The {'foo': 'bar'} syntax represents a Hash with index :foo. Calls to merge that Hash with {'foo' => 'bar'} result in a Hash with two distinct elements instead of the original value being overridden. This manifested itself in put_object as the content_type option being ignored. There was also a duplicate Authorization header sent.
The
{'foo': 'bar'}syntax represents a Hash with index:foo. Calls to merge that Hash with{'foo' => 'bar'}result in a Hash with two distinct elements instead of the original value being overridden. This manifested itself input_objectas thecontent_typeoption being ignored. There was also a duplicateAuthorizationheader sent.More details: