Support vB4 style inline attachment settings such as alt-text, link, size and alignment
Convert vBulletin video BB code to our media equivalent where possible
Ensure soft-deleted blogs from vBulletin are imported as such
If an imported vBulletin notice has no message, set a default value to prevent an error
Add support for vB5 style JSON IMG/ATTACH tags
When importing RSS feed definitions from VB make sure the display tokens are replaced to display the feed content properly
Bail out of rewriting messages with updated ATTACH BB code in vB5 if $message would be empty
When importing from vB5, ensure quotes are rewritten in the correct format