Compatibility/Core Bugs Triage

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
617034	Better define the interaction between innerWidth/Height and the meta viewport tag	Layout	NEW	?
687300	"warn me when web sites try to redirect" option does not work on redirections done via Javascript (e.g. on Google Docs)	General	NEW	?
890692	maybe support textLength="" and lengthAdjust="" on tspan and textPath	SVG	NEW	?	access
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
1048294	MouseEvent.Which always reports the same wrong value (1)	DOM: Events	NEW	?	dev-doc-needed
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
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	?
1183844	queryCommandValue('backColor') always returns 'transparent'	DOM: Editor	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	?
1187591	Click events on elements with overflow != visible fire after the mouse is dragged out of the element	DOM: UI Events & Focus Handling	NEW	?
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	?
1253840	text-align: justify; doesn't work together with white-space: pre-wrap;	Layout: Text and Fonts	NEW	?
1263739	Scrolling on long discourse threads is a bad time	Graphics	NEW	?
1318126	Improve prefetch	Networking	REOPENED	?	stale-bug
1341542	cleared floats in multi-column element don't get split into columns	Layout: Floats	NEW	?
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	?
1382106	Sub menu item overlaps on menu item	Layout	NEW	?
1386100	"white-space: normal" style rule collapses newlines in textarea	Layout: Form Controls	UNCONFIRMED	?	parity-chrome, parity-safari
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
1405085	select elements lose native appearance under certain conditions	Layout: Form Controls	NEW	?
1405521	Crash in nsGlobalWindow::ClearDocumentDependentSlots: MOZ_CRASH(Unhandlable OOM while clearing document dependent slots.)	DOM: Core & HTML	NEW	?	crash
1427462	"Paste Special" doesn't work in Google Sheets	Desktop	ASSIGNED	?	webcompat:site-wait	Ksenia Berezina [:ksenia]
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
1436180	[css-grid][flex]Intrinsic size on grid-subflex / subbitem keeps the image width whilst image is resized.	Layout	NEW	?
1461852	Firefox honors small heights on <td> (for sizing of that <td> and percent resolution on children), unlike other browsers	Layout: Tables	NEW	?
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
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	?
1487826	empty <button> gets wrong position when being baseline-aligned (should use padding-box bottom, but doesn't)	Layout: Form Controls	NEW	?
1492043	number input's inner spin button always shown with '-webkit-appearance: none'	Layout: Form Controls	NEW	?	regression	Jonathan Watt [:jwatt]
1497959	clip-path: inset(0 0) cuts off content if it is too long when not using WebRender	Web Painting	NEW	?
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	?
1520328	FOUC caused by a hidden input in the <head> tag	Layout	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	?
1527955	Chromium shows images even when server says they're plain text content-type, Firefox does not.	ImageLib	NEW	?
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	?
1569211	getSelection, getRangeAt return wrong anchorNode, endContainer and endOffset if selection contains SVG(or unselectable text inside)	DOM: Selection	NEW	?	parity-chrome
1577506	Broken photo slideshow transition	CSS Transitions and Animations	NEW	?	webcompat:needs-diagnosis
1595434	2GB raw text file which has long lines and lot of lines creates a rendering issue	Layout	NEW	?
1600224	Unexpectedly small line box, with "display:contents; line-height:[anything]"	Layout: Block and Inline	NEW	?
1600848	Links with 'user-select: none' or svg content duplicates on copy	DOM: Selection	NEW	?	parity-chrome
1603310	Layout is broken when displayed on a wide screen	Layout	NEW	?
1605406	SVG elements with mix-blend-mode and mask are not rendered correctly	SVG	REOPENED	?	regression
1608332	video fails to open inside a canvas element	Canvas: 2D	NEW	?
1608778	www.juegotk.com - The game does not run smoothly	Performance	NEW	?
1613604	slow site with Direct3D 11 renderer but fixed by webrender	Graphics	NEW	?
1613838	Performance issue when playing games on	Graphics	NEW	?
1616361	Firefox and chrome differ on how stacking contexts are formed, with a relatively-positioned inline	Layout: Positioned	NEW	?
1616405	Accessible-caret-based text selection doesn't work if there's an animation playing	Layout	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	?
1620092	mp4 video plays on macos but not windows (not supported format?)	Audio/Video	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
1623425	transform translateX animation with requestAnimationFrame is jittery	CSS Transitions and Animations	NEW	?
1628965	large font size becomes blurred	Graphics: WebRender	NEW	?
1636972	discord.com: nothing happens when clicking "Join this server"	DOM: UI Events & Focus Handling	NEW	?
1639119	SVG text positioning attributes should address entire Unicode characters, not UTF-16 code units	SVG	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 May 30th
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	?
1643554	Need to press back many times on indiatoday.in to go back in history	DOM: Navigation	ASSIGNED	?		Johann Hofmann [:johannh]
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	?
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
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	?
1651878	The video or audio does not play	Audio/Video	NEW	?
1654336	Navigation bar does not stick to the bottom of the page	Panning and Zooming	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	?
