Wed Apr 24 2024 23:45:21 PDT
  • Summary: mouse
  • Classification: Client Software, Components
  • Comment: degrad working stops
  • Resolution: ---, INVALID
  • Product: Core, Firefox

289 bugs found.
ID Type Summary Product Comp Assignee Status Resolution Updated
1819206 With Firefox 110, dropdown menus disappear when the mouse moves Core Widget: Gtk nobody UNCO --- 2023-10-16
1341059 middlemouse.contentLoadURL is not prevented with preventDefault() Core DOM: UI Events & Foc nobody UNCO --- 2023-10-28
1549295 Tooltip does not get disappear while doing horizontal scrolling as browser does not fire mouseLeave event Core DOM: Events nobody UNCO --- 2022-10-11
1606832 Pen input(~wacom tablet) recognized as mouse in firefox Core Widget: Gtk nobody UNCO --- 2024-03-25
1338813 Mouse scroll icon invisible in Firefox full-screen in Windows 10 Tablet mode Core Widget: Win32 nobody UNCO --- 2022-10-11
1359440 MouseEvent.offsetX and offsetY are only available on the current event, not on all events Core DOM: Events nobody UNCO --- 2024-03-09
1397781 mouse scroll wheel not working on second display to 'left' of 'primary monitor' unless firefox window is positioned on the upper part of the screen or maximized Core DOM: UI Events & Foc nobody UNCO --- 2022-10-11
1398002 <select> element mousedown bug in Firefox (Developer version 56.0b9 (64-bit) and current release version 55.0.3 (64-bit)) Core Layout: Form Control nobody UNCO --- 2024-02-27
1420629 jquery mouse.over problems Core DOM: Events nobody UNCO --- 2022-10-11
1490987 mousedown+move event in defaultprevented mode still selects content Core DOM: Events nobody UNCO --- 2022-10-11
1579766 Mouse Movements Cause Recalculate Styles Events Core Layout nobody UNCO --- 2022-10-11
1817147 Mouse hovering intermittently not working Core Widget: Gtk nobody UNCO --- 2023-02-16
1883704 [linux] [cinnamon] new windows always follow mouse cursor on dual monitor setup Core Widget: Gtk nobody UNCO --- 2024-03-14
1716907 Mouse cursor not selecting when left click is held for searching. Core Widget: Cocoa nobody UNCO --- 2022-09-02
306517 mouseup fails to fire when part of a table is selected Core DOM: Events nobody UNCO --- 2022-10-10
360875 Mouseout event triggered for parent when mouseover on autocomplete drop down Core DOM: Events nobody UNCO --- 2020-12-16
411031 LayerX/Y properties are incorrectly calculated when a event is manually dispatched (initmouseevent) Core DOM: Events nobody UNCO --- 2022-10-10
457853 DOMMouseScroll multiple fires Core DOM: Events nobody UNCO --- 2022-10-10
457938 Mouse middle button scroll icon doesn't paint properly Core Widget: Gtk nobody UNCO --- 2022-10-10
754607 Problem with onmouseup event Core DOM: Events nobody UNCO --- 2022-10-10
771241 The :active pseudo class is turned off by event.preventDefault() for the mouseover event (for an absolutely positioned element nested within another absolutely positioned element) Core DOM: Events nobody UNCO --- 2022-10-10
1449275 Scrollbar not responding to middle mouse button click Core Widget: Gtk nobody UNCO --- 2024-04-02
252249 onmouseover event-handler is not executed and mouse pointer style is not updated Core DOM: UI Events & Foc nobody UNCO --- 2022-11-23
408012 Mouse button 5 acts like scroll button Core Widget: Cocoa nobody UNCO --- 2022-10-10
490229 mousewheel support in menu selectors doesn't exist.. works in every other app but firefox! Core Layout: Form Control nobody UNCO --- 2022-10-10
524043 Onmouseover and onmouse after deletion and recreation do not work Core DOM: UI Events & Foc nobody UNCO --- 2022-10-10
580634 The browser stop to renderize the page while i dont move the mouse. Firefox General nobody UNCO --- 2022-10-10
591374 The mouse wheel stop controlling the scroll bars after a visiting a particular website with Javascript Firefox General nobody UNCO --- 2022-10-10
633955 pull-down menu flickering when holding down mouse-right button on secondary monitor Core Widget: Win32 nobody UNCO --- 2022-10-10
706457 underlying elements disappear sometimes when hovering mouse pointer Core General nobody UNCO --- 2022-10-10
812202 initMouseEvent with ctrlkey flag Firefox Tabbed Browser nobody UNCO --- 2022-10-10
903761 Mouse degrades, main menu items do not open menus after about an hour of browsing (linux) Firefox Menus nobody UNCO --- 2024-02-27
1019630 preventDefault not working with select/option tags for mouse/keyboard events Core DOM: UI Events & Foc nobody UNCO --- 2022-10-11
1187971 OS:Fedora. Page is always_scrolled_down the 1st time you scroll with mouse wheel after refocus of Firefox window (AND also DOMMouseScroll reports wrong scroll amount in event.detail. See comment 1) Core DOM: UI Events & Foc nobody UNCO --- 2022-10-11
