Bugzilla version 2.15

This is Bugzilla: the Mozilla bug system. For more information about what Bugzilla is and what it can do, see mozilla.org's bug pages.

Most Frequently Reported Bugs
 

What are "most frequent bugs"?

The Most Frequent Bugs page lists the known open bugs which are reported most frequently in recent builds of Mozilla. It is automatically generated from the Bugzilla database. This information is provided in order to assist in minimizing the amount of duplicate bugs entered into Bugzilla which in turn cuts down on development time.
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Bug #
Dupe
Count
Change in last
7 day(s)
Component
Severity
Op Sys
Target
Milestone
Summary
120155
113
15
XP Toolkit/Widgets
blocker
Windows 98
mozilla1.0
Browser window does not minimize (minimised window restores, won't stay minimised)
55583
100
1
Embedding: Docshell
major
All
Future
view-source should show original page source (use cached source)
22274
88
1
Layout
normal
All
---
[INLINE] Too much space (for descenders) under image elements
58339
71
7
Plug-ins
major
Linux
mozilla1.0.1
Flash plugin (presumably 5.0 r47 only) hangs mozilla, when it's trying to play audio, while audio device is active. (Reproducible with some [e.g. es1371] sound driver)
38488
58
1
Networking: HTTP
major
All
---
Proxy:junkbuster is broken - use http/1.0 to get arround this
82534
52
5
Editor: Core
major
All
mozilla1.0
Cannot type in URL bar or text boxes - no caret. (Keyboard locks up / no input)
96504
43
8
XP Apps: Drag and Drop
major
Linux
mozilla1.0
after dragging proxy icon onto bookmarks button, bookmarks menu refuses to close
20618
43
1
Browser-General
major
Windows 98
mozilla1.1alpha
Mousewheel doesn't work with some driver/OS combinations
90337
43
3
URL Bar
major
All
mozilla1.0
URL bar not responsive to the "Enter/Return" key.
100393
42
0
Installer: XPI Packages
blocker
Windows 98
mozilla1.0.1
JRE [java runtime] XPInstaller on netscape.com doesn't install plug-ins correctly
4302
40
2
Editor: Core
major
All
mozilla1.1alpha
PgUp/PgDn in editor don't move caret/cursor (platform differences)
103978
37
0
History: Session
major
All
mozilla0.9.6
back button does not take you back in cnn.com
41924
35
0
Layout
major
All
mozilla1.1alpha
Change how layout handles broken images (alt text)
50255
34
0
XP Toolkit/Widgets
major
Windows NT
Future
[FIX]some control key sequences don't generate the correct event
28586
33
1
Embedding: Docshell
enhancement
All
Future
[RFE] Should use error page, not dialog, for inaccessible pages (placeholder)
75283
31
0
DOM to Text Conversion
major
All
mozilla1.0
Pasted text from beginning of line always appends a newline
9449
30
2
Internationalization
normal
All
mozilla1.0
window titlebar does not render non-English [unicode] text properly
122765
29
0
XP Apps
normal
All
mozilla0.9.9
Mozilla loses focus and Z order due to Alert / other dialogs
79889
29
2
File Handling
normal
All
mozilla1.0.1
Download progress dialog too small
105619
29
0
Style System
critical
All
mozilla0.9.9
Javascript menus crash mozilla 0.9.5 & CVS [@ CopyChars1To2][@ FrameManager::ReResolveStyleContext] [@ nsAString::do_AssignFromReadable][@ nsAString::AssignFromReadable]
78510
28
1
History: Global
minor
other
mozilla1.2alpha
Link should become :visited color if URL is loaded in any other window
98546
28
1
Selection
major
All
mozilla1.0
Better word-break detection (double-clicking, Control+arrow keys, Control+Backspace/Delete)
135222
28
0
Installer
blocker
All
---
Browser doesn't load after updating to daily build (blank/grey window)
915
28
0
HTMLTables
normal
All
Future
column style resolution for text-align,vertical-align not yet implemented [CASCADE]
130079
27
3
Bookmarks
normal
All
mozilla1.0
Importing IE favorites turns spaces into %20 (URL-encoded)
43015
27
1
Composition
normal
All
mozilla1.2alpha
Only one file can be attached in Attach File dialog
76495
27
3
Layout
major
All
mozilla1.0.1
Can't interact with zombie pages any more [keyboard, links, scrollbars don't respond]
91662
27
3
