On upgrading to rails 4.1.0.beta1, I get:
DEPRECATION WARNING: String based terminators are deprecated, please use a lambda.
for each use of has_attached_file
I'm seeing this as well.
I've submitted a pull-request for this.
Further discussion of this should go in @jonahbron's PR, which he linked. Thanks for reporting this.
Modify paperclip version from 4.2.0 to 3.5.4
It makes a warning message.
DEPRECATION WARNING: String based terminators are deprecated, please use
a lambda. (called from <class:Item> at