1199214 Clicked Link Does Not Activate Until Mouse Moved Core DOM: UI Events & Foc nobody UNCO --- 2022-10-11
1205395 oscillation when using CSS transform on :hover combined with box-shadow, even without mouse movement Core Layout nobody UNCO --- 2022-10-11
1336764 [e10s] css cursor: url("**some_image**"), auto; changes after mouse movement only. Core Layout nobody UNCO --- 2023-11-18
1413874 Add mouse gestures natively Firefox General nobody UNCO --- 2023-12-14
1583061 Make middlemouse.paste pref more consistent with Ctrl+V and Paste (from context menu) on selected text Firefox Settings UI nobody UNCO --- 2022-10-11
1595272 open javascript dialogs at mouse position Core DOM: Core & HTML nobody UNCO --- 2022-10-11
1616309 Mouse over on Wayland broken in FF 73 Core Widget: Gtk nobody UNCO --- 2023-08-07
1658059 Middle mouse paste functionality Firefox General nobody UNCO --- 2021-09-01
1719344 context menu right mouse click cannot choose between two identical shortcuts Core Widget: Gtk nobody UNCO --- 2021-07-06
1794118 Screen not refreshed after scrolling using mouse wheel Core Widget: Gtk nobody UNCO --- 2022-10-26
1806829 [Unity WebGL for Firefox] When a WebGL window has the cursor locked, mouse input drifts to the right Core Graphics: CanvasWebG nobody UNCO --- 2023-01-05
1851748 Uploadind video to youtube Mouse starts lag and then mozilla stops responding. Everytime same issue. Core Audio/Video: Playbac nobody UNCO --- 2023-09-06
1866327 [nsfw] With many tabs open (>25) after using mouse to rearrange tabs, left mouse button stops responding Core DOM: Copy & Paste an nobody UNCO --- 2024-02-27
1342569 mouseenter/mouseleave fire differently on <select>s in e10s mode. Core DOM: Events mconley NEW --- 2022-08-04
418906 OpenTable.com JS autocomplete box flickers in FF3 on mouseover Core Web Painting nobody NEW --- 2022-10-10
1404519 Consider coalescing mouse moves more aggressively when mouse button events are enqueued Core DOM: Events nobody NEW --- 2022-10-11
1484317 drugs.com images strobe/flash on mouseover, safety issue Core DOM: Events nobody NEW --- 2022-10-11
1527037 Scroll jank when mousewheel-scrolling slide thumbnails on Google Docs (with lots of time spent painting & in GetFrameForPoint) Core Web Painting nobody NEW --- 2022-10-11
1531657 Right click context menu triggers mouseout event on selected text Core DOM: UI Events & Foc nobody NEW --- 2022-10-11
1534199 Delete `MouseEvent.mozPressure` after deprecation period is over Core DOM: Events nobody NEW --- 2024-04-04
1672126 webRTC: mouse pointer displayed at wrong position on shared screen Core WebRTC nobody NEW --- 2021-02-25
1875627 Can't scroll using the mouse after drag and drop a file inside firefox Core Panning and Zooming nobody NEW --- 2024-04-02
39166 configurability of mouse drag/popup bindings Core DOM: UI Events & Foc nobody NEW --- 2022-10-10
39805 [FOCUS/ACT]mousecapture needs to pay attention to deactivation Core DOM: UI Events & Foc nobody NEW --- 2022-10-10
40068 click to cancel context menu triggers onmouseup Core DOM: UI Events & Foc nobody NEW --- 2022-10-10
46117 [EVENTTARG]mouse events not passed through to abs/rel positioning items Core DOM: UI Events & Foc nobody NEW --- 2022-10-10
47433 [CBX]Arrow image for dropdowns should change to 'depressed' image on mousedown Core Layout: Form Control nobody NEW --- 2022-10-10
47436 onmouseover for parent item shouldn't fire if over submenu item Core DOM: UI Events & Foc nobody NEW --- 2022-10-10
50511 scrolling/app switching under mouse should cause mousemove (cursor change) Core DOM: UI Events & Foc nobody NEW --- 2022-10-10
70501 [meta] The middle mouse button should work more consistently (also ctrl+click) Firefox Tabbed Browser nobody NEW --- 2022-10-10
144098 mouse freezes & jumps when javascript builds on the fly tables Core DOM: Core & HTML nobody NEW --- 2022-10-10
1173732 Mouse target area for resizing the Firefox browser window is too narrow Core Widget: Win32 nobody NEW --- 2022-10-11
1197590 middlemouse.scrollbarPosition no longer works on GTK3 scrollbars Core Widget: Gtk nobody NEW --- 2022-10-17
1240704 laggy mousemove with heavy computation Core DOM: UI Events & Foc nobody NEW --- 2022-10-11
1259924 [quirks mode] mousemove fails because <body> element height doesn't fill the viewport Core Layout nobody NEW --- 2024-04-10
1277290 about:tabcrashed loaded in an iframe forwards mouse events to the focused tab after closing. Core DOM: UI Events & Foc nobody NEW --- 2022-10-11
1296082 [linux] when moving a tab, you have to continuously wiggle the mouse to get the tab area to scroll left/right Firefox Tabbed Browser nobody NEW --- 2022-10-11
1299751 [Ubuntu 16.04] Missing mouse pointer from Firefox window share Core WebRTC nobody NEW --- 2022-10-11
1309381 New spatial audio on Facebook demo has crazy slow mouse movement relative to Chrome. Core Graphics nobody NEW --- 2022-10-11
1327869 Mouse wheel (PageDown) STILL scrolls too far on pages with fixed header elements, and some lines stay invisible Core Layout nobody NEW --- 2022-10-11
1328047 Page doesn't scroll to the beginning when I rotate mouse wheel down once, then up once Core Layout nobody NEW --- 2022-10-11
1343281 Mouse capturing does not work with org.gnome.desktop.wm.preferences focus-mode set to 'sloppy' Core DOM: UI Events & Foc nobody NEW --- 2022-10-11
1351062 [e10s] mouse movements are captured in a wrong way if CSS 'transform' changes in iframe Core Layout nobody NEW --- 2022-10-11
1352061 mouseover-event not fired if "overflow: hidden;" is applied and mouse button is pressed Core DOM: Events nobody NEW --- 2022-11-07
1395860 Dropdown items should keep being highlighted under mouse cursor while scrolling the list Core Layout: Form Control nobody NEW --- 2022-10-11
1397514 Selection jumps when the mouse cursor enters an absolute/fixed position parent Core DOM: Selection nobody NEW --- 2022-10-11
1424893 Mouse button events don't fire with wheel motion on MacOS Core DOM: UI Events & Foc nobody NEW --- 2022-12-07
1442197 Firefox no longer sends mousewheel events via NPP_HandleEvent on Mac Core Widget: Cocoa nobody NEW --- 2022-10-11
1448580 The mouse up event is handled after the click event Core DOM: Events nobody NEW --- 2022-10-11
1460637 Touch dragging a tab confuses mouse dragging text selection Core Widget: Win32 nobody NEW --- 2022-10-11
1504210 PointerEvents for the left mouse button do not work correctly on MacOS when Control is pressed Core DOM: UI Events & Foc nobody NEW --- 2023-06-19
1534668 Windows 10 - Precision Touchpad - Unable to prevent scrolling DOMMouseScroll Core DOM: Events nobody NEW --- 2023-01-27
1562574 When use mouse wheel to scroll through the docs.qq.com, the page will be significant slow. Core Graphics: Canvas2D nobody NEW --- 2022-10-11
1606942 When mouse left down and drag, is selecting the all text on page Core DOM: Selection nobody NEW --- 2022-10-11
1662078 Figure out if there is better way to handle eMouseExitFromWidget event while the primary frame of mLastOverElement has been destroyed Core DOM: UI Events & Foc nobody NEW --- 2020-08-31
1681647 `mousemove` events for outside `<iframe>` are fired in the subdocument even if preceding `mousedown` in the subdocument is canceled Core DOM: Events nobody NEW --- 2022-10-07
1772257 When dragging a card with the mouse, it does not follow the mouse smoothly. Core CSS Transitions and nobody NEW --- 2022-06-05
1781668 Intermittent dom/events/test/test_mouse_enterleave_iframe.html | single tracking bug Core DOM: UI Events & Foc nobody NEW --- Sun 23:38
74348 Need Mouse Button State properties Core DOM: Events nobody NEW --- 2022-10-10
150737 Alert box kills doc response to mouse position Core DOM: Events nobody NEW --- 2022-10-10
1247899 [e10s] Closing SELECTED tab disappears immediately, and that (for 200ms) causes tabs resize if I move mouse pointer within tabs toolbar Firefox Tabbed Browser nobody NEW --- 2022-10-11
68863 row size shrinks when I select all rows with mouse and type text Core DOM: Editor nobody NEW --- 2020-12-16
78976 No mousemove events when moving from inside of iFrame to outside. Core DOM: Events nobody NEW --- 2022-10-10
129775 event "button" and "which" properties don't work during "onmousemove" events Core DOM: Events nobody NEW --- 2022-10-10
180514 no mouseOver event when clicking on text for Drag&Drop Core DOM: Events nobody NEW --- 2022-10-10
197919 Non Mouse Click & Max Number of Popups Exceptions Core DOM: Core & HTML nobody NEW --- 2022-10-10
224312 click handler setting e.preventDefault() breaks mouseover/mouseout handlers setting status bar text Core DOM: Events nobody NEW --- 2022-10-10
274432 When dragging text to search bar, mouse over search engine should show list of search engines, and allow dropping text onto one to search that engine Firefox Search nobody NEW --- 2023-08-08
424051 Select autocomplete results onmousedown instead of onclick Firefox Address Bar nobody NEW --- 2020-11-03
448424 Word selection stop working if mouse goes over a combobox control Core DOM: Selection nobody NEW --- 2020-12-16
574116 mouseout/mouseover not fired when leaving input[type="text"] with the mouse button down Core DOM: Events nobody NEW --- 2022-10-10
651297 Mouse click doesn't work in Google Finance for changing months with the arrows on the calendar Core DOM: Events nobody NEW --- 2023-11-17
