Controls NEW ?
1730965 Interop issues with grid sizing on leadstories.com Layout: Grid NEW ?
1731765 Current location is not shown at pay.rakuten.co.jp with ETP set to STANDARD DOM: Geolocation NEW ?
1731987 Pictures from article do not load at yahoo.com with ETP set to STRICT Privacy: Anti-Tracking NEW ?
1732852 The site does not load on trial.cl with ETP - Strict enabled Privacy: Anti-Tracking UNCONFIRMED ?
1732853 The site does not load on perryellis.cl with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1732855 Site does not load on totalwireless.com with ETP - Strict enabled Privacy: Anti-Tracking NEW ?
1734790 Product images from other categories are not loading at drogariasaopaulo.com.br with ETP set to STRICT Privacy: Anti-Tracking NEW ?
1735384 [css-ui-4] Implement "input-security" CSS property Layout: Form Controls NEW ? dev-doc-needed Emilio Cobos Álvarez (:emilio)

370 Total; 370 Open (100%); 0 Resolved (0%); 0 Verified (0%);


Webcompat Priority Revisit - OPEN

Full Query
ID Summary Component Status Webcompat priority Keywords Assigned to
137687 Computed CSSDeclarations need to implement GetCssText DOM: CSS Object Model NEW revisit
417826 In table cell, width="0px" is ignored, but style="width: 0px" is honored CSS Parsing and Computation NEW revisit
488007 ElementFromPoint does not go through frames/iframes Layout NEW revisit
559561 When focused element is removed, fire blur event on it DOM: UI Events & Focus Handling NEW revisit
568313 Impossible to make <button>s draggable DOM: Copy & Paste and Drag & Drop NEW revisit
616436 [meta] Implement column-span (from CSS3 multicolumn) Layout: Columns NEW revisit css3, dev-doc-needed, DevAdvocacy, meta, parity-chrome, parity-edge, parity-safari, testcase
654072 if disabled state is changed with javascript, the normal state doesn't return after refreshing the page DOM: Core & HTML NEW revisit testcase
697151 Synchronous XMLHttpRequest (XHR) does not block readyState events for async XHR DOM: Networking NEW revisit dev-doc-needed
700123 Keyboard Lock DOM: Events UNCONFIRMED revisit
850906 CSS Multicolumn Layout issues with floated form elements Layout UNCONFIRMED revisit
935216 Implement Client-Hints HTTP header Networking: HTTP UNCONFIRMED revisit dev-doc-needed
997189 Absolutely positioned inline-block (or inline) element with floating nextSibling and auto "left" is positioned to the right of the float CSS Parsing and Computation NEW revisit
1009629 Call location.reload in onreadystatechange cancels user navigation DOM: Navigation UNCONFIRMED revisit
1019630 preventDefault not working with select/option tags for mouse/keyboard events DOM: UI Events & Focus Handling UNCONFIRMED revisit
1039871 Add support to HTML media element for determining the mimetype of a loaded media file Audio/Video: Playback NEW revisit
1081542 ctrl-click on a link which uses event.preventDefault() and window.open() should still obey browser.tabs.loadInBackground DOM: Navigation NEW revisit
1205133 Ship inputmode attribute DOM: Core & HTML ASSIGNED revisit dev-doc-needed, parity-chrome, parity-safari Makoto Kato [:m_kato]
1225679 IE11 and Chrome display some corrupt PNGs that Firefox doesn't ImageLib NEW revisit parity-chrome, parity-ie, parity-opera
1235045 Date Formats Support JavaScript: Standard Library NEW revisit
1273836 Copy-Paste of simple HTML adds extra new lines that are not present in original content Layout: Text and Fonts UNCONFIRMED revisit
1289682 Relatively-positioned table-row behaves as absolute containing block in Firefox (unlike other engines) Layout: Positioned NEW revisit
1291467 Implement contenteditable="plaintext-only" DOM: Editor NEW revisit
1319687 Fire 'canplaythrough' aggressively after loading first frame Audio/Video: Playback NEW revisit
1322694 WebGL video textures fail to render in Firefox Nightly for MP4 format with 2048x1024 pixels dimensions Canvas: WebGL UNCONFIRMED revisit
1328474 background: 0 and -moz-appearance: none suppresses the checkmark on input checkbox Layout: Form Controls NEW revisit
1331793 Consider not throwing on querySelector("::-webkit-scrollbar") DOM: CSS Object Model NEW revisit
1332959 RTL web pages are aligned on the left side when the viewport is too small for the content Layout NEW revisit
1336245 Geolocation should return available low-res location when high-res location is not yet available DOM: Geolocation NEW revisit
1340064 [viewport] user-scalable, min-scale and max-scale will be ignored starting with iOS10 Panning and Zooming NEW revisit
