PR #9860 introduced the WAGTAILIMAGES_EXTENSIONS setting, which
conflicts with the use of
WAGTAILIMAGES_ALLOW_SVG. WAGTAILIMAGES_EXTENSIONS can be used to
opt-in for SVG use instead.
- Allow users to override the default attributes given to an image
- Update tests to account for new tags
- Add documentation for custom image attributes
- Recommend that loading=lazy & decoding=async be considered for performance in front-end sites
Relates to #8383
* Convert the image tag topic to Markdown
* Convert the permissions usage to Markdown
* Convert the topic of snippets to Markdown
* Convert the streamfield topic to markdown
* Convert the writing templates doc to Markdown