657145 window.open() during mousedown event creates popunder sometimes Core DOM: Core & HTML nobody NEW --- 2024-02-27
711709 An element whose visibility is "hidden" can't receive mouse events Core DOM: Events nobody NEW --- 2022-10-10
764498 movementX and movementY have the wrong value for mousedown and mouseup Core DOM: Events nobody NEW --- 2022-10-10
957516 Mouse click event not being captured if combobox (dropdown) is open Core DOM: Core & HTML nobody NEW --- 2022-10-11
1029451 [e10s] Synthesized mouseover blocked by EventUtils.disableNonTestMouseEvents(true) in mochitest-browser and dt Core DOM: Events nobody NEW --- 2022-10-11
1048294 MouseEvent.Which always reports the same wrong value (1) Core DOM: Events nobody NEW --- 2023-09-11
1124678 Changing default search-engine with Ctrl+mousewheel closes and reopens search-panel Firefox Search nobody NEW --- 2021-11-10
1245083 Swiping back or forward makes scrolling on the trackpad not work until the mouse is moved Core Panning and Zooming nobody NEW --- 2022-10-11
1247509 Mouse wheel incorrectly changes zoom level in a widget on http://jsray.user2dev.com/ Core DOM: Events nobody NEW --- 2020-12-14
1248300 Mousemove event returning incorrect mouse coordinates Core DOM: Events nobody NEW --- 2022-10-11
1423643 Mouse scrolling not working in bookmark dropdowns when folder is expanded Firefox Menus nobody NEW --- 2022-10-11
1567213 Youtube videos freeze unless mouse is over the video Core Graphics nobody NEW --- 2022-10-11
1873651 Intermittent dom/events/test/browser_mouseout_notification_panel.js | single tracking bug Core DOM: Events nobody NEW --- Sun 23:19
1878754 rendering bugs on several pages when moving the mouse pointer over links/page Core Graphics: WebRender aosmond NEW --- Tue 19:38
1862805 Remove MozMouseExploreByTouch event Core Disability Access AP jteh NEW --- 2023-11-02
65525 Moving the mouse quickly causes wrong menu to be displayed. Core XUL nobody NEW --- 2022-10-10
83202 mouseover event not immediate in modal windows Core DOM: UI Events & Foc nobody NEW --- 2022-10-10
87156 Mouse wheel does not work when a select list has focus but is not open Core DOM: UI Events & Foc nobody NEW --- 2024-02-27
104630 twm: submenu invisible when mouse not on submenu region Core XUL nobody NEW --- 2022-10-10
113536 tooltips don't handle mousedown event Core XUL nobody NEW --- 2022-10-17
113588 when a popup appears under the mouse, onmouseover isn't dispatched Core XUL nobody NEW --- 2022-10-10
166658 OnMouseOut fires immediately after OnMouseOver Core DOM: UI Events & Foc nobody NEW --- 2022-10-10
270683 Unable to select text using mouse (no scrolling) Core DOM: Selection nobody NEW --- 2022-10-10
328931 Mouse events not reliably captured when pointer leaves browser window Core DOM: UI Events & Foc nobody NEW --- 2022-10-10
370524 Applying overflow-x to statusbar causes window resize not to follow mouse pointer Core Layout nobody NEW --- 2022-10-10
392200 clicking scroll arrow, dragging mouse off and back onto arrow starts, stops, but does not resume scrolling Core XUL nobody NEW --- 2022-10-10
400920 mouse wheel scrolling doesn't work if scroll bar not visible Firefox General nobody NEW --- 2022-10-10
420530 Put TEXTZOOM on CTRL-SHIFT-MOUSEWHEEL & PageZOOM on CTRL-MOUSEWHEEL Firefox General nobody NEW --- 2022-10-10
444442 Multiple alert boxes onmouse[down/up] Core DOM: UI Events & Foc nobody NEW --- 2022-10-10
531320 MouseEvent pressure does not work for drawing tablets on Linux Core DOM: UI Events & Foc nobody NEW --- 2022-10-10
564691 dblclick event fired on multiple right mouse button clicks Core DOM: Events nobody NEW --- 2022-10-10
617564 setConsumeRollupEvent not working in mac for FF 3.6.12 while mouse is down. i think waits for after click Firefox Menus nobody NEW --- 2022-10-10
636683 copy-paste does not work (via onmousedown and an onmouseup handler) Firefox General nobody NEW --- 2022-10-10
645529 DOMMouseScroll event stops firing after child modal window was closed before onload fired Firefox General nobody NEW --- 2022-10-10
658427 Delay on mouse-over of hyper-links in FF4 Firefox General nobody NEW --- 2022-10-10
693582 Firefox hangs(/unresponsive/ignores mouse events) when moving a tab while an install addon window appears Firefox Tabbed Browser nobody NEW --- 2022-10-10
722095 Add a pref to disable suppressing synthetic mouse events during scrolling [introduced in bug 675015] Core Layout nobody NEW --- 2024-02-27
731106 Changing the HREF of a link in a mouseover handler doesn't change the displayed URL Firefox General nobody NEW --- 2022-10-10
732621 Rendering/processing in onmousemove is very laggy in fractal demo Core Widget nobody NEW --- 2022-10-10