1342569 mouseenter/mouseleave fire differently on <select>s in e10s mode. DOM: Events NEW revisit Mike Conley (:mconley) (:⚙️)
1360238 window.getSelection().toString() displays extra "\n" characters on multiple block elements, even if they are display:inline DOM: Serializers UNCONFIRMED revisit
1362499 Support unit-less values for CSS -webkit-perspective (for interop) CSS Parsing and Computation NEW revisit dev-doc-needed, good-first-bug
1362543 Child elements of preserve-3d contexts are rendered differently from Chromium Layout NEW revisit
1362898 content with ::before gets painted at the wrong place Web Painting NEW revisit
1368398 Make file input browse button height calculation aware to box-sizing Layout: Form Controls NEW revisit
1377841 Problem with click/hover detection on 3d transformed DIVs Layout UNCONFIRMED revisit
1381911 Bug 1359527 broke the radient gradient fade on http://zzreader.com/img/ss/x11b.svg Graphics NEW revisit Bas Schouten (:bas.schouten)
1382471 Firefox wraps word-broken text under a previous float-left, rather than starting it on the same line. Layout: Text and Fonts NEW revisit
1385382 bullet with text-align:center is positioned further to the right in Firefox, as compared to other browsers (breaking fake radio button at wetter.7pass.de) Layout: Text and Fonts NEW revisit
1387483 [Meta-Bug] Support ReadableStream as Request.body in fetch API DOM: Core & HTML NEW revisit dev-doc-needed
1389880 Keynote HTML exported presentations don't display correctly Desktop NEW revisit webcompat:contact-ready
1391428 Next focusable element is not updated on button click on OS X DOM: UI Events & Focus Handling UNCONFIRMED revisit
1392669 Left menu text does not always appear on page load for the Canvas-based game at http://s20.sfgame.pl/index.php Canvas: 2D NEW revisit
1400958 Text stomps on float with negative margin (with margin negative enough to zero out margin-box size) Layout: Floats NEW revisit
1403440 alignment-baseline is not supported SVG UNCONFIRMED revisit parity-chrome
1409529 SVG images with width or height only set in CSS rules are not visible (in intrinsically-sized block, e.g. flex item or float) Layout: Images, Video, and HTML Frames NEW revisit
1414402 Support playback of mp4v video Audio/Video: Playback NEW revisit
1419392 Improve exceptions for createImageBitmap() Canvas: 2D NEW revisit
1420787 Firefox resolves percentages against wrong box on abspos containing block, when intrinsically sizing %-height <img>/<canvas> in %-height abspos parent Layout: Positioned NEW revisit
1437413 Characters descenders cut out in an html input Layout: Form Controls NEW revisit
1437761 position:sticky inside partially-offscreen position:fixed container has a different behavior in Chrome/Edge vs Firefox Layout NEW revisit
1438105 javascript: doesn't work when a:active {position:relative} is set on a href on Firefox Android Layout NEW revisit
1440506 Dropdowns probably should be preserved among reframe Layout: Form Controls NEW revisit
1441048 Right floated element disappears when using column-count property in ol element. Layout: Floats UNCONFIRMED revisit
1441089 br with height: 0 still creates a line break in Chrome, Safari and Edge but not in Firefox. Layout NEW revisit
1452646 while clicking and navigating back, an outline is drawn Web Painting NEW revisit
1454305 onlinebokning.pastelldata.com - firefox wont ask to save password Password Manager: Site Compatibility NEW revisit
1455565 Alias ::-webkit-progress-value to ::-moz-progress-bar CSS Parsing and Computation NEW revisit
1461264 RGB Color space/profile seem different (pictures appear darker in Firefox than in Edge) Graphics NEW revisit
1463335 anchor and input superposed makes the JavaScript non active. Layout: Form Controls NEW revisit
1467114 BBC - highlighter for navigation spans extends to body edge Layout NEW revisit
1470315 The layout becomes blurry when the page is scrolled down/up Panning and Zooming NEW revisit
1471110 slideshow doesn't work JavaScript Engine NEW revisit
1472582 td containing nowrap='' and a fixed width will grow (while Chrome with enforce the width) Layout: Tables NEW revisit
1473501 Improve the way Gecko selects images based on srcset values (don't just round up, when rounding up is a huge jump) Layout: Images, Video, and HTML Frames NEW revisit
1477110 Select elements seem to get double the text-indent when a percentage is specified. Layout: Form Controls NEW revisit
1481596 Make `-moz-appearance: none` on <textarea> behave more like Chrome Layout NEW revisit
1486365 The City selection page slightly bounces after opening CSS Transitions and Animations NEW revisit
