Ubuntu 25.04 Plucky Puffin released!

Project Discussion Ubuntu on AWS
1

Ubuntu 25.04 Plucky Puffin was released today and is available on AWS, ready to launch!

“This release continues Ubuntu’s proud tradition of integrating the latest and greatest open-source technologies into a high-quality, easy-to-use Linux distribution”.

As an interim release, this is the perfect time to test new features in your application or get the benefits of the latest open source software versions, with support for 9 months since the release date.

What’s new

This release comes with Linux Kernel 6.14, included out of the box, bringing several performance enhancements:

  • New scheduling system: sched_ext for improved responsiveness and workload distribution.
  • Enhanced Wine/Proton support via the new NTSYNC driver.
  • Better container tooling with decoupled bpftools and linux-perf for greater flexibility.

Toolchain updates include:

  • GCC: Snapshot of the upcoming GCC 15
  • Binutils: Updated to 2.44
  • glibc: Now at 2.41
  • Python: Upgraded to 3.13.3
  • LLVM: Defaults to version 20
  • Rust: Defaults to version 1.84
  • Golang: Updated to 1.24
  • OpenJDK: Now includes version 24 GA and an early access snapshot of version 25

Identity management and networking improvements:

  • Better Active Directory (AD) integration
  • Support for cloud authentication using Microsoft Entra ID and Google Identity
  • Improved time synchronization with secure NTS (Network Time Security)
  • Smarter networking with DNS-aware wait-online logic in Netplan

includes important configuration changes to strengthen baseline security. We encourage you to test your applications and report any access denials for common use cases via Launchpad.

You can see the full release notes for a more detailed list of changes.

How to get it

Using AWS CLI:

aws ec2 describe-images --output json --region us-east-1 --filters "Name=name,Values=ubuntu/images/hvm-ssd*/ubuntu-plucky*amd*" --query 'sort_by(Images, &CreationDate)[-1].{Name: Name, ImageId: ImageId, CreationDate: CreationDate, Owner: OwnerId}'

You should get something like this:

{
"Name": "ubuntu/images/hvm-ssd-gp3/ubuntu-plucky-25.04-amd64-server-20250415",
"ImageId": "ami-02183c955d69e6bb5",
"CreationDate": "2025-04-15T07:51:02.000Z",
"Owner": "099720109477"
}

From the AWS Marketplace:

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