749553 Synthesized mousemove events are not set current modifier state Core DOM: Events nobody NEW --- 2022-10-10
791429 logitech mouse/keyboard zoom feature fails to zoom out Core Widget: Win32 nobody NEW --- 2022-10-10
819102 Mouse events still being fired when preventDefault() in called in touch event handlers Core DOM: UI Events & Foc nobody NEW --- 2022-10-10
830406 [Mac] entries in the list of Allowed Sites for add-on installation appear and disappear as the mouse moves over them Core Widget: Cocoa nobody NEW --- 2022-10-10
925018 can't un-show tabs in fullscreen without using the mouse Firefox Keyboard Navigation nobody NEW --- 2022-10-11
929523 Ontouch* , onmouse*, onclick events not fired on touch enabled devices when horizontal scrollbar is present Core DOM: UI Events & Foc nobody NEW --- 2022-10-11
949151 The separators for wide widgets don't match the spec (too tall and should disappear on mouse over) Firefox Theme nobody NEW --- 2022-10-11
982819 [HiDPI] Ctrl mousewheel won't zoom out to device pixels on 144DPI Firefox General nobody NEW --- 2022-10-11
989911 Auto select the Select tag when mouse out of the option Core Layout: Form Control nobody NEW --- 2022-10-11
1003211 Autoscroll not enabled (or disabled immediately) if middle-clicking while mouse is being moved fast. Firefox General nobody NEW --- 2022-10-10
1084121 Mouse wheel event is captured by iframe and not propagated - parent document should scroll if content inside IFRAME doesn't, and events should fire accordingly Core DOM: UI Events & Foc nobody NEW --- 2022-10-11
1090416 middle mouse click to open URL in new window causes new window to steal focus Core DOM: UI Events & Foc nobody NEW --- 2024-02-27
1125926 XUL trees (e.g. "about:sessionrestore", "about:config") instantly scroll 3 lines per mousewheel-tick, without smooth-scroll (which makes it hard to follow if pane is small) Core XUL nobody NEW --- 2022-10-11
1180031 CSS hover state persists on repositioned elements if the mouse was over HTML5 video Core DOM: UI Events & Foc nobody NEW --- 2022-10-11
1185371 Touch pad mouse scrolling sometimes stop working Core General nobody NEW --- 2022-10-11
1327104 Cursor is set inconsistently when mouse is moved outside of window with pressed left mouse button Core Layout: Images, Vide nobody NEW --- 2022-10-11
1347382 Scrolling in tabs strip doesn't always work if mouse is placed above selected tab Firefox Tabbed Browser nobody NEW --- 2022-10-11
1615916 Make Extended mouse buttons available to web pages (possibly behind permission) Core DOM: UI Events & Foc nobody NEW --- 2022-10-11
1621855 Intermittent /pointerevents/pointerlock/pointerevent_movementxy.html | mouse pointerevent attributes - assert_equals: movementX should be the delta between current event's and last event's screenX expected 20 but got 0 Core DOM: UI Events & Foc nobody NEW --- 2022-10-11
1677509 SendReceiveMouseInputEvent often blocks the main thread of the parent process Core IPC nobody NEW --- 2024-04-10
1697330 We don't recompute mouse position while an animation is running under the mouse Core Layout nobody NEW --- 2021-03-11
1811031 Broken functionality when holding mouse click down on a menu UI element, and then releasing over a menu option to trigger it Core XUL nobody NEW --- 2023-08-02
1859988 Copying GitHub commit SHAs doesn't work with the mouse Core DOM: Copy & Paste an nobody NEW --- 2023-10-31
1869767 The Delete button and Color picker from each Highlight should disappear when the user moves the mouse cursor away from the Highlight Firefox PDF Viewer nobody NEW --- 2024-01-26
837069 Regression oberved during mousedown / focus events Core DOM: UI Events & Foc smaug NEW --- 2022-10-10
1877972 Mouse wheel occasionally stops working in content, works in chrome Core Panning and Zooming botond ASSI --- 2024-04-15
1793274 Mouse Scroll doesn't work only on popup because Synaptics creates a hidden window underneath the cursor Core Widget: Win32 masayuki ASSI --- 2023-08-07
1714865 Clicking both mouse buttons, status "left click pressed" remains Core Widget: Cocoa mstange.moz ASSI --- 2022-04-05
461500 3 finger swipe up/down doesn't scroll unless the area under the mouse is focused Firefox General edilee ASSI --- 2022-10-17
1756166 Expose a configuration to treat stylus pens as mouses Core DOM: UI Events & Foc krosylight ASSI --- 2023-02-22
1888018 Make `EventStateManager` keep targetting `mouseout` event even even after the last `mouseover` target is temporarily removed from the tree after `mouseover` and `mouseenter` Core DOM: Events masayuki ASSI --- 2024-04-16
872559 Mouseover and mouseout stop working in iframed document when iframe's position changes to absolute. Core DOM: UI Events & Foc smaug ASSI --- 2024-03-29