1659638	radar.weather.gov - Panning the map is sluggish in Firefox	Panning and Zooming	NEW	?	perf
1662057	opacity on text with overlapping letters should not show darker areas (ex: RTL Arabic)	Graphics: Text	NEW	?	regression
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
1664160	Poor scrolling performance on leganerd.com	Layout	NEW	?
1665047	Past editions on https://www.miragefestival.com/ shows broken animations	Graphics	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	?
1673291	Video is not properly resized after modifying the window size	Layout	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	?
1680819	enable intermediate preloading on focus	Security: PSM	NEW	?
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	?
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	?
1686338	AVIF (AV1 Image File Format): image sequence and animation support	ImageLib	NEW	?
1688310	I am not being redirected back to Udemy after signing in with Apple.	DOM: Navigation	UNCONFIRMED	?	stalled, steps-wanted, webcompat:needs-diagnosis
1688865	Consider exposing clipboard.write to web content	DOM: Copy & Paste and Drag & Drop	NEW	?
1691374	Image inside "preserve aspect ratio" solution invisible	Layout	NEW	?
1693555	Poor performance on FF85 on nasa.gov simulations	Canvas: WebGL	NEW	?
1695563	Rendering performance issues for combination of SVG and webp "mask" with a gradient	Graphics	NEW	?
1699042	on scroll event have a page visual update lag	Layout	NEW	?
1701508	compat issue with default layout of images in iframes	DOM: Core & HTML	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
1703906	Time input validity is not updated for partial values	DOM: Forms	NEW	?	parity-chrome
1704977	tv.apple.com - The video or audio stops playing after a couple of minutes	Audio/Video	NEW	?
1706218	Give priority to name over id for usemap reference in image map	DOM: Core & HTML	NEW	?	parity-chrome
1708871	Element with large negative `text-indent` breaks viewports on sites with `direction: rtl`	Layout	NEW	?
1710327	slow choppy scrolling with arrows on twitter timeline	Panning and Zooming	NEW	?	parity-chrome
1710921	NS_ERROR_INTERCEPTION_FAILED on medicare.gov	DOM: Service Workers	NEW	?	webcompat:needs-diagnosis
1712667	Images not loaded after multiple refresh	Graphics	NEW	?
1713348	Spurious Firefox version warning on Mozilla CultureAmp survey site when using Firefox iOS	General	NEW	?
1721256	Element width explodes in reduced test-case in Firefox	Layout	NEW	?	dupeme
1726121	Scroll Anchoring results in jump'y scrolling on ekwb.com in GeckoView	Layout: Scrolling and Overflow	NEW	?
1726786	Consider adding hover'able elements as valid targets for event retargeting	Layout	NEW	?
1734343	The text in the sidebar tree is displayed as grayscale AA instead of subpixel AA.	Graphics: WebRender	NEW	?	nightly-community, regression
1735169	ExoPlayer crashes with OOM on sirius-online.ru	Audio/Video: Playback	NEW	?		John Lin [:jhlin][:jolin]
1738585	Main process is "live hanging" when I opening the site	Networking	NEW	?	perf:responsiveness
1739561	Broken "Trips" flight preview in Gmail, with flexbox nested in multicol	Layout: Flexbox	NEW	?	regression	Ting-Yu Lin [:TYLin] (UTC-8) (🍼 Away March 11 - June 5)
1740658	Unexpectedly-wide flex item, when child has large intrinsic size but is constrained by aspect-ratio and cross-axis fixed size on flex container	Layout: Flexbox	NEW	?
1748339	content-based 'flex-basis' produces a width of 0, in case where descendant with aspect ratio and resolvable percent height should prop it up	Layout: Flexbox	NEW	?
1760534	scroll is stuttering or not happening on elgiganten.se	Panning and Zooming	NEW	?	webcompat:needs-diagnosis
1766924	Cannot paste images into skype	Desktop	NEW	?
1769458	Regression: jquery-simple-datetimepicker no longer works in Firefox Developer Version	DOM: Events	NEW	?	regression

144 Total; 144 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	form input state (including disabled state and other properties) are cached across reloads and history navigation	DOM: Forms	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	Layout: Floats	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
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
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
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
1360238	window.getSelection().toString() displays extra "\n" characters on multiple block elements, even if they are display:inline	DOM: Serializers	NEW	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
1403440	alignment-baseline is not supported	SVG	NEW	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
1441048	Right floated element disappears when using column-count property in ol element.	Layout: Floats	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
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	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
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]
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
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
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] (he/him)
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
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	perf:responsiveness
1668061	Element doesn't receive click event if the body has negative z-index	Web Painting	NEW	revisit

128 Total; 128 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	-
1717774	[Bug] fast forward with double tap doesn't on the fullscreen video	Audio/Video: Playback	NEW	-	parity-chrome
1765108	solar.lowtechmagazine.com - scroll slighlty slower using Firefox on Android.	Graphics	NEW	-

6 Total; 6 Open (100%); 0 Resolved (0%); 0 Verified (0%);