Version 13.9.4.2.5 was released to support the latest quarterly Release Updates (RU). It includes: Enhanced conflict detection for complex patch bundles. Improved support for Oracle Home inventory management. Bug fixes for OUI (Oracle Universal Installer) integration. Support for the latest Java security requirements. How to Download OPatch 13.9.4.2.5
Upgrading to 13.9.4.2.5 (or higher) is often a for applying modern Patch Set Updates (PSU) . Newer versions of OPatch: Fix security vulnerabilities in the patching tool itself. Support newer Java versions (JDK 8+). opatch version 13.9.4.2.5 download