Nahh not that, its a regression in extract links
NoMethodError (undefined method `slice!' for nil:NilClass)
/var/www/discourse/app/models/topic_link.rb:129:in `block (2 levels) in extract_from'
/var/www/discourse/app/models/topic_link.rb:116:in `each'
/var/www/discourse/app/models/topic_link.rb:116:in `block in extract_from'
/var/www/discourse/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.6/lib/active_record/connection_adapters/abstract/database_statements.rb:211:in `transaction'
/var/www/discourse/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.6/lib/active_record/transactions.rb:220:in `transaction'
/var/www/discourse/app/models/topic_link.rb:106:in `extract_from'
/var/www/discourse/lib/post_creator.rb:385:in `extract_links'
I think @eviltrout fixed some bugs there recently … not sure.