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  • Title and Copyright Information
  • Preface
    • Documentation Accessibility
    • Related Information
    • Conventions
  • Introduction
    • Latest Release Information
    • Purpose of this Document
    • Certification Information
    • Product Documentation
    • Oracle Support
    • Licensing Information
  • Critical Security Updates
    • Critical Security Updates 21c (21.22.0.0.2) - June 2026
    • Critical Security Updates 21c (21.22.0.0.1) - May 2026
  • What’s New in this Release
    • Patch Installation
    • New Features
      • Release 21c (21.14) - April 2024
      • Release 21c (21.12) - November 2023
      • Release 21c (21.10.0.0.0) - April 2023
      • Release 21c (21.4.0.0.0) - October 2021
      • Release 21c (21.3.0) - August 2021
      • Release 21c (21.1.0): Initial Release May 2021
  • Enhancements
    • Release 21c (21.23) - July 2026
    • Release 21c (21.21) - January 2026
    • Release 21c (21.20) - November 2025
    • Release 21c (21.18) - April 2025
  • Default Behavior Changes
    • Release 21c (21.19.0.0.0) - July 2025
    • Release 21c (21.15.0.0.0) - October 2024
    • Release 21c (21.15.0.0.0) - July 2024
    • Release 21c (21.14.0.0.0) - April 2024
    • Release 21c (21.10.0.0.0) - April 2023
    • Release 21c (21.4.0.0.0) - October 2021
    • Release 21c (21.3.0) - August 2021
    • Release 21c (21.1.0) - Initial Release May 2021
  • Deprecated and Desupported Features and Parameters
    • Release 21c (21.24) - October 2026
    • Release 21c (21.22.0.0.0) - July 2026
    • Release 21c (21.14.0.0.0) - May 2024
    • Release 21c (21.12.0.0.0) - December 2023
    • Release 21c (21.4.0.0.0) - October 2021
    • Release 21c (21.3.0) - August 2021
    • Release 21c (21.1.0) - Initial Release May 2021
  • Known Issues and Workarounds
    • Release 21c (21.21.0.0.1) - April 2026
    • Release 21c (21.20) - December 2025
    • Release 21c (21.19) - July 2025
    • Release 21c (21.17) - February 2025
    • Release 21c (21.16.0.0.0) - October 2024
    • Release 21c (21.13.0.0.0) - January 2024
    • Release 21c (21.10.0.0.1) - May 2023
    • Release 21c (21.10.0.0.0) - April 2023
    • Release 21c (21.7.0) - August 2022
    • Release 21c (21.7.0) - July 2022
    • Release 21c (21.5.0.0.2) - February 2022
    • Release 21c (21.4.0.0.0) - October 2021
    • Release 21c (21.3.0) — October 2021
    • Release 21c (21.3.0) — August 2021
    • Release 21c (21.1.0) — Initial Release May 2021
  • Bugs Fixed
    • Release 21c (21.24.0) - October 2026
    • Release 21c (21.23.0.0.1) - August 2026
    • Release 21c (21.23.0.0.0) - July 2026
    • Release 21c (21.22.0.0.3) - July 2026
    • Release 21c (21.22.0.0.0) - April 2026
    • Release 21c (21.21.0.0.1) - March 2026
    • Release 21c (21.21.0.0.0) - January 2026
    • Release 21c (21.20.0.0.0) - October 2025
    • Release 21c (21.19.0.0.0) - July 2025
    • Release 21c (21.18.0.0.2) - June 2025
    • Release 21c (21.18.0.0.1) - April 2025
    • Release 21c (21.18) - April 2025
    • Release 21c (21.17.0.0.1) - February 2025
    • Release 21c (21.17) - January 2025
    • Release 21c (21.16.0.0.2) - November 2024
    • Release 21c (21.16.0.0.0) - October 2024
    • Release 21c (21.15.0.0.5) - November 2024
    • Release 21c (21.15.0.0.4) - November 2024
    • Release 21c (21.15.0.0.2) - August 2024
    • Release 21c (21.15.0.0.1) - July 2024
    • Release 21c (21.15) - July 2024
    • Release 21c (21.14.0.0.1) - May 2024
    • Release 21c (21.14.0.0.0) - April 2024
    • Release 21c (21.13.0.0.3) - March 2024
    • Release 21c (21.13.0.0.1) - February 2024
    • Release 21c (21.13.0.0.0) - January 2024
    • Release 21c (21.12.0.0.4) - November 2023
    • Release 21c (21.12.0.0.3) - November 2023
    • Release 21c (21.12.0.0.2) - November 2023
    • Release 21c (21.12.0.0.1) - October 2023
    • Release 21c (21.12.0.0.0) - October 2023
    • Release 21c (21.11.0.0.3) - August 2023
    • Release 21c (21.11.0.0.1) - July 2023
    • Release 21c (21.11.0.0.0) - July 2023
    • Release 21c (21.10.0.0.3) - May 2023
    • Release 21c (21.10.0.0.1) - May 2023
    • Release 21c (21.10.0.0.0) - April 2023
    • Release 21c (21.9.0.0.3) - March 2023
    • Release 21c (21.9.0.0.2) - February 2023
    • Release 21c (21.9.0.0.1) - January 2023
    • Release 21c (21.9.0.0.0) - January 2023
    • Release 21c (21.8.0.0.3) - November 2022
    • Release 21c (21.8.0.0.2) - November 2022
    • Release 21c (21.8.0.0.1) - October 2022
    • Release 21c (21.8.0.0.0) - October 2022
    • Release 21c (21.7.0) - August 2022
    • Release 21c (21.7.0) - July 2022
    • Release 21c (21.6.0) - July 2022
    • Release 21c (21.6.0) - June 2022
    • Release 21c (21.6.0) - April 2022
    • Release 21c (21.5.0) - March 2022
    • Release 21c (21.5.0) - February 2022
    • Release 21c (21.5.0) - January 2022
    • Release 21c (21.4.0.0.0) - October 2021
    • Release 21c (21.3.0.1) - October 2021
    • Release 21c (21.3.0) - August 2021
    • Release 21c (21.1.0) - Initial Release May 2021
    • Release 21c (21.18.0.0.1) - April 2025
  • What’s New in this Release for Oracle GoldenGate for Marketplace
    • What’s New in this Oracle GoldenGate on Marketplace Release
      • Release 21c (21.19) - July 2025
      • Release 21c (21.17.0.0.1) - February 2025
      • Oracle GoldenGate on Marketplace New Features: September 2024
      • Oracle GoldenGate on Marketplace New Features: August 2022
      • Oracle GoldenGate on Marketplace New Features: May 2021
    • Bugs Fixed and Enhancements for Marketplace
      • Release 21c (21.7.0) - September 2022