Mail Window Front End
normal
other
mozilla1.2alpha
Long strings in mail header cause scroll bars and attachment window to disappear, making message unviewable.
33732
26
0
HTML Form Controls
normal
Windows NT
Future
[MW]Mousewheel scrolling scrolls listbox, not page
84121
26
0
XP Toolkit/Widgets: Menus
major
All
mozilla1.1alpha
Submenu of scrollable menu is positioned one menu row too low
116074
25
0
XP Apps
normal
Windows 98
mozilla0.9.9
Alert dialog causes window title and taskbar to keep blinking / flashing
25537
25
1
Layout
minor
All
---
alt tags are not displayed as tooltips
103452
25
1
Tabbed Browser
critical
All
mozilla1.0
javascript window.close should close tab, not complete browser window
5693
24
1
Event Handling
normal
All
mozilla1.0
[ESM/CSS] :hover should be hierarchical
18266
24
2
Mail Back End
normal
All
mozilla1.2alpha
Query IMAP folders other than INBOX for new msgs
21296
23
1
XP Toolkit/Widgets: Menus
major
All
mozilla1.0.1
Can't use Mac menu bar when a modal dialog is up
16766
23
0
XP Toolkit/Widgets: Menus
normal
Linux
mozilla0.8
xpPopups and context menus can't be used with a single drag
61497
23
1
Mail Window Front End
normal
All
Future
can't select text in message headers
80292
23
0
ImageLib
normal
All
mozilla1.0
Black hash marks in the personal toolbar for modern
39057
22
1
User Interface Design
normal
All
---
File > Quit can be chosen by users intending to use File > Close
54936
21
0
XP Toolkit/Widgets
normal
Windows 2000
mozilla0.9
Dismissing a dialog confuses focus
61103
21
0
Plug-ins
normal
Linux
mozilla1.0.1
Stop default plugin from launching on page load on linux (mac?)
12493
21
0
Style System
major
All
Future
layout does not canonicalize URIs for global history lookup (color of visited links) ( :visited :link )
73712
21
1
Themes
normal
All
---
Need Win32 and Linux/GTK icon files for each window
79411
20
2
Bookmarks
minor
All
Future
New bookmark folders show "(Empty)" item until mozilla restarted
115940
20
0
Skinability
normal
All
Future
some chrome doesn't dynamically change with a theme switch
55690
20
0
File Handling
major
All
mozilla1.0
Spool file should be moved once the user picks a filename (saving a file creates a file before location is chosen)
11459
20
1
Composition
normal
All
Future
need option for mailto: to launch external mail app or open a webmail url
105547
20
4
Tabbed Browser
normal
All
mozilla1.0.1
Windows open in new window instead of tabs (target=<nonexistant_frame>)
121660
20
1
Mail Window Front End
critical
All
mozilla1.2alpha
Folder or newsgroup name left Bold after mark all read.
35952
20
0
Event Handling
major
All
mozilla1.0
[regression] spacebar scrolls page while typing in text field
65823
20
0
Mail Window Front End
normal
All
mozilla1.2alpha
[RFE] IMAP: After deleting a message, seletion should move to next NON-deleted message
84162
19
0
Browser-General
normal
Linux
mozilla0.9.2
image blocking should use nsIContentPolicy
43350
19
0
Skinability
critical
All
mozilla1.0
[embed]Composer / Mail Compose window contents are nuked when switching themes (skin switching)
11033
19
1
Filters
enhancement
All
mozilla1.2alpha
Filter after the fact (run filters on mail you've already received - apply filters on the fly)
84492
19
1
Build Config
normal
Linux
mozilla1.0
Linux net installer exceeds 100% when downloading talkback component
22251
19
0
US General
normal
All
---
chin.buffnet.net - Relative URLs with scheme (e.g., http:page.html) not loading - treated as absolute
101955
19
0
Tabbed Browser
normal
All
mozilla1.2alpha
Middle-click -> Open in new tab/window fails for Mail/News URLs
32191
19
0
Layout
normal
All
mozilla0.9.4
[FIXED IN 0.9.2] incorrect line break before and after img tag
66034
19
0
GFX Compositor
normal
Windows 98
mozilla0.9.9
Content in Mozilla disappears seemingly at random [open link in new window breaks at times]
84128
19
1
User Interface Design
normal
All
---
Need user-visible message when CheckLoadURI fails (eg, for links to file: urls)
13350
18
0
DOM Level 0
major
All
mozilla1.0
