Ruby-oci8 2.1.7 is released. This is the Oracle module using OCI8 API.

  http://rubyforge.org/projects/ruby-oci8/

It is recommended to upgrade to 2.1.7 if you use ruby-oci8 2.1.6 with
oracle_enhanced adapter 1.5.2.

New Features
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### Add OCI8::Metadata::Base#obj_link.

Fixed Issues
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-   Fix OCI8#describe_table to follow synonyms in a remote database.