1491743 invalid CSS property value on ::selection kills the default selection settings Layout: Text and Fonts NEW revisit
1492361 Tracking issues with SSL_ERROR_NO_CYPHER_OVERLAP Security: PSM NEW revisit
1492818 After resizing the browser, the page is not reloaded and the resulted empty space becomes unusable. DOM: Navigation NEW revisit
1493434 Inconsistent table column sizing between Firefox and Chrome (with percent sizes on colgroup and col) Layout: Tables NEW revisit
1493561 non-specified border-width on input element is wide on Ubuntu Layout: Form Controls NEW revisit
1497742 CSP with invalid U+00A0 character DOM: Security NEW revisit
1499986 Handling javascript URL returning a non-string value DOM: Navigation NEW revisit
1501480 mask-image and SVG on input element fails in Firefox, Safari, and Edge, works in Chrome Layout NEW revisit
1513435 Incompatible column layout with 'height:0' and definite 'column-width' Layout: Columns UNCONFIRMED revisit parity-chrome, testcase
1514269 [CSS Multicol] Firefox only web platform tests Layout: Columns NEW revisit parity-chrome, parity-safari
1514362 [CSS Selectors] Firefox only web platform test failures Layout: Block and Inline NEW revisit parity-chrome, parity-safari
1514367 [CSSOM View] Firefox only web platform test failures DOM: CSS Object Model NEW revisit parity-chrome, parity-safari
1514371 [CSSOM] Firefox only web platform test failures DOM: CSS Object Model NEW revisit compat, parity-chrome, parity-safari
1515452 Firefox on Android (Moto G5) layout different than chrome for m.panda.tv CSS Parsing and Computation NEW revisit
1518040 SVG feBlend should take account of flood-opacity on feFlood input nodes SVG NEW revisit parity-chrome
1518433 Very high CSS <length> values may be misinterpreted due to NS_{UNCONSTRAINEDSIZE,INTRINSICSIZE,AUTOHEIGHT,AUTOOFFSET} being equal to nscoord_MAX Layout NEW revisit parity-chrome
1519578 [contenteditable] Elements made block via CSS use <br> for newlines rather than <divs> DOM: Editor NEW revisit webcompat:site-wait
1521660 Adding a selected and disabled option as the first of a select's list of options forces the first user selection to be the first option after it. DOM: Core & HTML NEW revisit
1522706 History.pushState limit may be too low for some live sites DOM: Navigation NEW revisit
1526776 Scroll position back to previous position, or sometimes, flicker page. Layout: Scrolling and Overflow NEW revisit regression Ryan Hunt [:rhunt] (on leave until Nov 6, email if urgent)
1526855 select is wide when the label is wide in optgroup (not on Chrome) Layout: Form Controls NEW revisit
1528043 Blink and Gecko differ on how wide to make the input in this floating test-case Layout NEW revisit
1528845 dynamic datalist is not working in Desktop + RDM and Firefox Android DOM: Core & HTML NEW revisit
1529953 Consider supporting the legacy mousewheel event for interop. DOM: Events NEW revisit dev-doc-needed
1530370 [meta] Support CTAP2 (FIDO2) Passwordless Web Authentication DOM: Web Authentication NEW revisit meta
1530577 (Un)Expected HTTPS upgrade of download due to <meta ... "upgrade-insecure-requests"> tag DOM: Security NEW revisit
1532481 Firefox does not expand certain list items so they do not vertically overlap, as other engines do. Layout: Generated Content, Lists, and Counters NEW revisit
1533151 Gecko and Blink disagree on where to place abs.pos. children of fragmented inline CB Layout: Positioned NEW revisit testcase
1534863 Wrong scrolling behavior when opening sections Layout NEW revisit
1538075 vertical alignment of button containing a block is different from Chrome Layout: Block and Inline NEW revisit
1539252 Firefox on macOS with Dark Mode Enabled applies Light Mode style to form controls, causing contrast issues Widget: Cocoa NEW revisit
1539619 Implement event.fromElement and event.toElement DOM: Core & HTML NEW revisit
1545659 A horizontal scroll bar is displayed under the categories section when the page is loading Layout NEW revisit
1550158 Blink and Gecko differ on where to flow absolutely-positioned element in a tight layout Layout: Positioned UNCONFIRMED revisit testcase
1550635 window.document.caretRangeFromPoint is not supported in Firefox DOM: Core & HTML NEW revisit dev-doc-needed
1552723 Layout differences with display: table and position: absolute Layout: Tables NEW revisit
1556501 Mouse events seem broken on first click of inputs are marked for form autofill Form Autofill NEW revisit regression, testcase
