Web Developer Known Issues
Crossed out issues will be fixed in the next release of the extension.
Common Issues
- 'Disable Styles' does not work with imported style sheets
- 'Display CSS By Media Type' does not support @media rules
- 'Display Element Information' does not work with Flash objects
- 'Display Id & Class Details' overwrites the element names from an outline feature
- 'Display Line Guides' does not support frames
- 'Display Ruler' does not support frames
- 'Display Topographic Information' alters other extension features
- 'Edit CSS' does not support frames
- 'Edit CSS' does not work on certain sites with complicated CSS
- 'Edit CSS' does not work with background images that are linked relative to the CSS
- 'Hide Background Images' does not work with background images including !important
- 'Outline Custom Elements' does not work with fieldset elements
- 'Validate Section 508' does not work
- 'Validate WAI' does not work
- 'View Color Information' does not display colors in hover styles
- 'View Document Outline' does not support HTML5 outlines
- 'View Responsive Layouts' does not work with Iframe busting JavaScript
- Cookies on Cyrillic domains do not work
- Expanded abbreviations cannot be copied
Chrome Issues
Firefox Issues
- 'Add User Style Sheet' does not work correctly with 'Pin Features'
- 'Disable Images' does not work with local images
- 'Disable Individual Style Sheet' can truncate long style sheet URLs
- 'Disable Java' does not work in Firefox 3.6+
- 'Disable Minimum Font Size' does not work with non-Western languages
- 'Display Element Information' and 'Display Style Information' do not work with 'Pin Features'
- 'Display Page Magnifier' does not work in Firefox 3
- 'Display Page Magnifier' does not work with Flash objects
- 'Display Page Validation' can resubmit forms multiple times
- 'Display Page Validation' can return inconsistent results
- 'Display Style Information' can display null for style sheet URLs
- 'Edit CSS' and 'Edit HTML' do not have a context menu
- 'Edit CSS' and 'Edit HTML' reset when repositioning the dashboard
- 'Edit CSS' with syntax highlighting does not let you type after clicking in the page
- 'Edit HTML' does not allow the entire document to be edited
- 'Edit HTML' does not support frames
- 'Edit HTML' does not work correctly when submitting forms
- 'Edit HTML' saves altered HTML
- 'View Cookie Information' does not work correctly with Multifox
- 'View Document Size' does not include font file sizes
- 'View Document Size' does not show the compressed size of secure files
- Sites with many JavaScript errors and warnings can cause the browser to slow down