1273012 Bookmarks popup would not scroll with mouse wheel when mouse pointer on a folder Core Widget nobody REOP --- 2024-01-31
1674658 preventDefault on body mousemove doesn't work Core DOM: Selection nobody REOP --- 2024-04-12
1755231 [Partial scale] Missing cursor scale - Mouse pointer tiny on Firefox 96/Wayland/Ubuntu 21.10 Core Widget: Gtk nobody REOP --- Tue 09:20
1784030 Intermittent dom/events/test/browser_mouse_enterleave_switch_tab.js | single tracking bug Core DOM: UI Events & Foc nobody REOP --- Mon 22:43
693827 Rearrangement of tabs stops if mouse is moved to viewport occupied by a plug-in Firefox Tabbed Browser nobody REOP --- 2022-10-10
1062844 Menus on the file menu are slow, lag and unresponsive to mouseover Core Graphics nobody REOP --- 2022-10-11
1804816 Css Draw Mouse Cursor 32x32 (zoom out) to hide omni box Core DOM: CSS Object Mode nobody REOP --- 2023-12-18
22115 [DOGFOOD] Problem with mouse event queue Core DOM: UI Events & Foc blizzard RESO INVA 2019-03-13
1325660 Scroll event is cancelled when mouse is dragged with LMB pressed Core DOM: UI Events & Foc nobody RESO INVA 2019-03-13
1356143 Losing scroll steps with wireless mouse - only in FF not in Chrome Core Panning and Zooming nobody RESO INVA 2017-04-25
1459506 Add a pref to control smooth scrolling for trackpad/mousewheel events independently of other scrolling (e.g. keyboard events, JS scrollTo() etc.) Core Panning and Zooming nobody RESO INVA 2018-07-27
1615731 Bug appeared again: mouse wheel stops working Core Panning and Zooming nobody RESO INVA 2020-07-17
1719197 Mouse scrolling is WAY TOO slow and makes it unusable Core Widget: Gtk nobody RESO INVA 2021-08-10
138506 while using a pull down menu, you cannot scroll with mouse Core Layout: Form Control rods RESO INVA 2003-06-20
123424 defaultStatus not restored after leaving onmouseover / status not transient Core DOM: Events jag+mozilla RESO INVA 2020-01-22
1461206 autocomplete in address bar or input field may lead to browser hang and all stop working mouse control in all Xwayland applications Firefox Address Bar nobody RESO INVA 2019-07-25
273643 Text linsk in tables not activating or only activating after mouser on certain parts. Firefox General bugzilla RESO INVA 2004-12-07
287370 By opening some web sites - system freezes (no respond to mouse and keyboard). Firefox General bugzilla RESO INVA 2005-03-23
221558 LABEL element doesn't distibute handle mouseOver to linked element Core DOM: UI Events & Foc events RESO INVA 2019-03-13
257645 onmouseout triggered for multiple / nested elements with hover, etc. Core DOM: Events events RESO INVA 2011-03-03
270101 Auto-Scroll doesn't work outside the range of a page and Scroll-with-Mouse doesn't work altogether Firefox General general RESO INVA 2005-09-12
315592 Mousemove events in SVG don't react in a way you expect Core SVG general RESO INVA 2007-04-27
742445 Mouse DOM events not being detected Core Widget: Win32 jmathies RESO INVA 2014-07-24
84092 onmouseup events not being handled Core DOM: Events joki RESO INVA 2002-12-16
100740 onMouseOver / onMouseOut events Core DOM: UI Events & Foc joki RESO INVA 2019-03-13
172349 click-hold in scroll bar stops if mouse is moved Core DOM: UI Events & Foc joki RESO INVA 2019-03-13
174329 Mouse middle button behaviour Core DOM: UI Events & Foc joki RESO INVA 2019-03-13
161161 onmouseup not working Core DOM: Core & HTML jstenback+bmo RESO INVA 2002-08-06
106692 Rewrite mouse events to use CarbonEvents Core XUL mark RESO INVA 2017-08-04
209997 Trying to select block of text using mouse stops following dragged pointer after approximately 1 second Core DOM: Selection mjudge RESO INVA 2003-06-24
187043 Iframes should only scroll with mousewheel when focused, not when the mouse is over them Core DOM: UI Events & Foc nobody RESO INVA 2019-03-13
199639 Latest Logitech mouse drivers 9.76 breaks middle-click functionality Core Widget: Win32 nobody RESO INVA 2010-11-19
279765 mouse wheel not working when mouse pointer is above a html PRE tag Firefox General nobody RESO INVA 2007-04-03
305552 Firefox crashes randomly causing Gnome to hang. Mouse moves but can't click anything. Keyboard gets completely locked can't switch to text mode console with ctrl+alt+f1. Only way to continue is a restart Firefox General nobody RESO INVA 2005-08-22
308704 Logitech Mouse button configured as back button doesn't work most anymore Firefox Shell Integration nobody RESO INVA 2005-09-15
309345 DP/1.5b1 - IntelliPoint Mouse with horizontal scrolling stopped being able to trigger Back and Forward after upgrade Firefox General nobody RESO INVA 2005-09-20