1558362 Google Image search Zoomed in .gif images swipe is janky CSS Transitions and Animations NEW revisit
1559020 Google Maps 3D Tilting with ctrl key + trackpad (on macOS only) DOM: Events NEW revisit
1559055 Fragmented float floats independently of the primary fragment, causing problems while printing Layout: Columns NEW revisit
1559233 Media resource could not be decoded for a video from lynda.com Audio/Video: Playback NEW revisit
1561248 When returning to previous page, page is scrolled to top DOM: Navigation NEW revisit
1563147 content attribute with a float is pushing content outside of the table cell. Layout: Tables NEW revisit
1563791 Firing mouseup/pointerup after contextmenu causes interop issues DOM: Events NEW revisit
1563984 Interaction in between display: grid and display:none elements are not properly drawn Graphics NEW revisit
1566650 Interop issues with where focus and cursor are placed when clicking ::after content in contenteditable elements. DOM: Selection NEW revisit
1568225 Gzipped WebP files are not working on 5b1q3.doctorloveit.com ImageLib NEW revisit Andrew Osmond [:aosmond]
1569401 [Workers] Firefox only web platform test failures DOM: Workers NEW revisit
1573918 Scrolling doesn't work inside fixed position element (mouse/touch scroll events get blocked by nested fixedpos overlay) Layout: Scrolling and Overflow NEW revisit
1576548 Clamp the size of the viewport after wide elements are removed Layout NEW revisit
1577904 Interop differences in iframe html/body offsetHeights as reported by Chrome and Firefox Layout NEW revisit
1578346 Can't expand list as ihover over men's, as it disappears by the time I go to reach for the link. DOM: Events NEW revisit webcompat:needs-contact
1587267 BiquadFilterNode - lowpass filter is delayed in Firefox Audio/Video NEW revisit
1587966 Cursor does not appear if element is focused before being made contenteditable DOM: Editor NEW revisit
1589396 Touch-dragging this testcases's background to scroll the page works in Chrome, but not Firefox Layout: Scrolling and Overflow NEW revisit
1589404 Firefox defaults to a different font and size for table cells than Chrome Layout: Text and Fonts NEW revisit
1593064 Consider aligning with Chrome's behavior for restoring the scroll position on back button presses. DOM: Navigation NEW revisit
1596164 navigator.geolocation.getCurrentPosition success callback not called when maximumAge option is specified General NEW revisit
1598458 height:100% on a block child inside an auto-sized table-cell within a definite size table doesn't resolve the percentage Layout: Tables NEW revisit testcase
1599345 At least one youtube keyboard shorcut doesnt work with firefox and AZERTY keyboard DOM: UI Events & Focus Handling NEW revisit
1599680 helpchat.netfirms.com - composition is interfering with value input. General NEW revisit
1600323 Part of svg is not rendered inside image tag SVG NEW revisit
1600540 Can't enter values General REOPENED revisit
1602338 The anchor (through id attribute) is not correctly positioned Layout: Scrolling and Overflow NEW revisit testcase-wanted
1603609 Different history behavior seen on a Economic Times webpage DOM: Navigation NEW revisit parity-chrome, parity-safari
1604086 textarea doesn't expand to the full height of the parent when set in position: absolute Desktop NEW revisit webcompat:contact-ready
1606594 padding in a 0px height box is scrollable at the bottom of the viewport. Layout: Block and Inline NEW revisit
1613836 Desktop Mode & Mobile mode shows same rendering. Layout NEW revisit
1615948 svg fill css transition issue when in defs SVG NEW revisit
1620050 HTMLInputElement undo history lost when moving the DOM node DOM: Editor NEW revisit
1643226 [performance] Very high CPU usage and slow scrolling Performance NEW revisit
1668061 Element doesn't receive click event if the body has negative z-index Web Painting NEW revisit

140 Total; 140 Open (100%); 0 Resolved (0%); 0 Verified (0%);


Webcompat No Priority - OPEN

Full Query
ID Summary Component Status Webcompat priority Keywords Assigned to
1475723 Geckoview and Fennec open select dropdown on tap of parent label; other browsers do not. DOM: Core & HTML NEW -
1507150 Scrolling inside a .div using the touchpad causes the whole page to scroll on google graphs DOM: UI Events & Focus Handling NEW - webcompat:site-wait
1561386 Network Information API: missing downlink attribute causing infinite loading on ads.google.com DOM: Device Interfaces NEW -
1715625 Support SFrameTransform WebRTC: Networking NEW -

4 Total; 4 Open (100%); 0 Resolved (0%); 0 Verified (0%);