Oracle Solaris 11.3 Support Repository Update (SRU) is a patch for Solaris 11.3. Monthly there is a big update + there are some minor minor fixes. The repository contains updated packages for x86-64 platforms.
SRU is a cumulative update, i.e. It is enough to install the latter.


Extras. Information: Composition:
ORACLE SOLARIS 11.3.14.6.0 IPS REPOSITORY:
- p26168120_1100_Solaris86-64_1of4.zip
- p26168120_1100_Solaris86-64_2of4.zip
- p26168120_1100_Solaris86-64_3of4.zip
- p26168120_1100_Solaris86-64_4of4.zip
ORACLE SOLARIS 11.3.12.4.0 IPS REPOSITORY INSTALLATION GUIDE (X86):
- p26168134_1100_Solaris86-64.zip
ORACLE SOLARIS 11.3.12.4.0 AUTOMATED INSTALLER BOOT IMAGE ISO (SPARC)
- p26168148_1100_SOLARIS64.zip
ORACLE SOLARIS 11.3.12.4.0 AUTOMATED INSTALLER BOOT IMAGE ISO (X86)
- p26168150_1100_Solaris86-64.zip
ORACLE SOLARIS 11.3.12.4.0 INTERACTIVE TEXT INSTALL ISO (SPARC):
- p26168153_1100_SOLARIS64.zip
ORACLE SOLARIS 11.3.12.6.0 INTERACTIVE TEXT INSTALL ISO (X86):
- p26168162_1100_Solaris86-64.zip

Issue Year: 2017
Version: 11.3.21.5.0
Developer: Oracle

https://support.oracle.com/epmos/faces/DocumentDisplay?_afrLoop=586758887687490&id=2045311.1&_afrWin

How to Update Your Local System
Perform the following steps to update your local system by using the SRU zip file.
1.Become an administrator.
For more information, see How to Use Your Assigned Administrative Rights in Securing Users and Processes in Oracle Solaris 11.3.
2.Run the install-repo.ksh script that is included in the IPS Repository Installation Guide patch to update your existing repository. $ install-repo.ksh [-c] [-v] -d full_path_to_existing_s11_3_repo
For example:
$ install-repo.ksh -c -v -d /export/support-repo
3.If the repository is managed by pkgserv, restart the appropriate service. $ svcadm restart svc:/application/pkg/server:your_repo_instance
4.If an existing repository is not set, add the repository to the system.
$ pkg set-publisher -g file:///full_path_to_existing_s11_3_repo solaris
5.Update the packages. $ pkg update
For more information about using the install-repo.ksh script, see the README-zipped-repo.txt file.