Amazon Linux 2023 version 2022.0.20220728 release notes
Note
These release notes are for a version of the Tech Preview of Amazon Linux 2023. This is an old Tech Preview and should no longer be used.
The Generally Available Amazon Linux 2023 is the successor to the Amazon Linux 2022 Tech Preview releases. For information about AL2023 and keeping up to date with Amazon Linux releases, see the Amazon Linux 2023 User Guide.
Amazon Linux 2022 was updated in preview July 28, 2022.
Major updates
Amazon Linux 2022 includes the following updates.
- 
        
There have been some changes to the build flags that will propagate throughout the packages over the next few months.
 - 
        
In this release, SELinux was switched from an enforcing to a permissive mode by default. You can change SELinux settings to enforced mode via command line by executing the
setenforcecommand or by running this command on launch fromcloud-inituserdata. 
Java Ecosystem
- 
        
The
maven,xmvn, andjavapackages-toolsshould function as expected, but the versions present in this release have not yet been rebuilt after a bootstrap phase. These packages will be re-built without the use ofjavapackages-bootstrapbefore General Availability. 
Known Issues
- 
        
When launching the 2022.0.20220728 AMIs on certain instance types (using Xen hypervisors), the instance may see a delay during the instance launch and reboot before SSH is available. We are researching the cause of the issue, and it will be fixed in a future release.
 
Major changes since the first Tech Preview
- 
        
Kernel updated from 5.10 to 5.15
 - 
        
OpenSSL updated from 1.1 to 3.0
 - 
        
Amazon CLI updated to Amazon CLI v2
 - 
        
Amazon Tools found in AL2 have been added to the repositories like
ecs-agent,aws-cfn-bootstrap,aws-kinesis-agent,ec2-instance-connect, and other tools. - 
        
Curation of packages - As part of the development cycle, we have curated the list of packages available in the repositories. This involved removing a number of packages that were no longer needed due to dependencies. Some package may be re-added to the repository as we work through customer requests.
 - 
        
Language run-times were updated and some runtimes like Ruby were name-spaced allowing newer versions to be added in the future without removing the current ones from the repositories.
 
AMIs
Container image
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Default AMI
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Minimal AMI
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