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 |
|
|