334065 Click and hold / Long mouse click brings up no right click / ctrl click / context menu. Firefox Menus nobody RESO INVA 2016-05-09
350797 need to fix state for close button when mouse hovered over background tab, but mouse not hovering over close button Firefox Theme nobody RESO INVA 2013-12-27
354383 Exception thrown from onmouseover, while an alert dialog is visible, makes statements after the alert not execute Firefox General nobody RESO INVA 2006-09-27
410600 Playing Flash movies with alpha or moving images and moving mouse causes USB devices to stop working and crash Firefox Shell Integration nobody RESO INVA 2008-01-03
420294 Side mouse buttons no longer work as back and forward Core Widget: Gtk nobody RESO INVA 2020-02-16
433863 mouseUp action is not fires Firefox General nobody RESO INVA 2010-04-18
435868 Flash mouse input is partially blocked when in full screen (fullscreen) display state Firefox General nobody RESO INVA 2021-01-25
440298 USB mouse freeze while Firefox3 browsing Firefox General nobody RESO INVA 2008-06-19
444516 Back/Forward Button "recent pages" drop down does not display page titles on left-click (left-handed mouse settings) Firefox Bookmarks & History nobody RESO INVA 2009-01-16
462168 after upgrading to FF 3.0.3 "Mouse Gestures Redox" doesn't work Firefox General nobody RESO INVA 2008-11-03
463766 ASSERTION: Incorrect event type for coordinate translation [@ nsPluginInstanceOwner::DispatchMouseToPlugin] Core Layout nobody RESO INVA 2021-01-25
474085 Mouse clicks ignored Firefox General nobody RESO INVA 2009-11-01
477501 Bluetooth mouse stops working Firefox General nobody RESO INVA 2009-02-08
508788 graphic layer flying in moves only when mouse is moved Firefox General nobody RESO INVA 2009-08-16
509900 Mouse over a image on any website does not reveal any information about the image Firefox General nobody RESO INVA 2009-08-12
511188 Image drag-and-drop interferes with mouse events for svg application Core DOM: Copy & Paste an nobody RESO INVA 2013-04-12
542513 scrolling after pressing mouse wheel does not work anymore Firefox General nobody RESO INVA 2010-01-27
543446 Browser doesn't start with mouse gestures extensions Firefox Extension Compatibil nobody RESO INVA 2010-02-01
593653 Scrolling the mouse wheel over the tabs does not switch tabs Firefox Tabbed Browser nobody RESO INVA 2014-02-11
650453 When sellecting an item from the Google search drop-down list it will not take it by using a left mouse click. It will only work by using the down key and using the enter key. Firefox Extension Compatibil nobody RESO INVA 2011-06-07
654062 mouse pointer not working Firefox General nobody RESO INVA 2011-05-02
655802 Tab resizing doesn't happen if switching to other group before mouse leaves Firefox Tabbed Browser nobody RESO INVA 2021-08-22
666546 FX4 applies :focus to mouseclicks Core General nobody RESO INVA 2011-06-23
673093 mouseclick on div over swf results in losing mouse movement Firefox General nobody RESO INVA 2021-01-25
674487 During tab drag, after pressing alt+tab, window no longer receives all mouse events, sometimes resulting in stuck panel Firefox Tabbed Browser nobody RESO INVA 2012-08-30
685013 Clicking on link with middle mouse button does nothing Firefox General nobody RESO INVA 2011-09-06
724794 Mousewheel Event.detail FLUCTUATES between -10 and +10 in SAME SWIPE (on touchpad, Mac OS X 10.6) Firefox Untriaged nobody RESO INVA 2012-02-07
726912 Scrolling is extremely slow on ftp.mozilla.org/pub/addons/ if mouse pointer is in row. Core Layout nobody RESO INVA 2016-11-17
750245 Mouse lock pointer not working for quake demo Core DOM: Events nobody RESO INVA 2012-04-30
765452 Tabs Drag&Drop: mouse cursor blocked Firefox Untriaged nobody RESO INVA 2014-09-26
805093 Mouse Back Button Not Responding Firefox General nobody RESO INVA 2012-10-30
832749 Using mouse wheel causes computer to crash Firefox Untriaged nobody RESO INVA 2013-09-25
843612 Options of a dynamic created select are not reacting to mouse clicks (only MacOS) Core General nobody RESO INVA 2013-02-21
899602 Mouse's back, forward and zoom buttons stop working Firefox Untriaged nobody RESO INVA 2013-07-31
918395 Conditional statements on mousedown don't fire until mouseup Core DOM: UI Events & Foc nobody RESO INVA 2019-03-13
1073322 version 32.0.2 stops mouse and keyboard from working Firefox Untriaged nobody RESO INVA 2014-10-05
1073798 Mouse scroll wheel doesn't work on Google Calendar since Fx 32.0.2 Firefox General nobody RESO INVA 2014-10-01
1160418 B2G: MouseEvent.buttons returns 0 for taps while Fennec returns 1 Core DOM: Events nobody RESO INVA 2018-04-04
1160766 Scrollbars acting weird during scrollbar drag with mouse moving away from window Firefox General nobody RESO INVA 2015-07-31
