1. VW4
2. Changelog for 4.0.22

New Features

• Custom Reason for Mass Replace [lite: no]

Behavior Changes

• Added upgrade safety checks for APC, APCu, eAccelerator, and XCache
  
• Reduced number of blocking deferred tasks
  
• Reduced dead-lock chance in image-proxy or new uploads [lite: no]
  
• Cache-buster for static wiki resources no longer shows version
  
• vw_defer.data stores data as JSON
  
• Faster catch-up on cleanup tasks for low-traffic forums

Bug Fixes

• Missing database indexes from various upgrades
  
• Wrong watch link for main discussion on discussion index
  
• Database error viewing feeds ordered by entry update time
  
• Nodes with contents but no text not included in sitemap [in: XF]
  
• Missing CSS in printable view [in: XF]
  
• Branding missing in admin panel [in: XF]
  
• Missing CSS for wiki integrations on non-wiki pages [in: XF] [lite: no]
  
• Some Javascript loads-on-demand when already loaded at request-time
  
• Fatal error for non-super moderators in moderation queue [in: XF]
  
• URLs as template arguments considered invalid by URL-based BB-Codes [in: XF]
  
• Javascript error causes custom TOC placements not to render
  
• Fatal error w/ vB4 Redirect Scripts add-on [in: XF] [lite: no]
  
• VaultWiki 3 import: database error saving first-post-to-page mappings [lite: no]
  
• No permission modify social group pages [in: vB] [lite: no]
  
• Fatal error deleting synonyms [lite: no]
  
• Upgrade script fails to regenerate missing BB-Codes [in: XF]
  
• Invalid link to reset failed deferred task
  
• Uncached template vw_content_listbit_simple in category listings [in: vB] [lite: no]
  
• Super moderators cannot view wiki content in moderation queue
  
• Super moderators not notified of new wiki content awaiting approval
  
• Moderation queue shows fewer entries per-page than selected [in: vB]