Table of Contents Table of Contents Title and Copyright Information Preface Audience Documentation Accessibility Related Resources Conventions 1 Purpose of These Release Notes 2 Issues Affecting All Platforms for Oracle Database 21c Features Not Available or Restricted in This Release of Oracle Database 21c Deprecated and Desupported Features for Oracle Database Other Readmes, Release Notes, or Installation Guides 3 Open Bugs Affecting All Platforms Oracle Database Enterprise Edition Known Bugs Bug 23569490 Bug 33090781 Oracle Database Vault Known Bugs Bug 33109335 Oracle Grid Infrastructure Known Bugs Bug 33156635 Oracle Sharding Known Bugs Bug 33156635 Oracle Universal Installer Known Bugs Bug 18336219 Bug 27080535 Bug 27120934 JavaScript Object Notation Known Bugs Bug 30896685 4 Issues Affecting Linux for Oracle Database 21c Unsupported Products for Linux Product Support Linking Applications with Oracle Client Libraries for Linux Preinstallation Requirements for the Linux Platform Open Bugs Affecting Linux Bug 33222396