1179323 hover with the mouse over an ipv6 link doesn't show real address in bottom line Firefox Untriaged nobody RESO INVA 2015-07-02
1312264 By using the "one site back" button a pop-up with the chronic is open like by right mouse button click and must close by using second left click Firefox Menus nobody RESO INVA 2016-10-24
1382241 Mouse wheel scroll no effect on Linux sometimes Core DOM: UI Events & Foc nobody RESO INVA 2019-03-13
1425094 Back/Forward mouse buttons don't work after clicking on a link in various Windows application with Logitech SetPoint Core DOM: Navigation nobody RESO INVA 2017-12-15
1483700 Mousewheel intermittently not scrolling Core Panning and Zooming nobody RESO INVA 2018-08-31
1501921 mouseenter/mouseleave are not fired on tap in Gecko Core DOM: Events nobody RESO INVA 2018-10-25
1536918 Investigate why mouse events over a sidebar don't appear to get normal APZ treatment Core Panning and Zooming nobody RESO INVA 2019-03-26
1540654 Firefox zooms out / navigates back when Ctrl / Alt are pressed with no mousewheel action Firefox Keyboard Navigation nobody RESO INVA 2019-04-01
1629077 scrolling with the middle mouse button stopped working Core Layout: Scrolling an nobody RESO INVA 2020-04-20
1636587 mouse and keyboard don't work properly on YouTube Core DOM: UI Events & Foc nobody RESO INVA 2020-05-10
1666294 `display:table` pseudo-element is a different size, as a grid item, in Firefox vs. Chrome (and absorbs mouse events in Firefox but does not in Chrome) Core Layout: Grid nobody RESO INVA 2020-09-23
1670493 Trackpad scrolling behaves like mouse wheel scrolling Firefox Untriaged nobody RESO INVA 2020-10-16
1691187 Mouse left button click does not move the cursor on "Edit bookmark" popup Core DOM: UI Events & Foc nobody RESO INVA 2021-09-03
1693349 Watching youtube video, cannot move video position and change volume with mouse Core DOM: Events nobody RESO INVA 2021-02-22
1694042 Mouse Wheel Scrolling Up Fails! Linux Mint 20.1 Firefox 85.0.1 Core Layout: Scrolling an nobody RESO INVA 2021-02-22
1788287 ubuntu 22.04+snap+xwayland: mouse move/hover tracking fails randomly Core Widget: Gtk nobody RESO INVA 2022-09-01
1811771 Drag mouse event in carousel caught by the browser's drag & drop image event (preventDefault on mousemove doesn't cancel dnd) Core DOM: Events nobody RESO INVA 2024-04-15
1813684 mouse click produces both `:focus-visible` and `:focus` when "Underline access keys when available" Windows preference turned on Core CSS Parsing and Comp nobody RESO INVA 2023-02-22
1818319 scroll stops working with x-mouse app Core DOM: UI Events & Foc nobody RESO INVA 2023-02-23
1818813 Mouse scroll using wheel no longer working in update version 110 Core Widget: Win32 nobody RESO INVA 2023-02-24
188698 using mouse wheel to scroll, at top and bottom of iframe, main window scrolls Core DOM: UI Events & Foc saari RESO INVA 2019-03-13
210655 mouse events fail to call a js function from inside FORM Core DOM: UI Events & Foc saari RESO INVA 2019-03-13
497949 Java Applet blocks use of mouse wheel Core Widget: Win32 VYV03354 RESO INVA 2017-08-02
13307 [BLOCK] mouseExit/dragExit events have target set incorrectly Core DOM: UI Events & Foc joki VERI INVA 2019-03-13
35377 MouseEvent object type incorrectly [object KeyEvent] Core DOM: Events joki VERI INVA 2002-02-20
12042 Mouse over/out not working in XML namespace Core XML nisheeth_mozilla VERI INVA 2000-05-12
11095 [Webshell] Need notifications in nsILinkHandler for middle mouse click Core Layout travis VERI INVA 2000-09-29
290012 I can not choose when I pull mouse over the gif picture. Firefox General aaronlev VERI INVA 2005-04-22
153663 Mouse wheel dont work, no scrolling Core DOM: Core & HTML alexsavulov VERI INVA 2019-03-13
175343 Intermittent problem with CTRL+click and middle mouse button Firefox General bugzilla VERI INVA 2003-05-27
221716 middle mouse button on links doesn't open new tab Firefox General bugzilla VERI INVA 2006-02-12
236015 mouse button click do not follow Mozilla standard Firefox General bugzilla VERI INVA 2004-04-24
75029 Cancelling mousedown event prevents text selection Core DOM: Events joki VERI INVA 2001-04-30
178431 onmouse* not handled in <area> Core DOM: UI Events & Foc joki VERI INVA 2019-03-13
560117 Firefox will reboot my computer upon exit with certain mouse action Firefox General nobody VERI INVA 2012-06-04
656857 Tab-focus changed to mouseDOWN, breaks functions and extentions [caused by Tab Mix Plus] Firefox Extension Compatibil nobody VERI INVA 2011-05-14
80901 Contents of DHTML layer overlaps onMouseOver Core DOM: Events joki CLOS INVA 2002-03-21
289 bugs found.