Change Log

• Support different themes by caching preview data, not the preview itself.
  
• Bug fix: disabling previewers had no effect.
  
• Bug fix: set preview to empty on unresolved previewer.
  
• Bug fix: previewers weren't being auto-enabled on install/upgrade.
  
• Bug fix: add the missing "Disable link previews" checkbox to new thread / reply pages.
  
• Bug fix: only show the "Regenerate preview" links at the bottom of posts for links for which a preview is valid.
  
• Bug fix: add a missing hook for post merges.
  
• Bug fix: remove extraneous `';' from "new thread" output (thanks to srjrol for the bug report).
  
• Improve handling on curl error.
  
• Document the possibility of debugging via the supplied lkt-curl-functionality-checker.php script.
  

N.B. Your inc/plugins/linktools/link-helpers-dist and inc/plugins/linktools/link-helpers-3rd-party directories, if any, can safely be removed. They have been superseded, respectively, by the inc/plugins/linktools/link-previewers-dist and inc/plugins/linktools/link-previewers-3rd-party directories.

N.B.2. You should rebuild link previews by running the Recount & Rebuild task "Rebuild Link Previews for Link Tools" given that preview data rather than previews are now cached (see the first entry in the list above).