DOM needs to police JS infinite loops, schedule garbage collection
32966
18
2
Networking
normal
All
---
http:/ (one slash) treated as http:// rather than /
62384
18
3
HTML Form Controls
normal
All
Future
[MF][CBX] Text Zoom doesn't change dropdown height (without reload)
83750
18
2
Printing
normal
All
mozilla1.1alpha
Print settings aren't saved
42184
18
0
XPCOM
normal
All
---
Mozilla-bin must not write to bin dir during installation
56765
18
0
Bookmarks
enhancement
All
---
[RFE] IE Favorites need to emulate 'real' bookmarks
41057
18
0
XPCOM
minor
All
Future
Release notes should better describe multi-user installation process
121583
18
4
Layout
major
All
mozilla1.0
Some windows (Mail, Venkman) freak out with 100% CPU on window resize (when no height on an element)
133265
18
0
Bookmarks
normal
All
---
personal toolbar folders, bookmark / all? submenus don't show menu highlight
97619
18
0
Layout
major
All
mozilla0.9.5
[FIX]Table layout with images broken
28583
18
0
XP Toolkit/Widgets
normal
All
mozilla1.0
Focusing text widget (except on click) should select widget contents
57882
18
0
Layout
normal
All
mozilla1.1alpha
List markers render inside adjacent float edge
98262
17
0
Networking: HTTP
trivial
All
mozilla0.9.5
pages show up blank - avoid sending blank Accept-Charset header
59638
17
2
Mail Window Front End
minor
All
mozilla1.2alpha
reading news/mail across newsgroups/folders does not load next unread message
22607
17
2
ImageLib
normal
All
mozilla1.0.1
GIF decoder doesn't support all frame replacement options
22056
17
0
Preferences
enhancement
All
---
Show toolbars as text/icons/both
66834
16
0
XP Toolkit/Widgets: Menus
normal
All
mozilla1.1beta
autocomplete widget should not block clicks outside of itself
20847
16
0
XP Toolkit/Widgets: XUL
minor
All
mozilla0.8
Windows need to persist maximized state and not use (x,y,width,height) when maximized
55055
16
0
History: Session
normal
All
mozilla0.9
Go Back broken for form post results
30221
16
0
XP Apps
normal
All
---
Tab order problem in basic auth username & password box
81273
16
0
Networking
major
All
mozilla0.9.1
URL with unavailable server -> crash (from browser or mail)[@ JS_GetPrivate]
30431
16
0
XP Toolkit/Widgets
enhancement
All
---
Intellimouse Explorer Backwards and Forwards button support.
41656
16
0
HTMLFrames
normal
All
mozilla1.1alpha
(table/iframe) % height NOT ignored in block with no height specified
76816
16
0
Parser
major
All
mozilla1.0.1
View Source tries to DL Bugzilla buglist as multipart/x-mixed-replace
32571
16
1
Security: General
normal
All
mozilla1.0
close() can close windows it doesn't own
105722
16
1
Tabbed Browser
enhancement
All
mozilla1.2alpha
Closing tabs should return to 'parent' tab.
58704
16
2
Selection
major
All
mozilla1.0
cannot select anything smaller than lines in justified text
78943
16
0
Networking
major
All
mozilla0.9.7
MIME type reported incorrectly for certain file extensions
65521
16
0
XP Toolkit/Widgets
major
Linux
---
[linux] modal dialogs should only freeze parent window (not all windows)
56141
16
2
XP Toolkit/Widgets
normal
All
mozilla0.9.1
Arrow keys toggle between radiobuttons in group when textfield has focus
50511
16
0
Event Handling
minor
All
Future
scrolling/app switching under mouse should cause mousemove
72313
16
0
XP Toolkit/Widgets
critical
Linux
---
focus-related regressions in GTK port
22775
16
0
XP Apps
enhancement
All
mozilla1.0.1
[RFE] "AutoScroll"/Panning support [eg, Mousewheel Click/Drag triggered]
84093
16
0
OJI
normal
Linux
Future
hangs on java, RedHat 7.1
63798
15
0
File Handling
normal
All
---
login errors bring up save-as dialog
16241
15
0
Mail Back End
normal
All
mozilla1.0
Implement MDN Return Receipts
127322
15
0
XP Toolkit/Widgets: XUL
critical
All
---
compose window does not load (prompts for download) [XUL cache??]
77460
15
0
Search
critical
All
mozilla0.9.9
buglists hang mozilla for long periods of time using all available CPU
49274
15
0
HTMLTables
normal
Windows 98
---
"text-align:center;" doesn't center table


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